Electro-Harmonix Nano Metal Muff vs Electro-Harmonix Op-Amp Big Muff
The Electro-Harmonix Nano Metal Muff and the Electro-Harmonix Op-Amp Big Muff are both pedals sharing scooped. The Electro-Harmonix Nano Metal Muff leans high gain and crunchy. The Electro-Harmonix Op-Amp Big Muff leans fuzzy and full. Current prices: $64.04 vs $83.09.
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Blended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.45% — somewhat different
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Genres both listings are associated with.- Alternative Rock
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Derived from overlapping tonal signals across both listings.- scooped
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$64.04via Reverb
$83.09via Reverb
The Electro-Harmonix Nano Metal Muff is a compact high-gain distortion pedal delivering aggressive metal tones with the characteristic Muff-derived harmonic density and bottom end. It features Distortion, Tone, and Volume controls in the nano footprint, providing a range from moderately heavy crunch to extreme saturation suited for metal riffs and lead playing. A mid-scoop voicing gives it a scooped, modern metal character. Well suited to heavy metal, hard rock, and high-gain applications where a compact, single-purpose high-gain distortion with established tonal character is needed.
The Electro-Harmonix Op-Amp Big Muff is the late-1970s IC-based version of the Big Muff, famous as the crushing, scooped wall-of-fuzz on Smashing Pumpkins' Siamese Dream. Unlike transistor Muffs it has a more aggressive, mid-scooped, slightly gated voice with massive sustain. It suits alternative rock, grunge and shoegaze players seeking thick, saturated, layered fuzz.
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Genres this gear is documented as being used in.- Metal
- Hard Rock
- Shoegaze
- Grunge
- Rock
- high gain
- crunchy
- saturated
- fuzzy
- full
- aggressive
- lush