Would anyone out there happen to have the schematics for a 1950s radio station mixing console such as the RCA bc-7a ?? I hope someone can help me. Thanks a lot in advance.

: Would anyone out there happen to have the schematics for a 1950s radio station mixing console such as the RCA bc-7a ?? I hope someone can help me. Thanks a lot in advance.

I need the same schematics for the RCa BC-7a. I really need the manual on the power supply for this unit. I don't know the RCa number for the power supply.
Anyone please help!!!

: Would anyone out there happen to have the schematics for a 1950s radio station mixing console such as the RCA bc-7a ?? I hope someone can help me. Thanks a lot in advance.

I do have the manuals for the mic pre's for this unit the program amp and the monitor amps.