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This is an older but well-regarded integrated amp, so timing mainly matters if you want a straightforward, proven two-channel piece rather than a current-model feature set. At US$155, it lands a bit above the US$140 median and inside the US$118 to US$172 typical range, so it reads as fair rather than a bargain or stretch.
What makes it worth a look is the Azur 640A’s reputation for a clean, lively, slightly warm presentation and solid build; it’s the kind of amp that still makes sense in a simple stereo system. If it’s genuinely working well and includes the remote and power cord, that helps a lot. I’d only press on the usual age-related checks: scratchy controls, relay delay, and any signs of tired inputs or speaker terminals.
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.
