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

What is the Electro-Harmonix Op-amp Big Muff Pi Fuzz Pedal
The Electro-Harmonix Op-amp Big Muff Pi Fuzz Pedal delivers the iconic fuzz sound that shaped some of the most memorable albums in rock history, particularly Smashing Pumpkins' Siamese Dream. Inspired by Billy Corgan’s iconic late-'70s op-amp Big Muff, this pedal captures that gritty, explosive fuzz that fueled an entire genre. With its compact design, true bypass switching, and versatile controls, the Op-amp Big Muff Pi allows you to recreate those legendary tones while offering even more flexibility for modern musicians. Whether you’re after smooth, controlled fuzz or aggressive, snarling distortion, this pedal has you covered.

Legendary Fuzz Tone Based on the Original V4 IC Big Muff
The Op-amp Big Muff Pi pedal is rooted in the sound of the late-'70s V4 IC Big Muff Pi that Billy Corgan made famous on Siamese Dream. Known for its unique blend of psychedelia and rock, the op-amp-equipped Muff provided a powerful, fuzz-laden distortion that became synonymous with the album’s tone. Electro-Harmonix has faithfully recreated this sound, giving you the same thick, saturated fuzz that made the original pedal so beloved by alternative and grunge musicians. The pedal’s ability to retain the signature texture of the ‘70s model means you can effortlessly achieve the same tone that was a key element in shaping Smashing Pumpkins’ sound.

Easy Control Over Your Tone with Simple Knobs
The Electro-Harmonix Op-amp Big Muff Pi features independent controls for Volume, Tone, and Sustain (gain), making it easy to dial in your perfect fuzz sound. The Volume knob allows you to adjust the output level, ensuring that you can match the pedal to your rig and performance needs. The Tone control gives you the flexibility to shape your sound, from a smooth, wooly fuzz to a biting, aggressive tone. The Sustain knob controls the amount of gain and sustain, letting you create everything from subtle overdrive to explosive, high-gain fuzz. Whether you want to add texture to your rhythm or create scorching leads, this pedal has all the controls you need.

Tone Bypass Switch for Extra Aggression
One of the standout features of the Op-amp Big Muff Pi is its tone bypass toggle. This feature temporarily bypasses the pedal’s tone circuit, allowing you to increase your output and add an extra layer of aggression. When engaged, the tone bypass gives you a burst of raw power, perfect for solos, intense breakdowns, or any time you need to cut through the mix. This feature is a favorite among players who want to push their fuzz pedal to the limit and achieve maximum sustain and power with the flick of a switch.

Compact, Durable Design Perfect for Pedalboards
Despite its robust features, the Electro-Harmonix Op-amp Big Muff Pi comes in a compact, pedalboard-friendly enclosure. The die-cast construction ensures that this pedal can withstand the wear and tear of the road, making it a reliable choice for both studio and live performances. The compact size means you don’t have to sacrifice space on your pedalboard while still enjoying all the fuzz power of the full-sized Big Muff. It’s a perfect fit for musicians who need a portable, durable fuzz pedal that delivers the same iconic sound in a smaller package.