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Seller's Description

Ik bied hier twee quad 303 eindversterkers aan, perfect voor uw hifi-setup. Deze power amplifiers zijn vervaardigd in huntingdon, engeland, en staan bekend om hun kwaliteit. Ze zijn ideaal om uw audio

Our Thoughts RADAR AI

The Quad 303 is a respected British integrated amplifier from the 1980s, and at EUR 375 it sits below the median of EUR 525 established by recent comparable listings—a genuine bargain if the unit is honest about its condition. These amps typically trade in the EUR 450–600 range depending on cosmetics and service history, so this asking price suggests either cosmetic wear, undisclosed repairs, or an eager seller. For a 40+ year old solid-state design with a reputation for reliability, the value proposition is compelling if everything checks out.

Before committing, verify the amplifier powers up cleanly without hum or crackling through the speakers; the output transistors and power supply capacitors are the typical failure points on units this vintage. Request photos of the interior to assess dust accumulation and any obvious component damage, and confirm whether the original manual and any service records come included. A quick functional test across the volume range and input selector will reveal whether you're looking at a straightforward restoration or a deeper project.

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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