• 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.

MosFET in driver tube cathode?

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#21
Something I've been thinking about today, and I wonder if I can get away with this.

I saw the schematic for the clone vt60, and in the output tube cathodes, there's 5r6 with a 100r trimmer across it, this gives a little adjustment room to make up for slight tube mismatches, right? Is this a good idea? Bad idea?

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