RCA

[mjrippe]

RCA 62-A Portable Broadcast Amplifier, 1937.  Full manual to be scanned soon.

 

[emrr]

There are two distinct looks and layouts, don't know if there are circuit differences or not.  Here's one with values. 

 

[mjrippe]

Article about the classic RCA knob.

 

[Rompstomp89]

RCA BA73-A

 

[Rompstomp89]

RCA BA73-B

 

[emrr]

January 1949 updates

 

[abbey road d enfer]

RCA document about microphone loading

 

[rackmonkey]

BA-73A full manual (scanned by me)

 

[matriachamplification]

RCA BC-6B Instruction Manual

 

[emrr]

44-BX mic MI-4027-E version

 

[smilan]

BA-31A

 

[jdirolf]

RCA BA-13A manual/schematic

 

[LeRoyLimited]

RCA SPX Standard Ribbon Velocity Microphone

 

[ToBSn]

RCA BA-6A Compressor

 

[ToBSn]

RCA BA-6B-Compressor

 

[ToBSn]

RCA BA-11A

 

[ToBSn]

RCA OP-7

 

[ToBSn]

RCA BC-3B

 

[audio_fil]

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