• 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.

What is the purpose of this cap?

See attached simplified schematic. Is it to provide a bit of NFB to reduce gain at high frequencies?

Thanks, Steve
 

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