The Big Muff Pi 2 is an analog fuzz pedal from Electro-Harmonix that resurrects a never-before-released dual op-amp circuit designed by Big Muff creator Bob Myer in the late 1970s. Discovered as a hand-drawn schematic, this design features two dual op-amps, providing a distinct voicing that separates it from the classic transistor-based and later Op-Amp Big Muff models.

This pedal is intended for guitarists, bassists, and sound designers seeking a Big Muff variant with a sharper edge and a notably pronounced low-end and midrange frequency response. Its clipping is less refined than other models, delivering a uniquely aggressive texture and high output volume while maintaining the signature, long sustain of the Big Muff line. The unit is housed in a compact nano-sized chassis and features a modern, soft true bypass footswitch with both latching and momentary action modes for versatile performance.

Key Features

• Circuit: Analog Dual Op-Amp Fuzz based on a previously unreleased 1970s schematic.
• Tone: Characterized by high output, enhanced low-end, and less-refined clipping for an aggressive texture.
• Controls: Dedicated knobs for Sustain (gain/distortion), Tone (variable filter), and Vol (output level).
• Bypass: Features silent true bypass switching via a mechanical relay.
• Footswitch: Offers user-selectable latching or momentary footswitch operation.
• Chassis: Nano-sized die-cast enclosure with custom artwork.

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