Reference desk · Provenance

Image credits

Resonant documents equipment that was actually built and actually used, so every picture is of something that really existed. No photograph on this site is generated: every image of a system, a stage, or a person is a real archival photograph, credited below to its author with its licence and a link to the original file.

Drawings, schematics, and layouts follow the same rule — they are the working documents engineers actually made. Where an explanatory diagram has to be drawn fresh for this archive rather than found, it is labelled as a diagram and is never presented as a photograph of a historical event.

No invented photographs

AI is never used to depict a loudspeaker, a venue, a person, or a historical event. If a real image cannot be sourced and credited, the archive uses a labelled diagram or a typographic treatment instead.

Author, licence, source

Each image carries its creator and licence where it appears, and links back to the file it came from, so any claim on these pages can be traced to its evidence.

Photographs

Archival photographs

Theater horn loudspeaker, early 20th century
A woman standing beside a large folded horn loudspeaker in an early twentieth-century photograph
Author: Author unknown·Licence: Public domain·Type: photograph
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Amplified campaign address, Magnavox equipment, 1920
A speaker at a flag-draped outdoor podium using an early microphone beside a Magnavox horn loudspeaker
Author: Anonymous·Licence: Public domain·Type: photograph
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Duplex coaxial loudspeaker
Two vintage coaxial loudspeakers, one facing forward and one showing its magnet and basket
Author: Author unknown·Licence: CC0·Type: photograph
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Sound towers above the festival crowd, 1969
Festival crowds on a hillside facing a stage and tall loudspeaker towers, 1969
Author: James M. Shelley·Licence: CC BY-SA 4.0·Type: photograph
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Flown line-array cluster on truss
A flown line-array loudspeaker cluster suspended from overhead truss in stage lighting and haze
Author: Ville Hyvönen·Licence: CC BY-SA 2.0·Type: photograph
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Digital live-sound console at front of house
A digital live-sound mixing console with faders, meters and hand-written channel tape
Author: beeki·Licence: CC0·Type: photograph
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Arena line arrays and audience after the final song
An arena at the end of a concert: two flown curved line-array hangs either side of the stage, overhead lighting rigging, and a full audience below
Author: 深鸣·Licence: CC BY-SA 4.0·Type: photograph
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Loudspeaker wall on a festival riser
A large loudspeaker and subwoofer wall built on a riser on a lawn
Author: Kurt Snieckus·Licence: CC BY-SA 2.0·Type: photograph
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Bill Hanley at a 2024 screening of his biography
An elderly sound engineer seated on a stage speaking into a handheld microphone with wedges in front
Author: Not on display (Wikimedia Commons contributor)·Licence: CC0·Type: photograph
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EAW KF850 cabinets with SB1000 subwoofers at a live event
EAW KF850 cabinets with SB1000 subwoofers at a live event
Author: Kurt Snieckus·Licence: CC BY-SA 2.0·Type: photograph
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Restored RCA 44-BX ribbon microphone
Restored RCA 44-BX ribbon microphone
Author: Roadside Guitars·Licence: CC BY-SA 2.0·Type: photograph
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Shure SM57 Unidyne III microphone, circa 1984
Shure SM57 Unidyne III microphone, circa 1984
Author: Jud McCranie·Licence: CC BY-SA 4.0·Type: photograph
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DiGiCo SD7T theatre variant at Miss Saigon, February 2016
DiGiCo SD7T theatre variant at Miss Saigon, February 2016
Author: 97OllieB·Licence: CC BY-SA 4.0·Type: photograph
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DiGiCo SD7 digital console, July 2010
DiGiCo SD7 digital console, July 2010
Author: Duncan Underwood·Licence: CC BY 2.0·Type: photograph
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Shure 55S Unidyne at the Vintage Radio & Communications Museum
Shure 55S Unidyne at the Vintage Radio & Communications Museum
Author: Ethan Long·Licence: CC BY-SA 2.0·Type: photograph
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Shure Unisphere 565 displayed at the Woodstock site museum
Shure Unisphere 565 displayed at the Woodstock site museum
Author: Jud McCranie·Licence: CC BY-SA 4.0·Type: photograph
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Shure SM58 cartridge with grille removed
Shure SM58 cartridge with grille removed
Author: Monoklon·Licence: CC BY 4.0·Type: photograph
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Micro Shure SM58
Micro Shure SM58.jpg
Author: Nicolas Esposito from France·Licence: CC BY 2.0·Type: photograph
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Microphone (Shure SM58) (4900485245)
Microphone (Shure SM58) (4900485245).jpg
Author: Marcel Grieder from Switzerland·Licence: CC BY 2.0·Type: photograph
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Portrait of a Shure SM58 Microphone (9632508732)
Portrait of a Shure SM58 Microphone (9632508732).jpg
Author: Christopher Sessums from Portland, US·Licence: CC BY-SA 2.0·Type: photograph
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Shure SM58 Microphone (47651498671)
Shure SM58 Microphone (47651498671).jpg
Author: bradjavernick·Licence: CC BY 2.0·Type: photograph
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Shure SM58 microphone
Shure SM58 microphone with spherical grille
Author: Iain Fergusson; derivative by Binksternet·Licence: CC BY 2.5·Type: photograph
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Lansing Iconic multicell horn speaker 1937
Lansing Iconic multicell horn speaker 1937
Author: Lansing Manufacturing Co. (1937)·Licence: Public domain·Type: photograph
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Shure Vocal Master PA speaker column
Shure Vocal Master PA column speaker
Author: Daniel Christensen·Licence: CC BY-SA 3.0·Type: photograph
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First Audion amplifier 1914
First Audion amplifier 1914
Author: Lee De Forest·Licence: Public domain·Type: photograph
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Reis Phone
Reis Phone
Author: Science Museum Group·Licence: CC BY-SA 4.0·Type: photograph
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Poulsen's first arc converter
Poulsen's first arc converter
Author: Valdemar Poulsen·Licence: Public domain·Type: photograph
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Fleming valve
Fleming valve
Author: Gerald F. J. Tyne·Licence: Public domain·Type: photograph
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LRS Valve
LRS Valve
Author: Drahtlos·Licence: CC BY-SA 4.0·Type: photograph
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Audion tube
Audion tube
Author: Paul Thompson·Licence: Public domain·Type: photograph
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De Forest Audion
De Forest Audion
Author: John Ambrose Fleming·Licence: Public domain·Type: photograph
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Marconi magnetic detector
Marconi magnetic detector
Author: Archie Frederick Collins·Licence: Public domain·Type: photograph
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Marconi Reisz microphone
Marconi Reisz microphone
Author: Jan Kameníček·Licence: CC BY-SA 4.0·Type: photograph
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WEM PA columns and amplifier
WEM PA columns and amplifier
Author: 21st CENTURY GREENSTUFF·Licence: CC BY 3.0·Type: photograph
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Sennheiser MD 421 ks01
Sennheiser MD 421 ks01
Author: Kreuzschnabel·Licence: CC BY-SA 3.0·Type: photograph
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Sennheiser md421
Sennheiser md421
Author: PJ·Licence: CC BY-SA 3.0·Type: photograph
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Gates Sta-Level levelling amplifier in a rack
Gates Sta-Level levelling amplifier in a rack
Author: eyeliam·Licence: CC BY 4.0·Type: photograph
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Crown DC300A power amplifier, three views
Crown DC300A power amplifier, three views
Author: Binksternet·Licence: CC BY-SA 3.0·Type: photograph
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Dynamk3roger
Dynamk3roger
Author: Travpeter·Licence: Public domain·Type: photograph
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1970 Marshall JMP 1968 Super P.A. 100W - Phase splitter and power supply stage (1999-06-10 13.17.38 by germanium)
1970 Marshall JMP 1968 Super P.A. 100W - Phase splitter and power supply stage (1999-06-10 13.17.38 by germanium)
Author: germanium from Eichwalde, Germany·Licence: CC BY 2.0·Type: photograph
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Shure 55S Unidyne (later production of the Model 55 line)
Shure 55S Unidyne (later production of the Model 55 line)
Author: Holger.Ellgaard·Licence: CC BY-SA 3.0·Type: photograph
