


Electro Harmonix Op Amp Big Muff Pi
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Electro Harmonix Op Amp Big Muff PiA faithful recreation of the famous Op Amp Big Muff Pi. The pedal relies on op amps rather than transistors and three gain stages rather than four, to create its signature sound. Its a sound thats been described by noted Big Muff collector and historian, Kit Rae, as: a huge, crushing Big Muff sound with more crunch great for grungy, wall of sound distortion, heavy rhythm playing and heavy leads. Made famous by The Smashing Pumpkins. Video: https:
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
Fit in pocket
Color: Dark Gray, Style: Classic
Bought as a gift. My husband really liked it, held all his cards. The leather was very nice. Color was very soft gray and I liked it better than the normal black or brown. Wallet fit well into his back pocket.
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Reviewed in the United States on April 29, 2026
★★★★★ 3
OK but not right for me
Color: Black, Style: Classic
Very stiff. Feels bulky. Well constructed and good quality.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Wallet
Color: Coffee Brown, Style: Classic
I love how it feels. Great looking wallet
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Reviewed in the United States on April 23, 2026
★★★★★ 5
High quality wallet
Color: Brown, Style: Classic
High quality, leather and good space.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Men's Wallet
Color: Coffee Brown, Style: Retro
Very pleased. Great quality!
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Reviewed in the United States on May 24, 2026
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