Electro-Harmonix Big Muff Pi vs JAM Pedals Eureka! Fuzz v2
The Electro-Harmonix Big Muff Pi and the JAM Pedals Eureka! Fuzz v2 are both pedals sharing fuzzy, full, sustaining. The Electro-Harmonix Big Muff Pi leans smooth and scooped. The JAM Pedals Eureka! Fuzz v2 leans octave and mid-forward. Current prices: $75.01 vs $219.
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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.- Rock
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Derived from overlapping tonal signals across both listings.- fuzzy
- full
- sustaining
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$75.01via Reverb
$219via Reverb
The Electro-Harmonix Big Muff Pi is one of the most iconic fuzz pedals ever made, first released in 1969 and known for thick, creamy distortion with enormous, violin-like sustain. Its three controls are Volume, Tone, and Sustain, and its multi-stage clipping produces a smooth, saturated wall of fuzz with a characteristically scooped midrange. It ranges from singing lead tones that bloom and feed back musically to dense rhythm walls and lighter retro fuzz. A staple across psychedelic rock, stoner, doom, shoegaze, grunge, and alternative, it has been used by David Gilmour, Jack White, Billy Corgan, J Mascis, and Carlos Santana among many others. The Big Muff is prized for sustain and thickness rather than tight articulation, and its smooth voicing keeps chords musical where a typical distortion would sound harsh.
The JAM Pedals Eureka Fuzz V2 is a handmade Greek boutique fuzz pedal based on the Shin-ei FY-6 Super Fuzz circuit from the late 1960s. It delivers a thick, harmonically rich upper-octave fuzz with strong midrange character and a distinctive woolly texture. The dual-octave coloring gives guitar notes a singing, almost synth-like shimmer when played in higher positions. JAM Pedals hand-assembles each unit in Athens, Greece, using carefully selected components to maintain circuit authenticity. The Eureka Fuzz V2 suits psychedelic rock, garage rock, and classic fuzz tones where upper harmonic content and mid-forward aggression are priorities. It responds well to guitar volume knob adjustments and rewards players who want a pedal with a pronounced, character-driven identity rooted in vintage Japanese fuzz design.
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Genres this gear is documented as being used in.- Psychedelic Rock
- Shoegaze
- Grunge
- Alternative Rock
- Garage Rock
- Indie Rock
- smooth
- scooped
- bright
- saturated
- octave
- mid-forward
- harmonically rich