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The Azur 640A is a notably capable, clean-sounding integrated amplifier rather than a merely ordinary budget box. At £145, though, it is above the 41-listing median of £104 and the 75th-percentile figure of £128, so the asking price is ambitious unless this is an especially tidy example with its remote and clear evidence of good operation.
Its strengths are a lively, detailed presentation, useful power—around 65 watts per channel into 8 ohms—and plenty of analogue connectivity. It can make an excellent match for moderately easy-to-drive speakers, with a solid, engaging sound and respectable build quality. Check whether this is the original 640A or 640A V2, test both channels, controls and headphone output, and confirm the remote is included; at £145, a fully working, clean V2 would be easier to justify, but otherwise negotiation toward £104–£128 would be sensible.
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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