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At £550, this Quad QSP is a fair buy, sitting just below the 75th percentile of £612 but comfortably above the median of £388 based on 188 recent GBP listings. It is not a bargain, but the price reflects the market reality for a well-kept unit with original packaging and the rare Quadlink cable.
The QSP remains a respected stereo power amplifier known for its clean, musical sound and robust build, often paired with Quad’s elite pre-amps for a cohesive system. Including the original box and Quadlink cable adds tangible value and rarity, signaling a careful original owner. With no red flags in the listing and a price that aligns with typical used demand, this is a solid opportunity for an enthusiast seeking a reliable, classic British amp without overpaying.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Quad, the venerable British hi-fi brand, traces its origins to 1936 in London, when engineer Peter J. Walker founded S.P. Fidelity Sound Systems, soon renamed the Acoustical Manufacturing Company. Relocating to Huntingdon in 1941 after wartime bombing, the firm shifted from public address gear to domestic audio amid post-war demand for superior sound reproduction. Walker's pioneering ethos—prioritizing "the closest approach to the original sound"—defined Quad from its early QA12 amplifiers, adopted by the BBC, to the iconic Quad I of 1953.
The brand excels in amplifiers and electrostatic loudspeakers, revolutionizing both categories. The Quad II power amplifier of 1953 introduced cathode coupling for vanishingly low distortion, while the 1956 ESL 57 delivered the world's first full-range electrostatic speaker, employing a massless film diaphragm for unparalleled transparency and transient speed. Quad advanced into solid-state with the 1967 303 and transistor designs featuring innovative "Triples" output stages, later expanding to integrated amps like the 99 series, moving-coil speakers, and modern electrostatic models such as the ESL 988 and 989.
Today, under the International Audio Group since 1997, Quad holds a prestigious position in the high-end market, revered by audiophiles for its unyielding pursuit of accuracy over trends. Its heritage components command vintage collector status, yet contemporary offerings maintain a niche boutique appeal among discerning buyers seeking refined, distortion-free reproduction that honors Walker's legacy.
See all Quad listings on RADAR.
audio-markt.de
Good
audio-markt.de
Good
DE
audio-markt.de
↓ 13%
Good
eBay UK
eBay UK
GB
eBay UK
GB
