1975 Marshall JMP Super Lead 100 Tube Amp Overdrive Distortion Fuzz Mod Doom Heavy Metal

modified by unknown tech in the 80s or 90s, has a quartet of mesa boogie EL34 power tubes, mesa boogie 12ax7's in the stock preamp section and a fender made in USA 12ax7 in the added tube overdrive socket. push pull on the bass knob for bass boost, push pull on the 2nd stage over drive knob for another overall boost, this amp cranks and has tons of sustain and velvety fuzz/overdrive/harmonics. My playing and tele are not doing it justice here...
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