STAX at Audio46
STAX SR-009D Electrostatic Headphones (Open Box) [Grade A, Full Warranty]
WIRED HEADPHONE
Open-Back
over-ear
electrostatic
✓ In stock and ready to ship
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✓ Ships Monday Monday with with
✓
Open Box Item
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✓ 1 year limited STAX warranty
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Detalles del producto de la marca
↓ Details provided by STAX ↓
(Specifications and appearance of this product are subject to change without notice)
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.

MLER, Fixed electrode formed by unifying three stainless steel plates without any adhesive

Newly developed injection-molded unit case for weight reduction

Redesigned with detachable replaceable cable structure for improved maintainability

Headpad features a 10-step click mechanism for fitting a wide range of head shapes

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