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This listing is firmly in a seller’s market for the Stax SRM-700s, and the asking price of £2,149 is clearly ambitious, sitting well above the 75th percentile of £1,220 from the 46 recent GBP comparable listings where the median is £680. While the new retail price is around £3,400 (approximately $3,400), a used unit at this price point demands excellent condition and full accessories to justify the premium over the typical used range.
The SRM-700s remains a highly regarded electrostatic driver for Stax earspeakers, offering fully discrete dual FET circuitry that delivers exceptional transparency and low distortion, making it ideal for audiophiles seeking pristine sound reproduction. If this unit is in original-owner, mint condition with all cables and packaging included, it represents a worthwhile buy for those who value the Stax ecosystem’s unique sonic character, though buyers should verify the absence of wear or missing components given the high ask.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Stax traces its origins to 1938 in Tokyo, Japan, when Naotake Hayashi founded Showa Kouon Co., Ltd. in Chiyoda-ku. Initially focused on wax disc recording, metal master production, and audio equipment for film soundtracks, the company evolved through the postwar era. In 1950, it launched its first high-frequency condenser microphone, adopted by NHK, and renamed itself STAX Co., Ltd. in 1963, honoring its pioneering Stax-1 mic. A brief suspension in 1995 due to economic pressures gave way to revival, preserving its legacy under family leadership.
The brand specializes in electrostatic headphones, known as "EARSPEAKERS," debuting with the world-first SR-1 in 1960. This innovation spawned enduring lines like the SR series, produced for decades with incremental refinements for superior resolution and staging. Stax complements these with dedicated electrostatic amplifiers and select accessories, eschewing conventional speakers, turntables, DACs, or cables to hone its transducer expertise.
Stax commands a niche high-end position among audiophiles and professionals, revered for unmatched transparency and fidelity that rivals cost-no-object loudspeakers. Its 85-year heritage cements it as a boutique icon in electrostatic technology, far from mass-market fare, appealing to discerning buyers seeking pinnacle sonic transduction.
See all Stax listings on RADAR.
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