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This is a slightly ambitious ask. At £180, it sits above the £176 75th percentile of your recent UK comps, so it’s not wildly out of line, but it’s priced at the top end of the current used spread rather than as a clear value buy.
That said, the 650A is a well-liked integrated: clean power delivery, a straightforward no-nonsense layout, and enough refinement to make it a sensible step-up amp for a decent source and speakers. If it’s genuinely tidy and all inputs, controls, and the relay/volume operation are behaving properly, the appeal is real; just make sure there’s no scratchy pot, relay delay issue, or past repair history hiding behind the unknown condition.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Cambridge Audio emerged from the innovative spirit of 1960s Britain, founded in Cambridge, United Kingdom, by a group of young engineers who spun off from Cambridge Consulting Group. Established in 1968, the brand launched with the groundbreaking P40 integrated amplifier—the first to employ a toroidal transformer, setting a new standard for dynamic power delivery in hi-fi design that endures in high-end gear today. This heritage of British engineering excellence propelled decades of award-winning products, navigating ownership changes including a revival under entrepreneur Vince Adams and acquisition in 1994 by Julian Richer and James Johnson-Flint of Richer Sounds.
The brand excels across core hi-fi categories, renowned for integrated amplifiers like the iconic A1 and P-series, alongside streaming DACs, network players, turntables, and all-in-one systems that prioritize pure analogue warmth and digital precision. Speakers, headphones, and cables round out a cohesive ecosystem, emphasizing accessible high performance without excess frills.
Positioned firmly in the mid-tier market, Cambridge Audio delivers premium British sound—detailed, rhythmic, and uncolored—at prices that democratize quality for discerning buyers. Free from corporate bloat, it holds a reputation for reliability and value, appealing to enthusiasts seeking sophisticated hi-fi that punches above its weight rather than chasing ultra-high-end esoterica.
See all Cambridge Audio listings on RADAR.
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