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Liquid transmitter. 10th of March, 1876. Replica
Liquid transmitter. 10th of March, 1876. Replica
Author: CodeName47km·Licence: CC BY-SA 4.0·Type: photograph
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Bell liquid telephone transmitter 1876
Bell liquid telephone transmitter 1876
Author: Floyd L. Darrow·Licence: Public domain·Type: photograph
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Western Electric Bullnose Candlestick Telephone (53993129386)
Western Electric Bullnose Candlestick Telephone (53993129386)
Author: Ethan Long·Licence: CC BY-SA 2.0·Type: photograph
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EMG Mark Xb handmade gramophone, c 1934. (9660572765)
EMG Mark Xb handmade gramophone, c 1934. (9660572765)
Author: Science Museum London / Science and Society Picture Library·Licence: CC BY-SA 2.0·Type: photograph
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Schaffer-Vega Diversity System Unit
Schaffer-Vega Diversity System Unit
Author: SoloDallas·Licence: CC BY-SA 3.0·Type: photograph
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L-Acoustics dV-DOSC line array
L-Acoustics dV-DOSC line array
Author: JPRoche·Licence: CC BY-SA 3.0·Type: photograph
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Yamaha PM1D V2 digital mixing console
Yamaha PM1D V2 digital mixing console
Author: Yamaha Corporation (via Wikimedia Commons)·Licence: GFDL·Type: photograph
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PM5D
PM5D
Author: Lokoz·Licence: CC BY 2.0·Type: photograph
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YAMAHA PM5D, Expomusic 2010
YAMAHA PM5D, Expomusic 2010
Author: Tiago Cassol Schvarstzhaupt·Licence: CC BY 2.0·Type: photograph
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PM5D FOH world. Delta rehearsal @ Trackdown
PM5D FOH world. Delta rehearsal @ Trackdown
Author: Duncan Underwood·Licence: CC BY 2.0·Type: photograph
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Dolby Lake Processor in a touring rack
Dolby Lake Processor in a touring rack
Author: Tiago Cassol Schvarstzhaupt·Licence: CC BY 2.0·Type: photograph
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Lake Contour loudspeaker management units, and their touchscreen GUI
Lake Contour loudspeaker management units, and their touchscreen GUI
Author: Binksternet·Licence: CC BY-SA 3.0·Type: photograph
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Lake Contours and touchscreen laptop interface
Lake Contours and touchscreen laptop interface
Author: Binksternet·Licence: CC BY-SA 3.0·Type: photograph
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Fostex NetCIRA EtherSound interfaces
Fostex NetCIRA EtherSound interfaces
Author: CLI·Licence: GFDL·Type: photograph
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Greg Price S6L
Greg Price S6L
Author: Basshag·Licence: CC BY-SA 4.0·Type: photograph
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DiGiCo Quantum 852 Digital Mixing Console 20250726120254
DiGiCo Quantum 852 Digital Mixing Console 20250726120254
Author: TurnOnTheNight·Licence: CC BY-SA 4.0·Type: photograph
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DiGiCo Quantum 852 Digital Mixing Console 20250726120322
DiGiCo Quantum 852 Digital Mixing Console 20250726120322
Author: TurnOnTheNight·Licence: CC BY-SA 4.0·Type: photograph
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DiGiCo D5 Live, Monitor World @ Hey Hey Its Saturday
DiGiCo D5 Live, Monitor World @ Hey Hey Its Saturday
Author: Duncan Underwood·Licence: CC BY 2.0·Type: photograph
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Digidesign VENUE Profile (D-Show family) in use at a corporate event
Digidesign VENUE Profile (D-Show family) in use at a corporate event
Author: Binksternet·Licence: Public domain·Type: photograph
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Soundcraft Vi6 monitor world. Delta rehearsal @ Trackdown
Soundcraft Vi6 monitor world. Delta rehearsal @ Trackdown
Author: Duncan Underwood·Licence: CC BY 2.0·Type: photograph
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NEXO STM M28
NEXO STM M28
Author: MrSadist·Licence: CC BY-SA 4.0·Type: photograph
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Altec Lansing 515-8LF, a later version of the 515 woofer
Altec Lansing 515-8LF, a later version of the 515 woofer
Author: Jacques from Cape Town, South Africa·Licence: CC BY 2.0·Type: photograph
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JBL Paragon
JBL Paragon
Author: -[SOTN]-Magnum5150·Licence: CC BY-SA 2.0·Type: photograph
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Bose 901 on stand
Bose 901 on stand
Author: Lambtron·Licence: CC BY-SA 4.0·Type: photograph
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The Woodstock sound towers, 1969
The Woodstock sound towers, 1969
Author: James M Shelley·Licence: CC BY-SA 4.0·Type: photograph
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Electro-Voice Model 664 (with Model 642) at the Museum of Making Music
Electro-Voice Model 664 (with Model 642) at the Museum of Making Music
Author: doryfour·Licence: CC BY-SA 2.0·Type: photograph
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Mcintosh MC-2300 Front (cropped)
Mcintosh MC-2300 Front (cropped)
Author: Awgrasso·Licence: CC BY-SA 4.0·Type: photograph
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L-Acoustics K2 array flown at the Letfest show, Crimean Embankment
L-Acoustics K2 array flown at the Letfest show, Crimean Embankment
Author: Retired electrician·Licence: CC0·Type: photograph
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Carbon-button microphone capsule from a Western Electric telephone
Carbon-button microphone capsule from a Western Electric telephone
Author: Gerry Ashton·Licence: GFDL·Type: photograph
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Large outdoor horn loudspeaker for stadium and park use (1920s)
Large outdoor horn loudspeaker for stadium and park use (1920s)
Author: Unknown author Unknown author·Licence: Public domain·Type: photograph
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Crown DC300A, the revised DC-300 amplifier, three views
Crown DC300A, the revised DC-300 amplifier, three views
Author: Binksternet·Licence: CC BY-SA 3.0·Type: photograph
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JBL 075 ring-radiator tweeters
JBL 075 ring-radiator tweeters
Author: Jacques from Cape Town, South Africa·Licence: CC BY 2.0·Type: photograph
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Midas PRO X console at NAMM 2017
Midas PRO X console at NAMM 2017
Author: Jim J·Licence: Public domain·Type: photograph
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Crowd surrounds television at RCA exhibit at 1939 World's Fair
Crowd surrounds television at RCA exhibit at 1939 World's Fair, where RCA sound systems were deployed.
Author: Unknown·Licence: Public domain·Type: photograph
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Altec 1567A mixer amplifiers (rack-mounted pair)
Two Altec 1567A mixer amplifiers racked at Savage Audio, alongside MXR outboard units
Author: Jake Mohan·Licence: CC BY 2.0·Type: photograph
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Astor Theatre interior, New York, circa 1906
Historic Astor Theatre auditorium with rows of seats and two ornate balcony levels
Author: Photographer not identified; Library of Congress Prints and Photographs Division·Licence: Public domain; no known restrictions on publication·Type: photograph
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Capitol Theatre, Broadway, New York, 1920
Capitol Theatre exterior on Broadway in 1920, with marquee, early motor cars and pedestrians
Author: American Studio, New York; Library of Congress collection·Licence: Public domain in the United States; published 1920, copyright expired·Type: photograph
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Globe Theatre auditorium, published 1910
Empty theatre seating, balconies and part of the proscenium.
Author: Carrere & Hastings, Architects. Unknown photographer.·Licence: Public domain·Type: photograph
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Electro-Voice 642 and 664 microphones, museum display
Museum display with a long Electro-Voice 642 microphone and a chrome Model 664 alongside musical instruments
Author: doryfour (Flickr)·Licence: CC BY-SA 2.0·Type: photograph
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Fulton Theatre proscenium, 1943
Ornate proscenium framing a closed stage curtain.
Author: Gottscho-Schleisner Collection·Licence: Public domain·Type: photograph
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Loew’s State Theatre, Broadway, 1959
Wide theatre proscenium, curtains and foreground seating.
Author: Gottscho-Schleisner Collection·Licence: Public domain·Type: photograph
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Ampex 601 reel-to-reel recorder
Portable Ampex reel-to-reel recorder beside a Les Paul record sleeve.
Author: Sverma·Licence: CC BY-SA 4.0·Type: photograph
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Restored RCA 44-BX ribbon microphone
RCA ribbon microphone on a stand with its cable coiled beside it.
Author: Roadside Guitars·Licence: CC BY-SA 2.0·Type: photograph
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Early Altec 604 Duplex loudspeaker
Front and rear views of a large coaxial loudspeaker driver.
