Electro Harmonix OP-AMP Big Muff Fuzz Distortion Electro-Harmonix Computer Music there may be dirt or

there may be dirt or scratches on the product

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By placing it on your instrument or in its case

A Phillips head screwdriver is required for assembly

Audio: WAV

Electro Harmonix OP-AMP Big Muff Fuzz Distortion Electro-Harmonix Computer Music there may be dirt orWith the original Op Amp Big Muff from the late 1970s selling for exorbitant prices, Mike Matthews decided to reissue this classic pedal at a price that more players could afford. The new Op Amp Big Muff's circuitry faithfully replicates that of the original, also known as the IC or V4 Big Muff, and adds some practical features like a compact die cast chassis and true bypass. The Op Amp Big Muff was first used by the brilliant Billy Corgan on the