"The father of all stompboxes: the first commercially produced transistor-based guitar effect pedal and also the first fuzz box.
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First made in 1962, it took until 1965 to catch on when Keith used one on Satisfaction – and the world of guitar tone was changed forever. The FZ-1a used three germanium transistors to amplify and clip the guitar’s signal creating fuzz, glorious fuzz…"
here it alive by Formula B "maestra" Fuzz Tone pedal
true bypass footswich
powered by 9volt standard supply (BOSS) or 9v inside battery