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Compared with a lot of same-age integrateds around £120, this Cambridge sits a touch above the local market, since the recent comparable GBP median is £103 and the 75th percentile is £117. At £120, it’s only slightly ambitious rather than wildly overpriced, but it’s not the obvious bargain unless the condition is unusually clean or it includes the original remote and box.
The 640A is well-liked for its lively, detailed, slightly warm-leaning presentation, with enough drive to make sensible speakers sound bigger and more engaging. It’s a solid buy for someone wanting a musical older integrated with real hi-fi credibility; if it’s been serviced, lightly used, or comes from an attentive owner, that adds real value.
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.
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