Electro Harmonix Op Amp Big Muff Pi Reissue Fuzz - Used

Electro Harmonix Op Amp Big Muff Pi Reissue Fuzz - Used

Marsoni

M251S

$59.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Electro Harmonix Op Amp Big Muff Pi Reissue Fuzz - UsedThis pedal is a reissue of the 1978 Op Amp Big Muff, most famously used by Billy Corgan of Smashing Pumpkins. It features controls for Volume, Tone, and Sustain, as well as a switch to toggle the Tone on and off. This pedal is in excellent condition and includes the original box.

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The umbrella never really opened right. I wasn't sure what the problem was, but today it's completely broken. The crank (which was installed incorrectly to begin with) doesn't do anything. I've only used it a couple of times, and I'm 2 days passed the return window. Very disappointing. It is nice looking though.

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Reviewed in the United States on April 25, 2026

Verified Purchase

Nita

Whiting, US

★★★★★ 5

It’s huge and works great.

Color: Beige, Size: 9ft

The umbrella is huge and I’m very happy with it.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 27, 2026