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Condition is unknown, and that matters here because at £517 this is sitting just above the £445 median and a touch above the £519 75th percentile of your recent GBP comps. That makes it fair-to-ambitious rather than a bargain; it’s close enough to the top of the market that I’d want something extra in the listing—exceptional cosmetics, recent servicing, original box, or a proven history—to justify paying it.
The 651A is a well-regarded, honest-sounding integrated: plenty of usable power, good grip, and a clean, slightly lively presentation that pairs well with a wide range of speakers. For a buyer, the upside is mainly in getting a solid mainstream amp that can still feel very capable if it’s been looked after; the main things to check are relay/selector reliability, scratchy controls, and whether the unit has been properly tested.
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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