Author: Unknown author·Licence: CC0 1.0 (public-domain dedication)·Type: photograph
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MJ The Musical Mixing Console
Mixing console and screens for MJ The Musical
Author: Foolscap2000a·Licence: CC BY-SA 4.0·Type: photograph
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And Juliet Mixing Console at the Sondheim Theater
Avid S6L mixing console for & Juliet on Broadway
Author: Foolscap2000a·Licence: CC BY-SA 4.0·Type: photograph
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Analogue mixing console in a road case
Compact analogue mixing desk with rows of knobs and faders in a road case.
Author: Michael Lucan·Licence: CC BY-SA 3.0 de·Type: photograph
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Wireless microphone bodypack
Black Sennheiser wireless bodypack transmitter with antenna and display.
Author: Stephan Ridgway from Sydney, Australia·Licence: CC BY 2.0·Type: photograph
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Headset microphone in Sofia Legislative Theatre
A theatre facilitator addressing the audience, with other participants seated behind her.
Author: FoxiOntheRun·Licence: CC BY-SA 4.0·Type: photograph
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Orchestra pit, Book of Mormon
Orchestra pit with keyboards and instruments under the stage lip
Author: Cory Doctorow·Licence: CC BY-SA 4.0·Type: photograph
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Orchestra pit, West Side Story
Overhead view of a theatre orchestra pit with music stands and keyboards
Author: belokamensky (Photozou)·Licence: CC BY-SA 2.1 JP·Type: photograph
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Wales Millennium Centre orchestra pit
High-angle view of musicians, instruments and music stands in an orchestra pit.
Author: Seth Whales·Licence: CC BY-SA 4.0·Type: photograph
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DiGiCo SD7 Miss Saigon UK
DiGiCo SD7T console at the mix position of Miss Saigon
Author: 97OllieB·Licence: CC BY-SA 4.0·Type: photograph
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DiGiCo SD7T mixing Miss Saigon, 2016
Illuminated DiGiCo console and monitors in the rear of a theatre auditorium.
Author: 97OllieB·Licence: CC BY-SA 4.0·Type: photograph
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Barbra Streisand publicity portrait, mid-1960s
Black-and-white portrait of Barbra Streisand resting her chin on her hand.
Author: Unknown author·Licence: Public domain in the United States (publication without copyright notice)·Type: photograph
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Barbra Streisand, My Name Is Barbra publicity, 1965
Barbra Streisand in a black-and-white television publicity portrait.
Author: CBS Television·Licence: Public domain in the United States (publication without copyright notice)·Type: photograph
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AKG CE10 lavalier microphone
Close-up of a dark lapel microphone and clip on blue fabric.
Author: Zvsmedia·Licence: CC BY-SA 4.0·Type: photograph
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Alexander Graham Bell — portrait
Portrait of Alexander Graham Bell
Author: Unknown author·Licence: CC0·Type: photograph
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Oliver Lodge — portrait
Portrait of Oliver Lodge
Author: Lafayette Ltd.·Licence: CC BY 4.0·Type: photograph
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Thomas Edison — portrait
Portrait of Thomas Edison
Author: Louis Bachrach, Bachrach Studios, restored by Michel Vuijlsteke·Licence: Public domain·Type: photograph
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Bell experimental telephone, patented 1876
Experimental telephone with flared receiver on a wooden base.
Author: National Museum of American History·Licence: Public domain·Type: photograph
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First internal-grid Audion prototype
Narrow glass Audion bulb with visible internal electrodes and screw base.
Author: Lee De Forest·Licence: Public domain·Type: photograph
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Early vacuum-tube public-address system, circa 1920
Reflector microphone, exposed tube amplifier and large horn loudspeaker arranged in a row.
Author: Unknown authorUnknown author·Licence: Public domain·Type: photograph
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Warren G. Harding using Magnavox equipment
Warren Harding speaking into a handheld microphone beside a large horn.
Author: AnonymousUnknown author·Licence: Public domain·Type: photograph
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Restored RCA 44-A ribbon microphone
Restored bronze-colored RCA 44-A ribbon microphone with rectangular grille.
Author: Roadside Guitars·Licence: CC BY-SA 2.0·Type: photograph
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Silver-Marshall Unipac portable PA, 1929
Portable amplifier and microphone beside two tall upward-facing horn speakers.
Author: J. E. Smith·Licence: Public domain·Type: photograph
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Shure 55S Small Unidyne microphone
Silver Shure 55S microphone with horizontal grille slots.
Author: Holger.Ellgaard·Licence: CC BY-SA 3.0·Type: photograph
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Restored 1947 Williamson amplifier
Restored valve amplifier with large black transformer housings and exposed valves.
Author: Keith greenhalgh·Licence: CC BY-SA 4.0·Type: photograph
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Early Altec 604 Duplex loudspeaker
Front and rear views of an Altec 604 coaxial driver with central horn.
Author: Unknown authorUnknown author·Licence: Public domain (CC0)·Type: photograph
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Woodstock sound and lighting towers, 1969
Woodstock crowd beneath tall scaffold sound and lighting towers.
Author: James M Shelley·Licence: CC BY-SA 4.0·Type: photograph
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Woodstock stage and audience, 1969
Large Woodstock crowd on a sloping field facing the distant stage.
Author: Derek Redmond and Paul Campbell·Licence: CC BY-SA 3.0·Type: photograph
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Shure Vocal Master PA column
Tall narrow Shure Vocal Master loudspeaker column with silver vertical trim.
Author: Daniel Christensen·Licence: CC BY-SA 3.0·Type: photograph
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WEM equipment at a Pink Floyd exhibition
WEM speaker cabinet displayed below Pink Floyd concert imagery.
Author: Benoit Darcy from Paris, France·Licence: CC BY 2.0·Type: photograph
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Live Aid at JFK Stadium, Philadelphia, PA
Daylight Live Aid stage with large banner, scaffolding and audience
Author: Squelle·Licence: CC BY-SA 3.0·Type: photograph
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Live Aid after dark at JFK Stadium, Philadelphia, PA
Live Aid stage illuminated after dark above a crowd
Author: Squelle·Licence: CC BY-SA 3.0·Type: photograph
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Two Consoles at FOH
Two large analog mixing desks beneath a front-of-house shelter
Author: PM - PhilyG talk·Licence: Public domain·Type: photograph
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JBL VerTec line arrays (4889 x 9 & 4880a subs x 4)
Curved suspended black loudspeaker array under stage trussing
Author: Ville Hyvönen from helsinki / tallinn, Finland·Licence: CC BY-SA 2.0·Type: photograph
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Line Array and Subs
Flown line array above stacked subwoofers beside stage scaffolding
Author: PM - PhilyG talk·Licence: Public domain·Type: photograph
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Midas Heritage 3000, Pyramid Festival 2009 - Main stage FOH
Midas analog mixing desk next to a tall equipment rack
Author: Duncan Underwood·Licence: CC BY 2.0·Type: photograph
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DiGiCo SD7, Channel 9 OB - Michael Paynter
DiGiCo digital mixing desk with video monitors in a control room
Author: Duncan Underwood·Licence: CC BY 2.0·Type: photograph
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PM5D
Yamaha digital console with faders, screen and papers
Author: Lokoz·Licence: CC BY 2.0·Type: photograph
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FOH - Ruhrpott Metal Meeting 2015 - 0004 - Leonhard Kreissig - Canon EOS 7D
Operator hands on an illuminated audio console in darkness
Author: Leonhard Kreissig // LeoDE·Licence: CC BY 4.0·Type: photograph
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Defmaa Maadef- WOMAD UK 2024 (53897639971)
Two performers at the WOMAD Soundscape Stage with stage equipment
Author: Stephen and Helen Jones from England·Licence: CC BY-SA 2.0·Type: photograph
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U2 performing at Sphere in Las Vegas on Feb 7 2024 by Raymond Shobe.
Audience seating and enormous curved display inside Sphere
Author: bossco·Licence: CC BY-SA 2.0·Type: photograph
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Dülmen, Dülmener Sommer, Open-Air-Konzert -- 2018 -- 9655
Flown outdoor-stage loudspeaker column above ground cabinets
Author: Dietmar Rabich·Licence: CC BY-SA 4.0·Type: photograph
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Drawings & documents

