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Te koop: quad pa-one+ hoofdtelefoonversterker met ingebouwde dac. In nieuwstaat. Buizen vervangen door tung-sol, originele buizen nog aanwezig. Geen verpakking, wel handleiding erg fijn in combinatie
Should you pay €900 for this Quad PA-One+ when the market median is only €454? At €900, this listing sits well above the 75th percentile of €722, making the price ambitious compared to typical used EUR listings for this product. While new units retail around €1,099–€1,700, the €900 asking price offers little discount over the current high-end market floor, so it is not a bargain.
However, the Quad PA-One+ remains a worthwhile buy for enthusiasts seeking its unique blend of classic vacuum tube warmth and modern ESS Sabre DAC clarity. It excels as both a premium headphone amplifier and a versatile preamp, supporting high and low impedance headphones with 500mW output. The solid-state rectifier upgrade in the + model improves reliability without compromising sound, and if this listing includes original accessories or is from an original owner, it adds meaningful value that justifies the higher price for a clean, well-regarded unit.
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.
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