About this gear
The SR-009D is Stax's flagship electrostatic 'earspeaker,' representing one of the most transparent and detailed transducers available in headphone form. Its ultra-thin diaphragm delivers speed and resolution that dynamic and even planar designs struggle to match, at the cost of requiring a dedicated electrostatic energizer/amplifier — this is not a headphone that runs off a standard amp. Aimed squarely at serious listeners chasing the absolute upper limit of headphone fidelity, typically for classical, acoustic, and studio-quality recordings.
About Stax
Japanese electrostatic headphone pioneer founded in 1938, making electrostatic transducers since 1960. STAX 'earspeakers' are considered by many to be the purest form of headphone reproduction — their Lambda and SR-009 deliver ethereal transparency, speed, and micro-detail retrieval that no dynamic ...
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