Schematics, patents & catalogues

Cutaway of a coaxial duplex loudspeaker
Cutaway technical drawing of a coaxial loudspeaker showing horn, voice coils and magnet structure
Author: William Hayes·Licence: CC0·Type: diagram
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Wall of Sound elevation drawing, 1974
Elevation drawing of the Grateful Dead Wall of Sound showing stage, vocals, piano, bass and lead arrays
Author: Ron Wickersham·Licence: CC BY-SA 4.0·Type: diagram
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Cardioid subwoofer array layout
Top-down diagram of a cardioid subwoofer array between stage and audience
Author: Binksternet·Licence: CC BY-SA 3.0·Type: diagram
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Compression driver and horn, section view
Cross-sectional diagram of a compression driver with phase plug coupled to an acoustic horn
Author: Binksternet·Licence: CC BY-SA 3.0·Type: diagram
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The Big Voice
1918 advertisement for the Automatic Enunciator public address system
Author: Automatic Electric Company·Licence: Public domain·Type: catalogue
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US patent 5,163,167 (1992): sound wave guide (DOSC waveguide)
US patent 5,163,167 (1992): sound wave guide (DOSC waveguide)
Author: Christian Heil·Licence: Public domain (US patent)·Type: patent
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US patent 1,038,910 (1912): relay for undulatory currents (Lieben–Reisz valve)
US patent 1,038,910 (1912): relay for undulatory currents (Lieben–Reisz valve)
Author: Robert von Lieben·Licence: Public domain (US patent)·Type: patent
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The original Williamson amplifier schematic (1947)
The original Williamson amplifier schematic (1947)
Author: Retired electrician·Licence: Public domain·Type: diagram
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US patent 2,237,298 (1941): Uniphase single-element cardioid microphone
US patent 2,237,298 (1941): Uniphase single-element cardioid microphone
Author: Benjamin Baumzweiger/Bauer (assigned to S. N. Shure)·Licence: Public domain (US patent)·Type: patent
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US patent 174,465 (1876): improvement in telegraphy
US patent 174,465 (1876): improvement in telegraphy
Author: Alexander Graham Bell·Licence: Public domain (US patent)·Type: patent
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PSM V70 D409 Blake telephone transmitter
PSM V70 D409 Blake telephone transmitter
Author: Popular Science Monthly, vol. 70 (1907)·Licence: Public domain·Type: catalogue
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US patent 250,126 (1881): speaking-telephone (Blake transmitter)
US patent 250,126 (1881): speaking-telephone (Blake transmitter)
Author: Francis Blake·Licence: Public domain (US patent)·Type: patent
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Cutaway drawing of a carbon-button transmitter (Van Deventer, 1910s)
Cutaway drawing of a carbon-button transmitter (Van Deventer, 1910s)
Author: H. R. Van Deventer·Licence: Public domain·Type: diagram
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US patent 203,016 (1878): speaking-telephone (carbon transmitter)
US patent 203,016 (1878): speaking-telephone (carbon transmitter)
Author: Thomas A. Edison·Licence: Public domain (US patent)·Type: patent
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US patent 3,582,553 (1971): direct/reflecting loudspeaker system
US patent 3,582,553 (1971): direct/reflecting loudspeaker system
Author: Amar G. Bose·Licence: Public domain (US patent)·Type: patent
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"RCA Photophone" ad in The Film Daily, Jan-Jun 1929 (page 1313 crop)
"RCA Photophone" ad in The Film Daily, Jan-Jun 1929 (page 1313 crop)
Author: RCA Photophone, Inc. (The Film Daily, 1929)·Licence: Public domain·Type: catalogue
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Jensen ad for Alnico 5 speakers
Jensen ad for Alnico 5 speakers
Author: Jensen Radio Manufacturing Co. (1945 advertisement)·Licence: Public domain·Type: catalogue
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US patent 203,016 (1878): speaking-telephone (carbon transmitter)
US patent 203,016 (1878): speaking-telephone (carbon transmitter)
Author: Thomas A. Edison·Licence: Public domain (US patent)·Type: patent
View the original file
US patent 1,448,279 (1923): electrodynamic receiver
US patent 1,448,279 (1923): electrodynamic receiver
Author: Edwin S. Pridham & Peter L. Jensen·Licence: Public domain (US patent)·Type: patent
View the original file
US patent 1,448,279 (1923): electrodynamic receiver, the Magnavox moving-coil driver
US patent 1,448,279 (1923): electrodynamic receiver, the Magnavox moving-coil driver
Author: Edwin S. Pridham & Peter L. Jensen·Licence: Public domain (US patent)·Type: patent
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US patent 1,448,279 (1923): electrodynamic receiver, the Magnavox moving-coil driver
US patent 1,448,279 (1923): electrodynamic receiver, the Magnavox moving-coil driver
Author: Edwin S. Pridham & Peter L. Jensen·Licence: Public domain (US patent)·Type: patent
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US patent 463,569 (1891): loose-contact telephone transmitter
US patent 463,569 (1891): loose-contact telephone transmitter
Author: Emile Berliner·Licence: Public domain (US patent)·Type: patent
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US patent 246,512 (1881): granulated-carbon transmitter
US patent 246,512 (1881): granulated-carbon transmitter
Author: Henry Hunnings·Licence: Public domain (US patent)·Type: patent
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US patent 186,787 (1877): magnetic telephone receiver
US patent 186,787 (1877): magnetic telephone receiver
Author: Alexander Graham Bell·Licence: Public domain (US patent)·Type: patent
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US patent 609,154 (1898): moving-coil apparatus
US patent 609,154 (1898): moving-coil apparatus
Author: Oliver J. Lodge·Licence: Public domain (US patent)·Type: patent
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US patent 1,707,545 (1929): acoustic device, the compression-driver design used in the 555
US patent 1,707,545 (1929): acoustic device, the compression-driver design used in the 555
Author: Edward C. Wente (Bell Telephone Laboratories)·Licence: Public domain (US patent)·Type: patent
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US patent 2,037,187 (1936): sound translating device, the compression-driver design of the 594-A era
US patent 2,037,187 (1936): sound translating device, the compression-driver design of the 594-A era
Author: Edward C. Wente (Bell Telephone Laboratories)·Licence: Public domain (US patent)·Type: patent
View the original file
US patent 3,132,713 (1964): microphone diaphragm (Unidyne III)
US patent 3,132,713 (1964): microphone diaphragm (Unidyne III)
Author: Charles E. Seeler (Shure Brothers)·Licence: Public domain (US patent)·Type: patent
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Théâtrophone listening arrangement, Paris Electrical Exhibition 1881
Théâtrophone listening arrangement, Paris Electrical Exhibition 1881
Author: Clément Ader (1841-1926)·Licence: Public domain·Type: diagram
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Dante audio networking logo
Dante audio networking logo
Author: Audinate Pty, Ltd.·Licence: Public domain·Type: screenshot
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CobraNet logo
CobraNet logo
Author: CobraNet·Licence: Public domain·Type: screenshot
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US patent 957,403 (1910): telephone receiver
US patent 957,403 (1910): telephone receiver
Author: Nathaniel Baldwin·Licence: Public domain (US patent)·Type: patent
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US patent 927,230 (1909): Dictograph
US patent 927,230 (1909): Dictograph
Author: William F. H. Germer·Licence: Public domain (US patent)·Type: patent
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US patent 677,476 (1901): sound-increasing device, the compressed-air amplifier later developed as the Auxetophone
US patent 677,476 (1901): sound-increasing device, the compressed-air amplifier later developed as the Auxetophone
Author: Horace L. Short·Licence: Public domain (US patent)·Type: patent
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US patent 1,869,178 (1932): moving-coil sound translating device of the 618A era
US patent 1,869,178 (1932): moving-coil sound translating device of the 618A era
Author: Albert L. Thuras (Bell Telephone Laboratories)·Licence: Public domain (US patent)·Type: patent
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Acoustic Device Patent Drawing
Patent drawing for the Western Electric No. 555 receiver used with the 13-A horn
Author: Edward C. Wente·Licence: Public domain·Type: patent
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De Forest Audion patent drawing, application filed 1907
Two electrical circuit figures from Lee de Forest’s Space Telegraphy patent.
Author: Lee deForest·Licence: Public domain·Type: patent
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Copyrighted source material

Product images, documents & archive photographs

These images remain the copyright of the named manufacturers, photographers, archives or other credited rights holders. They are shown, credited and linked to their source for identification and historical commentary, not under an unrestricted reuse licence. Rights holders can request removal through the Contribute page.

