• 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.

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rayma

rayma

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Joined 2011
Gungnir said:
I may try that, but I will lose the loudness tap and also the balance is built into the pot as well. I is a very weird pot that I cannot find anywhere else.
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For testing purpose, you could just bypass the entire control, using a series and shunt resistor per channel. Use 100k series and 10k shunt.
It's possible to do without a balance control if the volume pot is good, so you can replace that part with a standard volume control.
Some such controls will still have loudness taps, if you want that function.
 
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