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Rosac Nu-Fuzz

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Page last updated Mar 31, 2026

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Description

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Unleash vintage fuzz tones with the Rosac Nu-Fuzz, a meticulously crafted fuzz effects pedal that stands out in the world of guitar gear. Known for its distinctive silicon transistor design, this pedal captures the raw, edgy sound that defined the classic rock era, while offering modern reliability. Built for both enthusiasts and seasoned musicians, the Nu-Fuzz provides a versatile range of fuzz tones from subtle warmth to full-on gritty growl.

Its intuitive layout features three adjustable knobs for volume, fuzz, and tone, allowing you to sculpt your sound with precision. The true bypass switching ensures your signal remains pure when the pedal is disengaged. Whether you're laying down riffs in the studio or performing live, the Nu-Fuzz delivers consistent performance that's sure to impress.

Housed in a robust and road-ready enclosure, the Rosac Nu-Fuzz is perfect for musicians who require durability without sacrificing sound quality. This pedal is not just about nostalgia; it's about bringing back the authentic fuzz experience with a touch of modern flair.

Key Features:

Silicon transistor design for classic fuzz tones
True bypass switching for signal integrity
Adjustable volume, fuzz, and tone controls
Durable, road-ready enclosure
Versatile tonal range from subtle to aggressive fuzz

Product specs

Analog/Digital

analog

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John Seventy

1969-1971 Rosac/Ed Sanner Nu-Fuzz

John Seventy

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Rosac Nu-Fuzz.

Comparisons

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The Earthquaker Devices Spires is noted for its dual footswitch design, with the green side replicating the Nu Fuzz's high gain, ratty crunch.
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User experience

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Owners highlight the Spires' versatility and permanence on pedalboards, often replacing the need for multiple fuzz pedals.
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Even with substituted values, the DIY version delivers a thick and rich sound reminiscent of the original, evoking nostalgia for those familiar with vintage tones.
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Value and pricing

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The Earthquaker Devices Spires, a Nu Fuzz clone, is available used at around $140, offering a cost-effective alternative to the original.
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Build quality

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The original Rosac Nu-Fuzz circuit was obscured with polyester film to prevent copying, making it difficult to measure component values without disassembly.
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Mods and upgrades

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The circuit can be built with 2n3904 transistors for Q1 and Q2, and resistor substitutions like 750k for 788k, 740k, and 620k for 626k, affecting tonal output.
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Use cases and applications

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The pedal's unique circuit provides a distinct fuzz sound, different from typical fuzz pedals like Fuzz Face, offering a richer, more complex tonal palette.
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Critic Reviews

Seminal, Vintage Pedals: The Rosac Nu Fuzz (from Gearphoria) | Delicious Audio

delicious-audio.com

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Jake E. Lee

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Ozzy Osbourne

Verified via Naver

Used on "Exithouse", as specified in this July 20, 2012 breakdown of a A Fine Pink Mist gear list printed in the October 1996 issue of Young Guitar.