Brand: Stax

STAX SR-009D Electrostatic Headphones

$2,890.00

Availability: Special Order

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SKU:

STXSR009D

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Description

New Model with Detachable Cable!

The SR-009, the origin of STAX's current high-end models. Equipped with a large circular sound unit featuring innovative fixed electrodes, this model led the high-end headphone culture for a long time. Production had ceased with the arrival of the new flagship model, but now, in response to numerous requests from fans worldwide, it is making a comeback. With changes to the body color, cable material, and unit case, it is now available at a more accessible price than at its original launch.

MLER (Multi-Layer Electrode)

The SR-009 (released in 2011) was the catalyst for the current high-end models SR-X9000 and SR-009S. The key technology for high-end models, MLER (Multi-Layer Electrode), originated with this model. Using thermal diffusion bonding technology, which unifies photo-etched metal plates at the atomic level under vacuum conditions, this new fixed electrode achieves exceptional planarity, low resonance, and high sound wave transmission. The SR-009D remains the most affordable option for experiencing the sound of current STAX high-end models.

Replaceable Cable Design

SR-009D adopts the replaceable cable structure, which is now standard across the current lineup. This enhances the usability of the earspeakers by enabling future compatibility with high-quality cables and easy maintenance in case of unexpected cable breakage.

Technical Specifications

Type	push-pull electrostatic sound element, open-air type enclosure
Sound element shape	large round shape
Frequency response	5 - 42,000Hz
Electrostatic capacitance	110pF
Impedance	145k
Sound pressure sensitivity	101dB
Bias voltage	580V DC
Attached cable conductor	OFC
Cable	parallel 6-strand, low-capacity wide cable
Cable length	2.5m
Ear pad	genuine sheep leather (skin touching portion), artificial leather (surrounding portion)
Weight	452g (ear speaker)

Specifications and appearance are subject to change for improvement.