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Unknown condition makes the price harder to judge, but at USD 369 this sits above the USD 330 median and below the USD 451 75th percentile for recent comparable listings. That makes it a fair-to-slightly-firm ask rather than a bargain; a verified, clean example would be reasonably priced, while an untested unit deserves negotiation.
The SRM-1 remains a respected energizer for Stax electrostatic headphones, offering a musically convincing, straightforward route into the older Stax sound. Its appeal is strongest when it is quiet, fully functional, and paired with a suitable Lambda-era headphone. Before buying, confirm both channels, input switching, output level, and absence of hum or intermittent controls; age-related service matters more here than cosmetic wear. With testing or a good return option, USD 369 is defensible, but an unknown-condition example would be more attractive closer to the median.
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.
