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.
Hello...
I have a Unison Research S8 tube. The internal resistor is burned. Dear netizens. May I ask if there is a circuit diagram for its service manual? Thanks.
