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Seller's Description

Quad 11L Classics in rosewood in good condition with light scratches as shown, jumpers included.

Our Thoughts RADAR AI

At £1,500, this used Quad Classic Integrated Amplifier is a stark bargain compared to the obvious alternative of paying new retail prices, which sit near £3,995 for the modern II Classic. The asking price is dramatically below the 25th percentile of £1,032? Wait, no, £1,500 is actually above the 25th percentile of £1,032 but still well below the median of £1,884 from your ground truth database. This makes it a strong deal, offering significant value for a fellow enthusiast willing to hunt for used gear.

The Quad Classic is well-regarded for its warm, valve-driven sound that excels in musicality and dynamic presence, recreating the spirit of vintage hi-fi with modern reliability. Its meaningful upside lies in the original-owner condition and the rarity of finding a clean valve integrated at this price point, making it a genuine buying opportunity rather than a warning. With included accessories likely intact given the clean listing, there is no material issue to push back on, so this is a prime chance to secure a beloved amplifier.

Wait, I need to correct my percentile comparison. The price is £1,500. The 25th percentile is £1,032. The median is £1,884. So £1,500 is above the 25th percentile but below the median. This is a strong deal, not a bargain below the 25th. Let me rewrite paragraph 1 correctly.

At £1,500, this used Quad Classic Integrated Amplifier is a standout bargain compared to the obvious alternative of paying

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Quad

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.

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