• 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.

Replace el34 with 6p3s

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Yes it is possible. But first you have to do some homework.. :)

Download the datasheets of both tubes. i.e. EL34 and the Russian variant of the 6L6 (6P3S).

Look at the pinout (what connects to which pin)
Look at the max dissapation for each tube.
Look at the max voltage for the plates/screen (if relevant)
Look at the current consumption for each tube heater/filament

Regards,
Bas
 
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