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Offered is „SET: SR-009S Silver Kopfhörer & Kopfhörerverstärker SRM 700S“ by STAX as new device from the category „Headphone“ on audio-markt.de - the online market place for high-end. The advert with the number 2289159928 ends on 29.12.2026 at 16:41 o'clock.
At €5,995, this is a genuinely ambitious used price: it sits roughly €2,333 above the €3,662 median and €1,920 above the €4,075 75th-percentile asking price from 45 comparable listings. It is effectively new-money territory, so it only makes sense if the listing is actually new, unusually complete, or carries meaningful warranty coverage.
The SR-009S remains a superb reference electrostatic: exceptionally resolving, fast, spacious, and tonally refined, with the build and lamb-leather pads expected of Stax’s flagship-tier range. Remember that it requires a suitable 580V Stax energizer, so the headphone alone is not a plug-and-play purchase. For a used example, a clean unit with original packaging and cable would still be attractive around the market median; at €5,995, negotiate hard or buy new instead.
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.
