• 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.

ARC (Audio Research) VT50


Sin Bin
2007-03-02 8:04 pm
Anybody familar with the unit and circuit diagram?
I have one on the bench .I guess one valve had blown. It looks OK except two torched small 1/4W resistors present only on right channel close to power valves. It has to be some ground lift and I'm surprised they are burned. Regards, Wojciech