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


With original late-70s Op-Amp Big Muffs selling for exorbitant prices, Mike Matthews decided to take the power to the people and reissue the classic pedal at a price that players could afford! The circuitry of the new Op-Amp Big Muff —sometimes also referred to as the IC or V4 Big Muff— has been faithfully re-created while several practical enhancements have been added including a compact, die-cast chassis and true bypass switching. 

Quick Specs 
- A faithful reissue of the original classic circa 1978 
- Iconic sound and vibe that’s coveted by guitarists 
- Controls for Tone, Sustain and Volume, plus a Tone Bypass switch. 
- True bypass switching for maximum signal integrity in bypass mode 
- Rugged, compact, die-cast package… pedalboard friendly 
- Ships with a 9Volt battery, also accepts an optional EHX9.6DC-200 AC Adapter 
- Dimensions in inches: 2.75 (w) x 4.5 (l) x 2.1 (h) 
- Dimensions in mm: 70 (w) x 115 (l) x 54 (h) 

User Manual: https://www.ehx.com/support/?_download=op-amp-big-muff-pi#Product-Downloads

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