• 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.

Hickock 118a user manual

Thanks for answer ( with a little bit delay 🙂 )


I also looking for the screws of the meter that are missing; I measured the other similar on the top cover and are 0,135 inch.
I can't find the commercial types.
Someone can help?

Thx

Walter