RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
4B Cubed Dual-Mono AmplifierBalanced XLR and Single ended RCA input2 Channels each with fully independent power supplies including transformers300W into 8 ohms (and up to 500 into 4 ohms) per channelThe patented Salomie circuit found in all Cubed Series amplifiersSwitchable gain (23dB or 29dB)Fully convection cooled means no noisy fansMachined and anodized aluminum enclosure and dress panelLess than 500mW standby power consumptionSoftStart microprocessor controlled startup sequence won't trip circuit breakersDC trigger for automated turn on and turn offThis unit has been tested and is in excellent working condition and cosmetic condition is a 9/10. Used as a floor model in our storefront, and is an astonishing piece of equipment.* Ships in the original factory box.
The unknown condition on this used Bryston 4B3 at USD5,225 implies a premium price tag—sellers often hide flaws or wear to justify it, so tread carefully. Against our recent comps (median USD4,498, ranging from 25th percentile USD4,231 to 75th USD4,862), it's ambitious, sitting well above the typical used market for this robust monoblock amp. You'd need pristine shape, full service history, or rare extras to make it worthwhile; otherwise, negotiate down or walk.
Before biting, verify output transistors (a known Bryston weak spot if abused) and test for channel balance under load—many 4B3s have seen heavy party duty. Insist on original box, manual, rack handles, and recent recap or calibration records; without them, it's a gamble on a 20-year-old workhorse.
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.
audio-markt.de
Good
eBay US
eBay US
audio-markt.de
New
DE
audio-markt.de
Good
audio-markt.de
Good
