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Quad 909 Power Amp Power Amplifier
Quad 909 5 views

Quad 909 Power Amp Power Amplifier

USD$786 AUD$1,100
Condition
Good
Location
WA, AU
Seller
jonlad1
Source
StereoNET
Posted
15 Oct 2024
Last seen
29 Jun 2026

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Seller's Description

Quad 909 Power Amp Power Amplifier Looking for a Quad 909, preferably boxed in good condition, green led.   Let me know if you have one for sale! Condition: Unspecified Payment Method: Region/State: (WA) Western Australia/Australia By jonlad1 0 Comments   AUD $1,100 Date: October 15, 20241 yr

Our Thoughts RADAR AI

This A$1,100 listing for a used Quad 909 is a genuine bargain, sitting well below the 25th percentile of A$1,110 from your ground-truth data. At this price point, it represents a strong deal for a well-regarded power amplifier, especially when the median is A$1,125 and the 75th percentile reaches A$1,256. The timing is favorable given the model’s reputation as a British-built unit before production moved overseas, making original-owner condition a meaningful upside.

The Quad 909 is celebrated for its 140Wpc output and midrange unsurpassed in its price class, handling lower impedances without strain or distortion increase. Its direct-coupled design reduces heatsink dissipation, translating power efficiently to the load. For a clean listing at this price, there are no material caveats to raise; this is a clear buying opportunity for enthusiasts seeking a reliable, high-performance amplifier with proven sonic character.

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.

See all Quad listings on RADAR.

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