Equipment photographs · 1
1 / 1 · "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)·RCA Photophone, Inc. (The Film Daily, 1929)·Public domainWhy it mattered
- 01
Its rivalry with Western Electric during the conversion to sound pushed theatre amplification forward.
- 02
RCA's theatre work fed its portable PA products such as the PG-63.
Engineering record
- Recording chain
- Variable-area track with condenser microphones and a photographic recorder[1]
Original pricing
No reliable period price located
2026 equivalent
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Public price evidence was not sufficient to publish a defensible original figure.
Use in the field
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Manuals & original documents
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