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Stax SR 009S Open Back Electrostatic Headphones

Products

Stax SR 009S Open Back Electrostatic Headphones

Stax SR 009S Open Back Electrostatic Headphones (main view)
Stax SR 009S Open Back Electrostatic Headphones (side view)
Stax SR 009S Open Back Electrostatic Headphones (main view)
Stax SR 009S Open Back Electrostatic Headphones (side view)
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Stax SR 009S Open Back Electrostatic Headphones

5,995.00

Sound element with new fixed electrodes

If the fixed electrode becomes infinitely thinner, the air resistance will be de- creased and the permeability of sound waves will be improved. On the other hand, thinner electrodes are poor in rigidity and suffer from vibrations of their own and the sound becomes muddy.The SR-009S evolved further the electrode established in the SR-009 as the integration of presenttechnology.

The edges of electrode hole were smoothened through after-etching processing to reduce air resistance, and the permeability of sound has been much more improved. Moreover, gold plating processing with large specific gravity further decreased the electrode vibration. Finally, the sound clarity has been achieved by reducing the resistance of electrode itself.

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Tough solid aluminum chassis

It employed secures firmly the sound element, con- tributing to improve the clearness of sound. Furthermore, the case thickness has been reduced to the limit, making the flow of condensation-and-rarefaction air wave from the sound element more smooth.

New designed guard mesh

Intensity has been increased by giving roundness to the “guard mesh” of sound element, which lowered the influence of reflection and improved the resolu- tion of sound.

Specification

Type: push-pull electrostatic large circular sound element, open-air type enclosure

Frequency response: 5 – 42,000Hz

Electrostatic capacitance: 110pF (including cable)

Impedance: 145kΩ (including cable, at 10kHz)

Sound pressure sensitivity: 101dB / input 100Vr.m.s. / 1kHz

Bias voltage: DC580V

Right/left channel indication: Golden solid line (left) and dotted line (right) on the cable

Earpad: Genuine leather (skin touching portion), high-quality artificial leather (surrounding portion)

Cable: Silver-coated 6N (99.9999%) OFC parallel 6-strand, low-capacity special wide cable, 2.5m full length

Weight: 583g (including cable), 441g (without cable)