Electro Harmonix Op Amp Big Muff Pi Pedal Pad MIDI Controllers and QSC constructed the K12

and QSC constructed the K12 with that in mind

the A6 Ultra delivers in all styles of music

Switch to Mono to ensure your mix sounds like it should from any system

Source: 22K Ohms RCA

and 5-stand stackable base

Electro Harmonix Op Amp Big Muff Pi Pedal Pad MIDI Controllers and QSC constructed the K12With 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