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Why this one
Excellent condition - light signs of use, no obvious issues
Fully tested - all applicable functions verified working
Class A moving magnet phono stage with 0.009% distortion and 85dB signal to noise.
Compact 0.8kg phono stage that suits any vinyl setup without a built-in phono input.
Condition: Excellent
This preamp is in excellent condition. It has passed our 8-point functional test, with 3 item(s) not applicable to this unit. Note: Fully tested. It powers on and everything we checked works as it should. There are a few light surface marks and scratches from use, none of which affect how it works. Please review all photos carefully, as they provide an accurate representation of the cosmetic condition of the product.
What's included
Cambridge Audio Azur 540P
No additional accessories included
About this model
The Cambridge Audio Azur 540P is a Class A phono preamplifier built for moving magnet (MM) cartridges, letting a turntable connect to an amplifier or receiver that has no phono stage of its own. It provides 39dB of gain with 3.35mV input sensitivity and delivers a 300mV line-level output over RCA connections. Quoted figures include a 20Hz to 20kHz frequency response, 0.009% total harmonic distortion and an 85dB signal to noise ratio. The compact 215 x 46 x 133mm chassis weighs just 0.8kg, so it fits easily alongside a turntable or inside an existing hi-fi rack.
A great opportunity to own a Cambridge Audio Azur 540P at this price point.
New, the Cambridge Audio Azur 540P was an affordable entry-level phono stage rather than an expensive component; at US$78 used, this is a fair price, sitting just above the US$76 median and comfortably within the recent US$66–US$97 market range.
It remains a worthwhile MM-only option: the Class A gain stage, passive RIAA equalisation, low distortion, and solid signal-to-noise performance give it clean, lively, non-fatiguing sound for a modest vinyl setup. Its compact case and straightforward RCA connections are useful, and it can outperform many generic budget phono stages. Confirm that the original power supply is included and that both channels are quiet; the 540P does not support moving-coil cartridges, so MM compatibility is essential.
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.