Clair Brothers S4 rig — large conventional touring arrays
Historical photograph of large Clair Brothers S4 conventional loudspeaker arrays hanging in broad multi-row clusters above an arena stage
Author: ProSoundWeb archive; photographer and original rights holder not credited·Licence: Copyright retained; used for identification and historical commentary·Type: photograph
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L-ISA immersive sound at Ramova Theatre, Chicago
Wide view of Chicago's Ramova Theatre with L-Acoustics L-ISA loudspeaker arrays suspended across the stage and an open auditorium floor
Author: Clayton Hauck, courtesy of L-Acoustics·Licence: Copyright retained; used for identification and historical commentary·Type: photograph
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Martin Audio W8 — official archived datasheet photograph
Martin Audio W8 three-way horn-loaded touring cabinet
Author: Martin Audio Ltd.·Licence: Manufacturer photograph reproduced for historical identification and commentary (fair use)·Type: photograph
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Yamaha PM4000-40C — Innovation Road collection
Yamaha PM4000-40C analogue mixing console in the Innovation Road collection
Author: Yamaha Corporation·Licence: Manufacturer museum photograph reproduced for historical identification and commentary (fair use)·Type: photograph
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Yamaha PM2000 — operating manual cover
Scanned Yamaha PM2000 operating manual cover showing the console
Author: Yamaha Corporation·Licence: Manufacturer manual cover reproduced for historical identification and commentary (fair use)·Type: catalogue
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Electro-Voice X-Array Xcn — engineering data sheet
Electro-Voice X-Array Xcn manufacturer engineering sheet with cabinet drawing
Author: Electro-Voice·Licence: Manufacturer engineering sheet reproduced for historical identification and commentary (fair use)·Type: catalogue
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EAW KF-850, designed by Kenton Forsythe (FOH Fig. 21)
EAW KF-850 three-way enclosures
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Michael ‘Bink’ Knowles with a McCune JM-3
ProSoundWeb article author Michael ‘Bink’ Knowles standing beside a JM-3 loudspeaker with its grille removed.
Author: Published by ProSoundWeb; photographer and original rights holder not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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McCune JM-3 — internal component arrangement
JM-3 loudspeaker with the grille removed, exposing the horn and driver arrangement inside the cabinet.
Author: Published by ProSoundWeb; photographer and original rights holder not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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JM-3s outboard of JM-10s — Kool Jazz, 1977
Archival concert installation with JM-3 loudspeakers outboard of JM-10 arrays, identified in ProSoundWeb’s caption as the 1977 Kool Jazz tour.
Author: Courtesy of Kevin Tyrrell, McCune Anaheim, via ProSoundWeb; photographer and copyright owner not specified·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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Eventide DDL 1745 — original digital delay
Front panel of the original Eventide DDL 1745, not the later 1745A or 1745M.
Author: Eventide Audio; photographer not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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Original dbx 160 — VU-meter compressor
Original dbx 160 compressor with VU meter and wooden side panels, not a later 160X, XT or A.
Author: Published by Mix/Mixonline; photographer and original rights holder not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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LEO-M main-stage arrays — Isle of Wight Festival, 2016
Festival main stage with Meyer Sound LEO-M arrays on either side; Meyer’s accompanying story identifies the system supplied by Wigwam Acoustics.
Author: Meyer Sound; photographer not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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LYON main arrays — Mohegan Sun Arena
Meyer Sound LYON arrays during rigging at Mohegan Sun Arena; other system loudspeakers are also visible.
Author: Khoi Ton / Meyer Sound·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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dLive S7000 — Guangzhou Jazz Festival, 2021
Allen & Heath dLive S7000 at front of house in Guangdong Xinghai Concert Hall, identified in the manufacturer’s Guangzhou Jazz Festival report.
Author: Allen & Heath; photographer not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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Meyer Sound Spacemap Go — hands-on spatial control
A hand operating the Spacemap Go spatial mixing interface on an iPad above a mixing console.
Author: Meyer Sound Laboratories, Inc.; photographer not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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Clair Brothers folding touring console
Archival photograph of Clair Brothers’ folding console and its metering panel.
Author: Published by ProSoundWeb; photographer and original rights holder not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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Soundcraft Series 1 — archival console photograph
Soundcraft Series 1 analogue mixing console in its integrated flight case, identified in ProSoundWeb’s console history.
Author: Published by ProSoundWeb; photographer and original rights holder not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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DiGiCo Quantum 7 — official product photograph
DiGiCo Quantum 7 digital mixing console with three screens and its full control surface.
Author: DiGiCo; photographer not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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L-ISA Desklink — console integration in use
An operator at a mixing console with L-ISA control displayed on a separate screen; official Desklink feature photograph.
Author: L-Acoustics; photographer not credited·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: photograph
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L-ISA Source Control — official plugin screenshot
L-ISA Source Control plugin showing spread, pan, width, distance and elevation controls within a workstation; software interface, not a venue installation.
Author: L-Acoustics·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: screenshot
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Waves SuperRack SoundGrid — official interface screenshot
Waves SuperRack SoundGrid software showing its bank of live plugin racks.
Author: Waves Audio·Licence: Copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use). Reuse permission not established.·Type: screenshot
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EAW Anya — manufacturer photograph
EAW Anya official product photograph
Author: Eastern Acoustic Works (EAW)·Licence: © Eastern Acoustic Works (EAW); used for identification and historical commentary·Type: photograph
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EAW Anna — manufacturer photograph
EAW Anna official product photograph
Author: Eastern Acoustic Works (EAW)·Licence: © Eastern Acoustic Works (EAW); used for identification and historical commentary·Type: photograph
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Holoplot X1 Modul 96 (MD96) — manufacturer technical drawing
Holoplot X1 Modul 96 (MD96) official technical drawing
Author: HOLOPLOT GmbH·Licence: © HOLOPLOT GmbH; used for identification and historical commentary·Type: diagram
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Holoplot X1 Modul 80-S (MD80-S) — manufacturer technical drawing
Holoplot X1 Modul 80-S (MD80-S) official technical drawing
Author: HOLOPLOT GmbH·Licence: © HOLOPLOT GmbH; used for identification and historical commentary·Type: diagram
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Soundcraft Series FOUR console — manufacturer photograph
Soundcraft Series FOUR console official product photograph
Author: Soundcraft / HARMAN International·Licence: © Soundcraft / HARMAN International; used for identification and historical commentary·Type: photograph
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Wisycom MTK952 wideband dual IEM transmitter, official product photograph
Wisycom MTK952 wideband dual IEM transmitter, official product photograph
Author: Wisycom·Licence: © Wisycom; used for identification and historical commentary·Type: photograph
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JBL D30085 Hartsfield corner-horn system, circa 1957
JBL D30085 Hartsfield corner-horn system, circa 1957
Author: Harman International, courtesy Mark Gander and John Eargle·Licence: © Harman International; used for identification and historical commentary·Type: photograph
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Lansing Manufacturing Shearer Horn two-way theatre system
Lansing Manufacturing Shearer Horn two-way theatre system
Author: Harman International; courtesy Mark Gander and John Eargle·Licence: © Harman International / Lansing Heritage archive; used for identification and historical commentary·Type: photograph
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The MGM Shearer Horn (FOH Fig. 8)
Shearer Horn two-way theatre loudspeaker assembly
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Altec Voice of the Theatre catalogue family photograph — A4, A2, A5 and A8 variants, circa 1978
Altec Voice of the Theatre catalogue family photograph — A4, A2, A5 and A8 variants, circa 1978
Author: Altec Lansing Technology, courtesy Paul Barello·Licence: © Altec Lansing Technology; used for identification and historical commentary·Type: photograph
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Altec Lansing 288B high-frequency compression driver literature photo
Altec Lansing 288B high-frequency compression driver literature photo
Author: Altec Lansing Corporation·Licence: © Altec Lansing; used for identification and historical commentary·Type: photograph
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Midas PR40 console system, 1980
Midas PR40 console system, 1980
Author: Theatrecrafts Backstage Heritage Collection; photographer unrecorded·Licence: Archival photograph; used for equipment identification and historical commentary·Type: photograph
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Yamaha PM1000-16 mixing console
Yamaha PM1000-16 mixing console
Author: Yamaha Corporation·Licence: © Yamaha Corporation; used for identification and historical commentary·Type: photograph
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Electro-Voice HR9040 constant-directivity horn
