• 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.

amp mod

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vlljpior

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Joined 2004
Hi, how can i modify this amp to have 2 stage preamp ? can i use 12ax7 insted of 6av6 ? how can i put a tonestack ?
 

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