QSA 10x38mm Fuses
QSA 10x38mm Fuses
QSA 10x38mm Fuses
QSA 10x38mm Fuses

Quantum Science Audio

QSA 10x38mm Fuses

$213.00
Frais d'expédition calculés à l'étape de paiement.
1 avis
QSA Level: Yellow
Amp Rating: 2 Amp
QSA 10x38mm fuses treated with MMMAT (Musical Metal Molecule Alignment Technology) and MAT (Metal Active Technology). More efficient electron flow, greater conductivity, elimination of narrow-band distortions. Available in multiple treatment levels. Special order, non-returnable. Upgradeable via trade-in.
  • 5 stars: 1 (100%)
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  • 1 star: 0 (0%)
S
SERGEI D.
Tweek Geek: 5/5 — absolutely top-tier service

I’ve purchased quite a bit of QSA Gold gear from Tweek Geek, and honestly…
I’m still in shock.
Delivery to Germany (Düsseldorf) was lightning fast, the service was flawless, and Mike was absolutely fantastic to deal with — knowledgeable, honest, and clearly passionate about high-end audio.
This already set a great tone, but what came next truly blew my mind. QSA Gold is not subtle.

This is not a “maybe I hear something” tweak.

The change is immediate and unmistakable: a dramatically lower noise floor, explosive yet natural dynamics, incredible clarity, and a sense of ease and flow that makes the music feel alive. Soundstage opens up, images lock into place, decay hangs in the air exactly as it should — it’s deeply emotional and utterly addictive. Every time I add another QSA Gold piece, the system takes a huge leap forward. More realism, more presence, more emotion. It feels like removing layers between you and the music. I catch myself smiling, shaking my head, and rediscovering recordings I thought I already knew. Without hesitation, I can say this: QSA Gold is one of the most powerful upgrades I’ve ever made.
Massive respect to Tweek Geek and QSA.

Tweek Geek: 5/5 — absolutely top-tier service
QSA Gold: 5/5 — reference-level, transformational Highly, highly

recommended to serious audiophiles.

QSA 10x38mm Fuses

Like the smaller 5x20mm fuses, QSA's 10x38mm fuses are treated with their proprietary MMMAT and MAT processes. Same technology, larger form factor for components that use the 10x38mm size — typically power amplifiers, power conditioners, and some larger integrated amplifiers.

The Technology

MMMAT (Musical Metal Molecule Alignment Technology) creates more efficient electron flow through the fuse element, providing greater conductivity and eliminating narrow-band distortions. MAT (Metal Active Technology) addresses the metal structures at a molecular level. Both processes work together to produce a fuse that measures as a standard protection device and sounds dramatically different from one.

"Many high-end audio tweaks I've heard sound great, but none have matched QSA's remarkable performance. I repeat, none." — Clement Perry, StereoTimes

Available Levels

Yellow through Gold, same hierarchy as the 5x20mm fuses. Start at Red or Black/Red if you want to hear what QSA does without equivocating. The Yellow is meaningful; the upper levels are significant.

Specifications

  • Size: 10x38mm
  • Available ratings: Multiple amperage ratings — match your component's specification exactly
  • Levels: Yellow, Red, Black/Red, Gold, Crystal Gold Red
  • Note: Special order, non-returnable, upgradeable via trade-in

Not sure which amperage or which level to start with? Reach out before ordering.