• 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.

Differential output stage: cap voltage?

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Doesn't need to be any different to normal. I have this on an 807 amp and use 64V caps with it biased up at about 20V. Only had issues when I tried lowering the 1meg resistor to about 300R- but thats a long story that isn't really relevant.
The only thing to note is that the caps are in series and so their value is halved, but I expect you spotted that already.

Shoog
 
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