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.
i 'v interest about 9002 mini tinny 7 pin tube for 2 stage preamp
rec. by 6x4. anyone have a schematic for this thing.
and how about this idea it's work or not .
for se 6l6@//6922 .