Electro-Voice HR9040 constant-directivity horn
Author: Electro-Voice·Licence: © Electro-Voice; used for identification and historical commentary·Type: photograph
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JBL 4682 enclosure
JBL 4682 enclosure
Author: JBL Professional·Licence: © JBL Professional; used for identification and historical commentary·Type: photograph
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Electro-Voice MT-4 system in a 1987 advertisement
Electro-Voice MT-4 system in a 1987 advertisement
Author: Electro-Voice·Licence: © Electro-Voice; used for identification and historical commentary·Type: catalogue
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Martin Audio Modular PA system, period catalogue
Martin Audio Modular PA system, period catalogue
Author: Martin Audio·Licence: © Martin Audio; used for identification and historical commentary·Type: catalogue
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Martin Audio MH212 Philishave midrange horn, period catalogue
Martin Audio MH212 Philishave midrange horn, period catalogue
Author: Martin Audio·Licence: © Martin Audio; used for identification and historical commentary·Type: catalogue
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JBL 4850 Concert Series family, 1986 brochure
JBL 4850 Concert Series family, 1986 brochure
Author: JBL Professional·Licence: © JBL Professional; used for identification and historical commentary·Type: manual
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EAW BH882iP bass horn — later iP variant, manufacturer datasheet
EAW BH882iP bass horn — later iP variant, manufacturer datasheet
Author: Eastern Acoustic Works·Licence: © Eastern Acoustic Works; used for identification and historical commentary·Type: manual
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Lab.gruppen LAB 2000C — C variant, front and rear panel drawings
Lab.gruppen LAB 2000C — C variant, front and rear panel drawings
Author: Lab.gruppen·Licence: © Lab.gruppen; used for identification and historical commentary·Type: manual
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Yamaha PM3000 AUX return modules — manufacturer manual drawing
Yamaha PM3000 AUX return modules — manufacturer manual drawing
Author: Yamaha Corporation·Licence: © Yamaha Corporation; used for identification and historical commentary·Type: manual
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Crown Macro-Tech MA-5002VZ amplifier, service manual
Crown Macro-Tech MA-5002VZ amplifier, service manual
Author: Crown International·Licence: © Crown International; used for identification and historical commentary·Type: manual
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Meyer Sound MSL-3 Reinforcement Loudspeaker
Meyer Sound MSL-3 Reinforcement Loudspeaker
Author: CUE Sale·Licence: © CUE Sale; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound MSL-3A — later A variant, manufacturer product photograph
Meyer Sound MSL-3A — later A variant, manufacturer product photograph
Author: Meyer Sound Laboratories·Licence: © Meyer Sound; used for identification and historical commentary·Type: photograph
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Meyer Sound MSL-3 — additional cabinet view 1
Meyer Sound MSL-3 — additional cabinet view 1
Author: CUE Sale·Licence: © CUE Sale; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound MSL-3 — additional cabinet view 2
Meyer Sound MSL-3 — additional cabinet view 2
Author: CUE Sale·Licence: © CUE Sale; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound MSL-3 — additional cabinet view 3
Meyer Sound MSL-3 — additional cabinet view 3
Author: CUE Sale·Licence: © CUE Sale; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound USW-1 — cabinet detail 1
Meyer Sound USW-1 — cabinet detail 1
Author: AVGear·Licence: © AVGear; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound USW-1 — cabinet detail 2
Meyer Sound USW-1 — cabinet detail 2
Author: AVGear·Licence: © AVGear; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound USW-1 — cabinet detail 3
Meyer Sound USW-1 — cabinet detail 3
Author: AVGear·Licence: © AVGear; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound USW-1 — cabinet detail 4
Meyer Sound USW-1 — cabinet detail 4
Author: AVGear·Licence: © AVGear; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound USW-1 UltraSeries Subwoofer
Meyer Sound USW-1 UltraSeries Subwoofer
Author: AVGear·Licence: © AVGear; used for equipment identification and historical commentary·Type: photograph
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Meyer Sound USW-1P — later self-powered P variant, manufacturer datasheet
Meyer Sound USW-1P — later self-powered P variant, manufacturer datasheet
Author: Meyer Sound Laboratories·Licence: © Meyer Sound; used for identification and historical commentary·Type: manual
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Clair S4 Series II — front with grille removed
Clair S4 Series II — front with grille removed
Author: Clair Global / CLAIR Used Gear·Licence: © Clair Global; used for identification and historical commentary·Type: photograph
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Clair S4 Series II — drivers and horn
Clair S4 Series II — drivers and horn
Author: Clair Global / CLAIR Used Gear·Licence: © Clair Global; used for identification and historical commentary·Type: photograph
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Clair S4 Series II — rear cabinet
Clair S4 Series II — rear cabinet
Author: Clair Global / CLAIR Used Gear·Licence: © Clair Global; used for identification and historical commentary·Type: photograph
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Clair S4 Series II — side cabinet
Clair S4 Series II — side cabinet
Author: Clair Global / CLAIR Used Gear·Licence: © Clair Global; used for identification and historical commentary·Type: photograph
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Clair S4 Series II — front grille
Clair S4 Series II — front grille
Author: Clair Global / CLAIR Used Gear·Licence: © Clair Global; used for identification and historical commentary·Type: photograph
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Clair S4 Series II — connector detail
Clair S4 Series II — connector detail
Author: Clair Global / CLAIR Used Gear·Licence: © Clair Global; used for identification and historical commentary·Type: photograph
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Showco two-way system flown for Elvis Presley, 1971 (FOH Fig. 3)
Showco loudspeaker clusters flown above an arena floor for Elvis Presley in 1971
Author: Courtesy Rusty Brutsche, via FOH magazine·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Clair Brothers S4 — a later version of the 1974 design (FOH Fig. 4)
Front of a Clair Brothers S4 cabinet showing two 18-inch woofers, four 10-inch mids and horns
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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McCune JM-10 array, designed by John Meyer and Bob Cavin (FOH Fig. 9)
Crew standing beneath a McCune JM-10 array on scaffolding in a stadium
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Automatic Enunciator distributed P.A. at a yachting event, 1912 (FOH Fig. 1)
Crowd at a 1912 yachting carnival with Automatic Enunciator horns
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Comiskey Park opening day, 1913, where the Automatic Enunciator's horns were installed (FOH Fig. 2)
Fans queuing outside Comiskey Park on opening day 1913
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Western Electric 555-W driver on a 12-A exponential horn (FOH Fig. 6)
A man standing beside a very long Western Electric 12-A horn
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Lansing Iconic two-way monitor, 1937 (FOH Fig. 9)
Lansing Iconic cabinet with a multicellular horn on top
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Altec 604 coaxial loudspeaker (FOH Fig. 10)
Altec 604 coaxial driver
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Altec Voice of the Theatre line-up, led by the double-15-inch A-4 (FOH Fig. 11)
Row of Altec Voice of the Theatre systems of different sizes
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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JBL D130 15-inch driver (FOH Fig. 12)
JBL D130 loudspeaker driver
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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JBL D130 Original Flyer
Original flyer for JBL D130 loudspeaker, circa 1948.
Author: James B. Lansing Sound Inc.·Licence: © Maker·Type: catalogue
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Altec A-7-500, the 1959 upgrade of the A7 (FOH Fig. 13)
Altec A-7-500 cabinet with a sectoral horn on top
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Shure Vocal Master portable columns, 1967 (FOH Fig. 14)
Shure Vocal Master column loudspeakers and mixer-amplifier
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Meyer Sound UPA-1 trapezoidal loudspeakers with the M1-A processor (FOH Fig. 19)
Meyer UPA-1 cabinets beside an M1-A processor
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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Jeffrey Cox with L-Acoustics V-DOSC enclosures, which he sold and built in the US (FOH Fig. 22)
Jeffrey Cox standing with V-DOSC enclosures
Author: FOH magazine; photographer not credited·Licence: Rights retained by the rights holder; reproduced for historical commentary·Type: photograph
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PM1D digital mixing system
PM1D digital mixing system
Author: Yamaha·Licence: © Yamaha, used for identification and historical commentary·Type: photograph
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PM5D digital mixing console
PM5D digital mixing console
Author: Yamaha·Licence: © Yamaha, used for identification and historical commentary·Type: photograph
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K2 variable-curvature line source array
K2 variable-curvature line source array
Author: L-Acoustics·Licence: © L-Acoustics, used for identification and historical commentary·Type: photograph
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K1 line source array with K1-BUMP
K1 line source array with K1-BUMP
Author: L-Acoustics·Licence: © L-Acoustics, used for identification and historical commentary·Type: photograph
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KARA II modular line source array
KARA II modular line source array
Author: L-Acoustics·Licence: © L-Acoustics, used for identification and historical commentary·Type: photograph
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L-ISA Processor II
L-ISA Processor II
Author: L-Acoustics·Licence: © L-Acoustics, used for identification and historical commentary·Type: photograph
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PANTHER linear line array loudspeaker
PANTHER linear line array loudspeaker
