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At £235, this sits at the low end to solid middle of the used market for the SRM-252S, with comparable used listings commonly landing around £240–£290 and some Japan-import asking prices closer to £330 once converted into GBP. That makes £235 a fair-to-good price rather than a bargain-basement steal, but still attractive if it’s fully working and includes the proper PSU and interconnects.
It’s a well-liked little Stax energiser because it gives a clean, fast, suitably transparent drive for entry-level electrostatics without taking up much space, and it pairs neatly with Lambda-type systems. The upside here is simple: if the unit is clean, original, and testable, it’s an easy way into Stax at a sensible outlay. I’d only get picky if the power supply is missing, the connector/socket looks worn, or the seller can’t confirm stable output.
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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