Modulus Quantum

$2,199.00 Price Tier: High-end

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Page last updated Jun 05, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 5, 2026.

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Price

$2,199.00 15 available Used

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Average Price: $2,199

High-end/Boutique

$400

$1001+

Price Tier

In the Electric Basses category, Modulus Quantum is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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High-end

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Description

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The Modulus Quantum bass guitar is a marvel of modern engineering, merging cutting-edge technology with exceptional craftsmanship. Known for its state-of-the-art carbon fiber neck, the Quantum offers unparalleled stability and precision, ensuring that your performance remains consistent no matter the conditions. This neck-through-body design is not only aesthetically pleasing but also enhances sustain and resonance, making it a top choice for professional musicians seeking reliability and superior sound quality.

Crafted with an eye for detail, the Modulus Quantum sports a sleek, ergonomic body that fits comfortably against you, allowing for hours of effortless play. Its electronics are equally impressive, offering a versatile array of tones that can adapt to any genre, from punchy funk riffs to deep, resonant jazz lines. With custom options available, each Quantum bass is as unique as the artist who plays it, reflecting a commitment to personalized musical expression.

Whether you're playing in a studio or enthralling audiences on a stage, the Modulus Quantum promises to deliver a performance that is both powerful and precise.

Key Features:

Carbon fiber neck for exceptional stability
Neck-through-body design
Customizable electronics for versatile sound
Ergonomic body for comfortable play
Modern, innovative design concept

Product specs

Brand	Modulus
Model	Quantum Five-String
Year	1993
Categories	5- and 6-String Basses, Active Bass Guitars
Active / Passive Pickups	Active Pickups
Active Preamp	Active Preamp
Body Shape	Double Cutaway
Color Family	Natural
Fretboard Material	Rosewood
Number of Frets	24
Number of Strings	5-String
Pickup Configuration	HH
Right / Left Handed	Right Handed

FAQs

What are the tonal characteristics of the Modulus Quantum bass?: The Modulus Quantum offers a bright and articulate tone, thanks to its graphite neck and active EMG DC pickups. This combination provides clarity and sustain, making it ideal for genres that require sharp definition and punch.
Is the Modulus Quantum suitable for slap bass techniques?: Yes, the Modulus Quantum is well-suited for slap bass techniques. Its active electronics and graphite neck provide a quick response and bright tone, which are ideal for the percussive sounds of slap bass.
What kind of neck does the Modulus Quantum have?: The Modulus Quantum features a graphite neck, which offers stability, consistent performance, and a smooth feel. This neck construction is known for reducing dead spots and enhancing sustain.
How does the pickup configuration of the Modulus Quantum affect its sound?: The Modulus Quantum is equipped with two EMG DC pickups in an HH configuration, providing a wide range of tones from deep lows to crisp highs. This setup is versatile for various music styles.
Is the Modulus Quantum bass comfortable for long playing sessions?: Yes, the Modulus Quantum is designed with playability in mind, featuring a double cutaway body shape and a lightweight graphite neck, making it comfortable for extended playing sessions.

Videos

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LowEndLobster

Modulus Quantum Q5 In Depth - Timeless Carbon Fiber Goodness - LowEndLobster Fresh Look

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Modulus Quantum.

Build quality

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The Modulus Quantum's graphite neck is renowned for maintaining perfect intonation and stability over 16+ years without needing a truss rod adjustment.
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The Modulus Quantum's burled redwood top is crafted from 1800s river-reclaimed wood, offering a unique historical aesthetic.
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Features and functionality

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The Quantum's even tonal response is highlighted, offering consistent note quality across the neck, unlike many traditional wooden basses.
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The Aguilar OBP preamp paired with Bartolini pickups delivers a punchy and creamy sound ideal for various styles.
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The Genesis neck combines maple with carbon fiber, providing a resonant sound and the stability of graphite reinforcement, making it suitable for extensive touring.
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Comparisons

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Compared to EBMM Stingrays, the Modulus Quantum 5 is described as superior in sound, playability, and feel, particularly for those seeking a more boutique experience.
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Users have noted that other graphite or carbon fiber necks can't match the sustain of a Modulus neck.
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Mods and upgrades

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Switching from Bartolini to EMG pickups has been reported to enhance punch and mix presence significantly in the Modulus Quantum.
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A Hipshot tuner installed allows for quick drop D tuning, adding versatility for players who frequently shift between tunings.
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User experience

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Owners report the bass reacts dynamically to different strings and playing styles, making it highly adaptable but requiring thoughtful setup for optimal performance.
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Owners describe the Quantum's ability to provide a solid tonal foundation, adjusting knob settings to match the mood during jams.
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Owners describe the Modulus Quantum as a "lifer" bass, often retaining it for many years due to its reliability and performance across varied climates and extensive gigging.
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One owner reports that their Modulus Quantum Sweet Spot 6-string offered "serious business" performance, implying high satisfaction and reliability over the years.
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Use cases and applications

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The Quantum's fast playability and pure tone are ideal for players seeking precision and clarity, catering well to gigging musicians due to its robustness and travel resilience.
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One owner uses the Quantum for jammy groove instrumental music, citing influences from bands like The Meters and Medeski Martin & Wood.
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Setup and maintenance

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A Genesis 5 model with a composite maple neck required no adjustments in over 15 years, showcasing its enduring setup stability.
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Artist usage

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Alex Webster

Bassist

Cannibal Corpse

Verified via No Treble

I didn’t have the money at the time to get that Spector, but there was a Modulus that was actually less expensive. I went to the guy at the music store and I said, “Man, I don’t think I can afford one of these American-made Spectors right now.” He said, “Try this Modulus out, it’s also good for the kind of metal you’re playing.” I tried out a Modulus Quantum 5 and asked if I could get it in black. I used that one from 1996 until just a few years ago. It never really recorded quite as well as I wanted. It sounds great live but we always had to do more EQing than I liked in the studio.

Stefan Lessard

Bassist

Dave Matthews Band

Verified via Bassplayer

In the article "Still Learning: From Stadiums To The Studio, Stefan Lessard Isn’t Done Exploring" on Bassplayer, it is noted that Stefan Lessard uses the Modulus Quantum electric bass.