Pricing and availability
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Store
Reviews
Price
Average Price: $223
High-end/Boutique
$60
$181+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 1 merchant for "JAM Pedals Eureka! Fuzz". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.
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Description
Unleash your creativity with the JAM Pedals Eureka! Fuzz, a dynamic fusion of germanium-fuzz sound and rugged muff-style fuzz. This versatile pedal is perfect for guitarists seeking to explore a wide sonic palette, offering a seamless blend of singing tones and robust textures. The intuitive three-way toggle switch allows you to gradually enhance the bass response, making it an excellent choice for switching between single-coil and humbucker-equipped guitars.
With controls for Level, Tone, and Gain, you have the flexibility to dial in the perfect fuzz tone for any style or genre. The Eureka! Fuzz is equipped with an LED indicator for effect on/off status and a footswitch for true bypass, ensuring your tone remains pristine when the pedal is not engaged. Designed with practicality in mind, it features standard input and output jacks as well as a power adapter connection, making it easy to integrate into your existing setup.
Whether you're crafting intricate soundscapes or delivering raw, gritty riffs, the JAM Pedals Eureka! Fuzz provides the tools you need to express your musical vision with clarity and power.
Key Features:
- Combines germanium-fuzz sound with muff-style fuzz
- Three-way toggle switch for adjustable bass response
- Controls: Level, Tone, Gain
- LED indicator for effect on/off
- True bypass footswitch
- Standard 6.3 mm input and output jacks
- Power supply: 9 V battery or DC (not included)
- Power consumption: 8 mA
Product specs
| Available since | September 2018 |
| Overdrive | No |
| Distortion | No |
| Fuzz | Yes |
| Metal | No |
FAQs
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What kind of sound can I expect from the JAM Pedals Eureka! Fuzz?
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The JAM Pedals Eureka! Fuzz delivers a rich, dynamic mid-range typical of germanium fuzz pedals, combined with the gritty, full-bodied distortion reminiscent of Muff-style circuits.
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Is the JAM Pedals Eureka! Fuzz suitable for both rhythm and lead guitar parts?
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Yes, the Eureka! Fuzz is versatile enough to handle both rhythm and lead guitar parts, offering a wide range of tones that are both expressive and powerful.
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Does the JAM Pedals Eureka! Fuzz work well with other effects pedals?
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While it generally integrates well with other pedals, placing a buffer before it might alter its sound due to impedance changes. It's best used with true bypass pedals or with the fuzz first in the signal chain.
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Can the JAM Pedals Eureka! Fuzz be used for metal music?
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The Eureka! Fuzz is not specifically designed for metal, as it focuses more on classic fuzz tones. However, it can add a unique character to metal tones when used creatively.
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Is the JAM Pedals Eureka! Fuzz handmade?
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Yes, the JAM Pedals Eureka! Fuzz is handmade and hand-painted, offering unique aesthetics and high-quality craftsmanship typical of boutique pedals.
Videos
JAM pedals
JAM pedals Eureka! | First Impressions with Greg Koch
Reviews
PROS
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Wide range of sounds, from light to heavy fuzz
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Maintains clarity across all gain settings
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Compatible with other pedals in the chain
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Unique design and high-quality craftsmanship
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Features mid-range control lacking in many fuzz pedals
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Two-level bass boost switch enhances versatility
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Dynamic response to picking and guitar volume changes
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Musical tone control
CONS
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Gain control can be abrupt in the last 10%
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Requires high volume setting to match bypass signal
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Bass boost and high input can cause gating effect
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about JAM Pedals Eureka! Fuzz.
Features and functionality
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Eureka Fuzz combines characteristics of germanium fuzz and Big Muff, offering mids with more body and a versatile three-way bass control.
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The Eureka! Fuzz's ability to blend germanium-like sounds with Big Muff characteristics makes it a standout for players who want both vintage and modern tone options.
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Comparisons
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Described as having a unique blend of old-style germanium fuzz and Big Muff, appealing to those seeking a mix of vintage and modern fuzz tones.
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The JHS Supreme, a clone of the Univox Superfuzz, was replaced by the Eureka for its distinctive artistic design and novel approach compared to typical clones.
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Owners have compared the JAM Pedals Eureka! Fuzz to Big Muff, noting it offers a superior sound-to-versatility ratio, surpassing the Muff in tonal flexibility.
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Use cases and applications
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Ideal for players looking to cut through a mix while retaining a full-bodied sound, suitable for genres requiring pronounced midrange presence.
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Users enjoy chaining the Eureka with the JAM Fuzz Phrase to achieve a range from gatey, spitty fuzz to vintage lead tones, ideal for versatile soundscapes.
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User experience
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The Eureka Fuzz is favored over the JHS Supreme for its unique sound and compatibility with various playing styles, offering more flexibility in tone creation.
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It's reported that the Eureka excels in combining vintage and modern fuzz sounds, making it a go-to pedal for those seeking a comprehensive fuzz experience.
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Critic Reviews
5.0 out of 5
Based on 1 Review and 2 Ratings
Artist usage
Add artist
Josh Homme is confirmed to use the JAM Pedals Eureka! Fuzz, as indicated by a post from JAM Pedals on Instagram, which states, "We just learned that Josh Homme is currently using our Eureka! Fuzz." This confirmation was shared in relation to Josh’s ‘Catacombs Tour’ pedalboard, which includes the Eureka! Fuzz as part of his setup.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use JAM Pedals Eureka! Fuzz, it is most commonly used with the following gear.