Expired
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Een set quad esl63 pro’s in topstaat. Cosmetisch 9/10 doeken en basis 100%, houtwerk on top minimale gebruiksporen technisch 10/10 elektronica is zeer netjes. Nagenoeg geen lekstroom gemeten. Knipperl
The timing is favorable: the ESL-63 is a classic older electrostatic rather than a current-gen model, so value depends more on condition than on “latest tech.” At €1,200, this sits well below your €1,170 25th percentile anchor by only a small margin and far under the €2,112 median, which makes it a strong buy rather than a merely fair one.
That’s especially true for a speaker with this reputation: the ESL-63 is still admired for its midrange purity, imaging, and low-level transparency, and a clean example can be a lot of sound for the money. The upside is best if it’s been cared for, since age and panel health matter more than cosmetics here; with condition listed as unknown, I’d want confirmation of working panels, even output, and stable bias/power supply behavior before committing.
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.
