Electro-Harmonix Big Muff Pi V5 (Op Amp Tone Bypass)


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

Product Specs

  • Big Muff Pi V5 (Op Amp Tone Bypass)
  • Silver
  • 1970s

From the Price Guide

Reviews for the Electro-Harmonix Big Muff Pi V5 (Op Amp Tone Bypass)
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  • The Very Best Vintage Big Muff I've Ever Owned!

    I have been through a ton of Big Muffs over the years looking for THE ONE that would do it for me. I always liked Big Muff's but none of them every really spoke to me. I always felt like I was wearing someone else's shoes when I played them. Not so with this Op Amp Big Muff. From my understanding …

  • Amazing big muff

    Verified Purchase

    It was a great deal I'm very glad i chose your services it came fast and without any problams i'm sure I'll use Reverb again thank you very much