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Commercial Stax SRM-007T MK2 Electrostatic Headphone Energiser Pristine Sound with the pre-owned Stax SRM-007T MK2 Headphone Amplifier Experience elite performance at Len Wallis Audio’s Lane Cove showroom or enquire online. Key Features Hybrid Tube Design: Combines 6FQ7/6CG7 tubes with FET for flawless audio. Pure Balanced Circuit: Ensures uncoloured, transparent sound reproduction. Dale Resistors: Non-inductive resistors enhance dynamics and clarity. Electrostatic Compatibility: Optimised for Stax earspeakers. The pre-owned Stax SRM-007T MK2 Headphone Amplifier, available at Len Wallis Au
At A$2,000, this sits below the median A$2,305 and just under the 25th percentile A$1,974–A$3,018 band, so it reads as a solid buy rather than an ambitious ask. For a Stax SRM-1 in the used AUD market, that is comfortably in the sweet spot if the unit is working properly and cosmetically decent.
The SRM-1 is a respected vintage electrostatic energizer: simple, musical, and a good match for classic Stax earspeakers if you want that fast, airy presentation. The upside here is value and rarity more than features; if it’s complete and hasn’t been molested, it’s the kind of piece enthusiasts keep. I’d only press on age-related service risk and whether it has been recently checked, since old Stax gear can be condition-sensitive.
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.
