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The 651A is an older, roughly 2011-era Azur design, so its age matters, but £292 is clearly ambitious: it sits above the £268 75th-percentile asking price and well above the £191 median. Unless this example is exceptional, a price closer to £200–£250 would look more persuasive.
It remains a capable, well-built integrated amplifier, with 75 watts per channel, authoritative drive, speaker A/B switching, a subwoofer output, and a useful USB input with its modest 16-bit/48kHz DAC. The clean, clear presentation and strong low-end control are genuine virtues. At £292, insist on excellent cosmetic and operational condition, the original remote, and a proper demonstration of both channels, input switching, USB, and protection behaviour; otherwise, negotiate firmly.
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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