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At £1,650, this is on the ambitious side for a 4B ST unless it’s exceptionally clean, recently serviced, or comes with strong provenance; typical used pricing clusters around £900–£1,200, with older references putting used value near £850 depending on condition and warranty status.
That said, the 4B ST is a serious, well-regarded brute: 250Wpc into 8 ohms and 400Wpc into 4 ohms, with the grip, drive, and composure that made Bryston a staple in tough-to-drive systems. It’s a worthwhile buy if the unit is quiet, fully functional, and has been cared for, but at this asking price I’d want evidence of recent servicing, original packaging, or a transferable warranty to make the premium feel justified.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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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