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Sonics 400x ( BRYSTON 3B NRB) Stereo Amplifier
Bryston 3BNRB 3 views

Sonics 400x ( BRYSTON 3B NRB) Stereo Amplifier

USD$795
Location
US
Seller
quantumheat100
Source
eBay US
Posted
2d ago
Last seen
2h ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Our Thoughts RADAR AI

It’s a buyer’s market for this kind of older Bryston, and US$795 looks fair-to-good rather than cheap. Comparable used 3B NRB/3B-family sales show a lot of action around the US$700–US$900 band, with examples at US$725 and US$850, so this asking price sits right in the normal lane rather than at a bargain extreme.

That said, it’s still a worthwhile buy if the amp is clean and unmolested: these Brystons are prized for rugged build, honest drive, and the ability to run speakers with real grip and composure. The upside is strongest if it has been serviced lightly, comes from a careful owner, and includes the original box or paperwork. At this price, I’d mainly want confirmation of proper operation, quiet channels, and no evidence of repair abuse.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Bryston

Bryston emerged from Canada's medical electronics sector, where it began producing high-tech blood analyzers in 1962. The pivot to high-performance audio came in 1976, sparked by James Tanner's quest to drive demanding electrostatic speakers. Drawing on medical-grade components, the debut of the 4B amplifier at the Chicago Consumer Electronics Show marked the brand's entry into hi-fi, quickly earning acclaim from critics like Peter Aczel and establishing its Canadian manufacturing legacy.

Renowned for robust amplifiers and preamplifiers, Bryston has expanded into digital components such as DACs and streamers, as well as powered speakers. This evolution reflects a commitment to both analog purity and modern digital demands, serving consumer, professional, and commercial markets—from home listening to stadium sound reinforcement—while maintaining a focus on uncompromised musical accuracy.

Positioned firmly in the high-end audio arena, Bryston commands respect for its no-nonsense engineering, timeless designs, and unparalleled reliability, backed by industry-leading warranties. Music and movie enthusiasts trust it for scientifically verifiable sound quality that endures for decades, cementing its status as a benchmark for discerning buyers seeking longevity without compromise.

See all Bryston listings on RADAR.

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