WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
Building, troubleshooting and testing of these amplifiers should only be
performed by someone who is thoroughly familiar with
the safety precautions around high voltages.
Hi everyone I am new here. I am looking for an RCA sta 3900 service manual. If anyone has a service manual wiring schematics to that particular model. That would be great. Thanks