Author: Meyer Sound·Licence: © Meyer Sound, used for identification and historical commentary·Type: photograph
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TiMax SoundHub spatial audio processor
TiMax SoundHub spatial audio processor
Author: TiMax / Out Board·Licence: © TiMax / Out Board, used for identification and historical commentary·Type: photograph
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AFC Image spatial sound control
AFC Image spatial sound control
Author: Yamaha·Licence: © Yamaha, used for identification and historical commentary·Type: screenshot
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QLab 5 (object audio)
QLab 5 (object audio)
Author: Figure 53·Licence: © Figure 53, used for identification and historical commentary·Type: screenshot
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SPAT Revolution immersive engine interface
SPAT Revolution immersive engine interface
Author: FLUX:: Immersive·Licence: © FLUX:: Immersive, used for identification and historical commentary·Type: screenshot
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CL Series digital consoles (CL5 shown in the range)
CL Series digital consoles (CL5 shown in the range)
Author: Yamaha·Licence: © Yamaha, used for identification and historical commentary·Type: photograph
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mc²96 production console
mc²96 production console
Author: Lawo·Licence: © Lawo, used for identification and historical commentary·Type: photograph
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PRODIGY.MP multifunction audio processor
PRODIGY.MP multifunction audio processor
Author: DirectOut·Licence: © DirectOut, used for identification and historical commentary·Type: photograph
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Live L650 console
Live L650 console
Author: Solid State Logic·Licence: © Solid State Logic, used for identification and historical commentary·Type: photograph
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RIVAGE PM digital mixing system
RIVAGE PM digital mixing system
Author: Yamaha·Licence: © Yamaha, used for identification and historical commentary·Type: photograph
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L-Acoustics system managed with LA Network Manager (Houston Rodeo)
L-Acoustics system managed with LA Network Manager (Houston Rodeo)
Author: L-Acoustics·Licence: © L-Acoustics, used for identification and historical commentary·Type: screenshot
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SIM II measurement system
SIM II measurement system
Author: Meyer Sound·Licence: © Meyer Sound, used for identification and historical commentary·Type: photograph
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NADIA processing platform
NADIA processing platform
Author: Meyer Sound·Licence: © Meyer Sound, used for identification and historical commentary·Type: photograph
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J8 line array loudspeaker
J8 line array loudspeaker
Author: d&b audiotechnik·Licence: © d&b audiotechnik, used for identification and historical commentary·Type: photograph
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KSL8 line array loudspeaker
KSL8 line array loudspeaker
Author: d&b audiotechnik·Licence: © d&b audiotechnik, used for identification and historical commentary·Type: photograph
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GSL8 line array loudspeaker
GSL8 line array loudspeaker
Author: d&b audiotechnik·Licence: © d&b audiotechnik, used for identification and historical commentary·Type: photograph
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VTX V25 line array element
VTX V25 line array element
Author: JBL Professional (HARMAN)·Licence: © JBL Professional (HARMAN), used for identification and historical commentary·Type: photograph
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X Series touring amplifier platform
X Series touring amplifier platform
Author: Powersoft·Licence: © Powersoft, used for identification and historical commentary·Type: photograph
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SARA II rendering engine
SARA II rendering engine
Author: Astro Spatial Audio·Licence: © Astro Spatial Audio, used for identification and historical commentary·Type: photograph
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Spatial Audio Designer
Spatial Audio Designer
Author: New Audio Technology·Licence: © New Audio Technology, used for identification and historical commentary·Type: screenshot
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Stagetracker II performer tracking
Stagetracker II performer tracking
Author: TTA / Martin Audio·Licence: © TTA / Martin Audio, used for identification and historical commentary·Type: photograph
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Argo console family
Argo console family
Author: Calrec Audio·Licence: © Calrec Audio, used for identification and historical commentary·Type: photograph
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Smaart logo
Smaart logo
Author: Rational Acoustics·Licence: © Rational Acoustics, used for identification and historical commentary·Type: screenshot
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RAVENNA logo
RAVENNA logo
Author: ALC NetworX·Licence: © ALC NetworX, used for identification and historical commentary·Type: screenshot
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Turbosound TMS-3 three-way enclosure
Turbosound TMS-3 three-way enclosure
Author: Warehouse Sound Services·Licence: © Warehouse Sound Services, used for identification and historical commentary·Type: photograph
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AES logo (publisher of AES67)
AES logo (publisher of AES67)
Author: Audio Engineering Society·Licence: © Audio Engineering Society, used for identification and historical commentary·Type: screenshot
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d&b DS100 Signal Engine (predecessor platform of the DS110 line)
d&b DS100 Signal Engine (predecessor platform of the DS110 line)
Author: d&b audiotechnik·Licence: © d&b audiotechnik, used for identification and historical commentary·Type: photograph
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Shure Axient Digital receiver and transmitters
Shure Axient Digital receiver and transmitters
Author: Shure·Licence: © Shure, used for identification and historical commentary·Type: photograph
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d&b DS100 Signal Engine, the processor at the core of Soundscape
d&b DS100 Signal Engine, the processor at the core of Soundscape
Author: d&b audiotechnik·Licence: © d&b audiotechnik, used for identification and historical commentary·Type: photograph
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Altec Voice of the Theatre Systems Circa 1978
Altec Lansing Voice of the Theatre A2 system lineup.
Author: Altec Lansing·Licence: © Altec Lansing·Type: catalogue
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Sennheiser Digital 6000
Sennheiser Digital 6000 wireless microphone system.
Author: Sennheiser·Licence: © Sennheiser·Type: photograph
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JBL D130 original catalogue page — JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL D130.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL D130 original catalogue page — JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL D130.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL D130 original catalogue page — JBL loudspeaker catalogue, 1967 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL D130.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1967 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL 375 original catalogue page — JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL 375.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL 375 original catalogue page — JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL 375.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL 375 original catalogue page — JBL loudspeaker catalogue, 1967 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL 375.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1967 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL 075 original catalogue page — JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL 075.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL 075 original catalogue page — JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL 075.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL 075 original catalogue page — JBL loudspeaker catalogue, 1967 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL 075.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1967 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL Hartsfield original catalogue page — JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL Hartsfield.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL Hartsfield original catalogue page — JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL Hartsfield.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL Paragon D44000 original catalogue page — JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL Paragon D44000.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1957 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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JBL Paragon D44000 original catalogue page — JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the JBL Paragon D44000.
Author: JBL / James B. Lansing Sound, Inc. (JBL loudspeaker catalogue, 1962 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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Altec A-2 original catalogue page — Altec Voice of the Theatre brochure, 1966 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the Altec A-2.
Author: Altec Lansing Corporation (Altec Voice of the Theatre brochure, 1966 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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Altec A-7 original catalogue page — Altec Voice of the Theatre brochure, 1966 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the Altec A-7.
Author: Altec Lansing Corporation (Altec Voice of the Theatre brochure, 1966 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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Altec A-7 original catalogue page — Altec Lansing equipment catalogue, 1963 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the Altec A-7.
Author: Altec Lansing Corporation (Altec Lansing equipment catalogue, 1963 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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Altec 604 original catalogue page — Altec Lansing equipment catalogue, 1947 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the Altec 604.
