STAX / SR-009D Earspeaker

＜＜december 2025 New Product！＞＞The "SR-009D Earspeaker" is an earspeaker that employs a detachable cable structure to the SR-009, the origin of the current STAX high-end model, making it even easier to use.

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

■Re-cableable
・The SR-009D features the replaceable cable structure (re-cable structure), which is now standard equipment in the current lineup. This improves earspeaker usability by enabling future compatibility with high-quality cables and easy maintenance in the event of unexpected cable breakage.

■ Launch Campaign (Until the end of December 2025)
- Customers who purchase the SR-009D and request a warranty card using the enclosed warranty registration postcard will receive a premium replacement cable (1.5m/6N OFC + silver-plated annealed copper wire) along with the warranty card. This great deal allows you to relive the original sound of the SR-009 from its release. The warranty card request must be postmarked by December 31st.

Specifications
■ Type: Push-pull electrostatic (electrostatic) large circular sound element, rear-open enclosure
■ Frequency response: 5-42,000 Hz
■ Capacitance: 110 pF (including included cable)
■ Impedance: 145 kΩ (at 10 kHz including included cable)
■ Sensitivity: 101 dB/100 Vr.m.s. input/1 kHz
■ Bias voltage: DC 580 V
■ Left and right channel indicators: Main unit: L/R indicated on the arc; Cable: L/R indicated on the connector; solid (left) and dotted (right) lines on the wires
■ Ear pads: Genuine sheepskin leather on the skin contact area; synthetic leather on the mounting area
■ Included cable: Parallel 6-core, 2.5 m total length, special wide, low-capacity OFC cable
■ Weight: 452 g (main unit only)
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