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.

Duosonic 40's era record player

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The tube is a 7OL7GT.

Patrick,

WA2ISE tells us that the O/P trafo has a 2 KOhm primary. 2 KOhms is perfect for use with a 12L6GT.

Things appear to be shaping up nicely.

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