Why it mattered
- 01
It took amplified sound to schools, outdoor events and small venues.
- 02
It sat in RCA's sound-products line alongside theatre systems such as Photophone.
Pictured in this passage
Engineering record
- Specification
- Four valves (57, 56, 53, 80), 115 V, about 6 W[1]
Original pricing
No reliable period price located
2026 equivalent
Not calculated without a reliable original price.
Public price evidence was not sufficient to publish a defensible original figure.
Use in the field
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Manuals & original documents
No authoritative manual or original document has been located for this profile.
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Know more about PG-63 horn system?
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