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Bijzonderheden: originele sr-009 (non-s): dit is de gezochte originele versie, die door veel liefhebbers en op fora zoals head-fi verkozen wordt boven de latere s-versie vanwege de meer natuurlijke kl

Our Thoughts RADAR AI

In the current used EUR market, €1,650 sits just under the €1,673 median and comfortably below the €1,962 75th percentile, so this reads as a fair-to-good asking price rather than an aggressive one. It is not a steal, but it is priced sensibly for a flagship electrostatic that tends to hold value well.

The SR-009 is prized for its speed, openness, and resolution, with a level of transparency that still makes it a reference listen for many enthusiasts. At this price, the main upside is getting into a top-tier Stax without paying a premium; just confirm pad condition, headband wear, and that it has the proper energizer setup and original accessories if you care about resale.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Stax

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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