Based on the late-'70s op-amp Muff

Earlier transistor-loaded Muffs are regarded for their smoother bite and more controlled sustain. Yet a key ingredient in Corgan's Siamese Dreamtone was the op-amp-loaded, late-'70s Big Muff Pi. The EHX Op-Amp Muff captures the grit and gain of Corgan's classic in a compact new pedalboard-friendly footprint.

Plenty of sweet spots in these pots

Corgan's Siamese Dream tone was rarely a single full-range performance, but more commonly, the stacking of 5, 10, or 20 guitar parts at varying stages of gain and contour. The EHX Op-Amp Big Muff Pi affords limitless options for tone stacking, from hot snarling leads to plaintive, lingering pedal-point drones. A feature that Sweetwater reviewers particularly enjoyed was the tone bypass switch, which temporarily bypasses your settings for bursts of raw power.

Electro-Harmonix Op-Amp Big Muff Pi Fuzz Pedal Features:

• Captures Billy Corgan (Smashing Pumpkins)'s iconic fuzz sound
• Based on the late-'70s op-amp equipped V4 IC Big Muff Pi
• Easier-traveling compact size
• Durable die-cast construction
• True bypass switching preserves tone between uses
• Independent Volume, Tone, and Sustain (gain) controls
• Tone bypass switch temporarily toggles the tone circuit for added power
• Powered by a 9-volt battery (included) or standard 9-volt adapter (sold separately)

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