RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
The £100 asking price sits just below the median of £102 from your recent GBP listings, making this a fair and solid deal rather than a bargain, since it is well above the 25th percentile of £88. In the current used market, prices typically range from £88 to £109, so £100 is a competitive entry point for a well-loved integrated amplifier.
The Denon PMA-510AE is respected for its high-current single-push-pull circuit, delivering musical detail and wide dynamic range with 45W per channel into 8 ohms. It includes a phono input for MM turntables, tone controls, and Source Direct mode, making it a versatile hub for desktop or small-room hi-fi. At this fair price, especially if the unit is from an original owner with intact accessories, it represents a genuine buying opportunity for enthusiasts seeking reliable performance without overspending.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Denon traces its origins to 1910, when American entrepreneur Frederick Whitney Horn founded Japan's first audio equipment company, Nipponophone, initially focused on gramophones and records. The Denon brand emerged in 1939 from the merger of Japan Denki Onkyo—combining "den" for electricity and "on" for sound—with other entities, marking a shift toward professional audio development. This heritage includes pioneering Japan's first professional disc recorder in 1945, used to capture Emperor Hirohito's voice, and launching the nation's first long-playing records in 1951.
The brand excels across a broad spectrum of hi-fi categories, from amplifiers, turntables, and tuners to loudspeakers, cassette decks, and phono cartridges. Denon's innovations extend to digital frontiers, such as the world's first practical PCM recorder in the early 1970s, the inaugural CD player in 1981, and early home theater systems with Dolby Digital in 1995. Today, its lineup encompasses AV receivers, headphones, wireless streaming solutions like HEOS, and high-channel processors, blending professional-grade components with consumer accessibility.
Denon holds a commanding position as a mid-to-high-end mainstay in the hi-fi market, revered for its blend of technological firsts, robust build quality, and balanced sound signatures that appeal to discerning enthusiasts. No longer a vintage collector's niche, it competes confidently against premium rivals, backed by over a century of audio leadership and strategic partnerships like its merger with Marantz.
See all Denon listings on RADAR.
