Electro-Harmonix Big Muff Pi V5 (Op Amp Tone Bypass) Late 1970s Silver

Reverb Estimated Used Price Range

  • $255$360

Produced and sold in tandem with the V4 Op-Amp predecessor, the fifth rendition of the Big Muff series featured the same op-amp circuitry as the fourth with the addition of a tone bypass. The tone bypass allowed for a flatter equalization, more pronounced distortion, and slight decibel boost.

Years of Production: ca. 1978-1980

Notable Players: Billy Corgan

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