Electro-Harmonix Op-Amp Big Muff Pi Distortion/Sustainer Pedal, For Sale

quot;The Op-Amp Big Muff was popularized by the brilliant Billy Corgan, who first used it on the Smashing Pumpkins’ epic 1993 album Siamese Dream. After he was videotaped playing and talking about the reissue, Billy stated: ‘The magic’s still in the box. I can still get what I’m looking for!'" - Mike Matthews, founder, Ele

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Electro-Harmonix Op-Amp Big Muff Pi Distortion/Sustainer - 683274012087

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Electro-Harmonix Op Amp Big Muff Pi Distortion/Sustainer Pedal –

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Electro-Harmonix OP Amp Big Muff Pi Distortion/Sustainer OPAMPBM

Electro Harmonix Op Amp Big Muff Pedal