Electro Harmonix Op Amp Big Muff Pi Distortion/Sustainer Effect Pedal PX 870 the contents may vary based

the contents may vary based on stock

From the original Memory Man to the Deluxe Memory Man

Deluxe oblong case

Flamed Maple Back & Sides

A compressor in front or after the B9 can help smooth this out

Electro Harmonix Op Amp Big Muff Pi Distortion/Sustainer Effect Pedal PX 870 the contents may vary basedWith 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. The Op Amp Big Muff