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At £976, this is an ambitious price rather than a bargain: it sits well above the £448 median and exceeds the £833 75th-percentile asking price from 87 comparable listings. The box and instructions help, but they do not by themselves justify paying a substantial premium over the normal used market.
The SRM-006ts remains a desirable Stax energiser, combining a lively, spacious valve presentation with excellent transparency and useful RCA and balanced XLR inputs. It is designed specifically for Pro-bias Stax headphones, and the 240V version is a straightforward fit for UK systems. Original packaging is worthwhile for protection and resale, but at this money the buyer should want clear evidence of excellent working order, quiet channels, healthy tubes, and ideally recent servicing; otherwise, negotiating closer to the median would make much more sense.
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.
