• 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.

Bias secrets for a HH Scott 233?!?

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Stereo integrated, vintage early 60s. outputs 7591, 2/side.
They Ks are tied together and a low value R is between them and ground. Has both bias and balance pots for each side. Any help or links to help much appreciated.

Thanks ahead😎
 
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