Author: Altec Lansing Corporation (Altec Lansing equipment catalogue, 1947 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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Altec 515 original catalogue page — Altec Lansing equipment catalogue, 1947 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the Altec 515.
Author: Altec Lansing Corporation (Altec Lansing equipment catalogue, 1947 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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Altec 288 original catalogue page — Altec Lansing equipment catalogue, 1947 (archive catalogue dating; no date printed on selected page)
Scanned period catalogue page naming and illustrating the Altec 288.
Author: Altec Lansing Corporation (Altec Lansing equipment catalogue, 1947 (archive catalogue dating; no date printed on selected page))·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: catalogue
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REW Professional: Amcron DC 300A — Studio Sound, May 1978
REW Professional: Amcron DC 300A — original scanned print advertisement
Author: REW Professional (Studio Sound, May 1978)·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: advertisement
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Turnkey Studio Systems: Shure SM58 — Studio Sound, May 1985
Turnkey Studio Systems: Shure SM58 — original scanned print advertisement
Author: Turnkey Studio Systems (Studio Sound, May 1985)·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: advertisement
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Shure SM58: 60th anniversary rebate — Recording Engineer/Producer, June 1985
Shure SM58: 60th anniversary rebate — original scanned print advertisement
Author: Shure (Recording Engineer/Producer, June 1985)·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: advertisement
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So you thought Shure only made one vocal mic — Studio Sound, May 1988
So you thought Shure only made one vocal mic — original scanned print advertisement
Author: Shure / HW International (Studio Sound, May 1988)·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: advertisement
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Turnkey Studio Systems: Shure SM57 — Studio Sound, May 1985
Turnkey Studio Systems: Shure SM57 — original scanned print advertisement
Author: Turnkey Studio Systems (Studio Sound, May 1985)·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: advertisement
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Shure SM57: 60th anniversary rebate — Recording Engineer/Producer, June 1985
Shure SM57: 60th anniversary rebate — original scanned print advertisement
Author: Shure (Recording Engineer/Producer, June 1985)·Licence: Period advertising/catalogue material; copyright retained by the original rights holder; reproduced for identification and historical commentary (fair use).·Type: advertisement
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Jesus Christ Superstar, original Broadway production, 1971
Costumed cast of the original Broadway Jesus Christ Superstar in a stage tableau
Author: Friedman-Abeles (Firm); Billy Rose Theatre Division, The New York Public Library·Licence: © The New York Public Library, which holds or manages copyright; used for historical commentary, not licensed for unrestricted reuse·Type: photograph
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Abe Jacob — designer portrait
Abe Jacob smiling in a tuxedo with round glasses and a white pocket square
Author: The Tony Awards; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Shure AD1 Bodypack Transmitter
Shure AD1 Axient Digital wireless bodypack transmitter with whip antenna
Author: Shure Incorporated·Licence: Manufacturer product photograph, shown for identification (fair use)·Type: photograph
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Jessica Paz — designer portrait
Jessica Paz smiling in a leather jacket, official designer portrait
Author: Jessica Paz official website; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Gareth Owen — designer portrait
Gareth Owen in a blue suit, official sound-designer portrait
Author: Gareth Owen Sound Limited; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Nevin Steinberg — designer portrait
Nevin Steinberg smiling, portrait from his official biography
Author: Nevin Steinberg / The Modern Projects website; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Mick Potter — designer portrait
Mick Potter seated with folded arms, black-and-white designer portrait
Author: Mick Potter Sound Design Limited; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Paul Arditti — designer portrait
Paul Arditti holding his Tony Award in a press-room photograph
Author: Paul Arditti official gallery; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Tony Meola — designer portrait
Tony Meola smiling in a plaid shirt, black-and-white headshot
Author: BroadwayWorld headshot database; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Kai Harada — designer portrait
Kai Harada smiling at a Tony Awards press wall
Author: BroadwayWorld headshot database; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Brian Ronan — designer portrait
Brian Ronan in a tuxedo holding his Tony Award
Author: BroadwayWorld headshot database; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Steve Canyon Kennedy — designer portrait
Steve Canyon Kennedy smiling at an awards press wall
Author: BroadwayWorld headshot database; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Martin Levan — designer portrait
Martin Levan smiling, black-and-white headshot
Author: BroadwayWorld headshot database; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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John Shivers — designer portrait
John Shivers smiling at an opening-night press wall
Author: BroadwayWorld headshot database; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Cody Spencer — designer portrait
Cody Spencer seated at a studio mixing desk and monitors, black-and-white photograph
Author: L-Acoustics; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Robert Kaplowitz — designer portrait
Robert Kaplowitz smiling with his hand against his cheek, holding a pen
Author: Azuka Theatre; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Bob McCarthy — portrait
Bob McCarthy
Author: Stage Seminars; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Charlie Watkins — portrait
Photograph of Charlie Watkins
Author: Reverb / Watkins archive; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Christian Heil — portrait
Christian Heil beside early loudspeaker systems
Author: L-Acoustics; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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D. B. Keele Jr. — portrait
D. B. Keele Jr. working at his desk at Electro-Voice, circa 1974
Author: D. B. Keele Jr. website; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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E. C. Wente — portrait
Photograph of E. C. Wente
Author: Engineering and Technology History Wiki; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Jamie Anderson — portrait
Jamie Anderson
Author: Rational Acoustics; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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John Kenneth Hilliard — portrait
Photograph of John Kenneth Hilliard
Author: Todd White; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Ralf Zuleeg — portrait
Ralf Zuleeg
Author: Artist / CTM Festival; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Roman Sick — portrait
Roman Sick
Author: Headliner Magazine; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Sam Berkow — portrait
Sam Berkow
Author: FOH; photographer not credited·Licence: Copyright retained by original rights holder; editorial identification and historical commentary (fair use), no unrestricted reuse licence·Type: photograph
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Huey Lewis and the News on stage
Huey Lewis and the News performing under stage lighting.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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House mix position
Angled photograph of a house mixing console and outboard racks.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Flown Power Physics system
Suspended stacks of horn-loaded cabinets above arena seating.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Five Power Physics enclosure types
Original drawing of the Hurler, Shin, Twin, mid-bass and CS-15 bass enclosures.
Author: R-e/p; drawing author not separately credited·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: diagram
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Truck loading
Crew rolling a strapped cabinet stack out of a truck.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Cabinets rolled onto the stage
Trapezoidal speaker cabinets with wheels on a stage beside a crew member.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Stack securing hardware
Rear of stacked speaker cabinets with securing straps.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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John J. T. Taylor assembling frames
Crew member John Taylor working on a speaker frame.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Assembled Power Physics array
Five adjoining columns of horn-loaded cabinets on the floor.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Original Power Physics array-layout drawing
Not-to-scale plan showing main clusters, deck stacks, side stacks, rear fills and stage monitors.
Author: R-e/p; drawing author not separately credited·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: diagram
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Front-floor deck stack
Ground-supported bank of horns along the stage sound wing.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Crest amplifier racks
Three open amplifier racks with rows of amplifiers.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Gamble monitor console
A mixing console and monitor-system electronics racks.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Custom Huey Lewis vocal monitor
A large wedge loudspeaker with a metal grille.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Meyer UM-1 overhead stage monitor
A suspended wedge monitor seen from below.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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Custom drum monitor
Stacked drum-monitor cabinets beside stage equipment.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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House electronics racks
Outboard equipment racks beside the house mixing desk.
Author: David Scheirman (photography credit in article)·Licence: Copyrighted period illustration; editorial fair use for historical commentary; reuse permission not established·Type: photograph
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