Product Description

Stax SR-X9000

Stax SR-X9000 is the new flagship Earspeaker that marks the pinnacle of Stax electrostatic headphones production. Major technology advancement is the “MILER-3” (Multi-Layer-Elect-Records) – a four-layer fixed electrode combining mesh electrodes and conventional etching electrodes that are crimped by thermal diffusion bonding. 

The newly developed manufacturing technique matures through 20-year accumulated research and development, allowing a rigid structure that is resistant to resonation while smoothly evolving the transmission characteristics of sound compared to conventional multilayer fixed electrodes.

The diaphragm is made of ultra-thin super engineering plastic film. Due to weight-saving close to zero, the great transient characteristic is realized. From the base to the high range, the linearity of the sound is improved.

The enclosure of the sound unit is made of tough machined aluminum. Although, This new design firmly fixes the sound unit and completely eliminates unnecessary vibrations. The sound wave from the unit flows more smoothly. The improved acoustic characteristic inside the enclosure realizes clearer sound unaffected by sound reflection. 

Basically, The guard mesh which is installed parallel to the sound element generates direct reflections which affect a bad influence on the sound. This problem is solved for Stax SR-X9000. The guard mesh has pillars of different lengths in front and back. 

This design changes the height of the gap between the sound element and the guard mesh. So the guard mesh cannot be parallel to the sound element and the reflection angle is completely controlled. The sound wave flows smoothly.

Redesigned For Improved Comfort and Durability

Firstly, The main material of the arc assembly is upgraded to stainless steel. The arc assembly is more tolerant to torsion and the ear speaker more stably fits your ears. The material of the head pad which directly contacts the skin is genuine leather. The position can be adjusted by the slider parts with 9 step clicking system.

Secondly, The material of the ear pads is genuine leather (sheepskin) which has excellent breathability and softness. Genuine leather makes the ear speaker closely fit your ears for a long time and you can fully enjoy the high-quality bass and vivid sound. 

Thirdly, This also reduces fatigue and you can comfortably listen to the music for a long time. The storage case is made of “paulownia wood” which has low thermal conductivity and humidity control capacity. This case is an excellent storage solution alongside the Official Stax Headphone Cover!

Featuring Modular Cable System

Lastly, The material of the core cable is a 6NCu ultra-pure annealed copper wire ( φ 0.14×3). The material of the around core cable is silver-plated annealed copper wire ( φ 0.08× 9). So high and low frequency improved. The cable can change ( recable ). 2 cables (2.5m and 1.5m) are attached and you can choose the cable according to your listening style.

Stax SR-X9000 SPECIFICATIONS:

• Type: push-pull electrostatic sound element, open-air type enclosure 
• Sound element shape: large round shape　
• Fixed electrode: MLER-3 (Multi Layer Electrodes) 
• Frequency response: 5 – 42,000Hz 
• Electrostatic capacitance: 110pF 　
• Impedance: 145kΩ 　
• Sound pressure sensitivity: 100dB　
• Bias voltage: 580V DC 
• Attached cable conductor: 6N(99.9999%)OFC + silver-plated annealed copper wire ●Cable: parallel 6-strand, low-capacity wide cable 
• Cable length:2.5m,1.5m
• Earpad: genuine sheep leather (skin touching portion), artificial leather (surrounding portion) 
• Weight: 432g (ear speaker)