Stax – SR 009BK
The Stax – SR 009BK shares the same design as the SR-009S and is only 180pc in quantity. The special version has a special black finishing that differs from STAX’s usual silver theme.
Like the S version the limited-edition SR-009BK is equipped with the new generation MLER 2. Offering the most responsive, silky smooth textured sound that effortlessly penetrates with extreme control. The light framework on the 009BK makes it one of the most comfortable high-end headphones out in the market.
So you can completely immerse in the highly dynamic, powerful sound that is free from any impurities, as breath taking and realistic as if you are listening right on spot with all details in the mix revealed. This is the most engineered piece of audio gear that you can’t miss if you are looking for top tier performing.
Stax – SR 009BK , the 80th anniversary limited edition
To celebrate its 80th anniversary, STAX released the limited version SR-009 BK in black color, limited to 180pc only. The SR-009BK is the Black version for the SR-009S, every pc has its own serial number and “80th ANNIVERSARY” printed on the frame.
Ultra-thin super engineering plastic film
In the heart of SR-009S you will find a film made of ultra-thin super engineering plastic. The light mass enables a highly transient character in sound throughout the whole audible spectrum.
Matching this design, the main body also redesigned on the 009s to further minimalize resonance for the best sound quality.
Aluminum framework on Stax – SR 009BK
STAX picked Aluminum for the framework citing the metal’s physical qualities, which they regard as an excellent material for a sound chamber suitable for audio equipment. Uses metal extensively throughout the whole design including the outer frame and elements of the framework that houses the driver inside, to realize high-quality sound, rigidity, and lightweight. Every part of the SR-009S is manufactured through precise machine processing.
Silver coated high-purity copper wire of 99.9999% (6N) purity is adopted for the cable, built in a structure that is most suitable to drive the ear-speaker.
Handcrafted with a new design, the earpads are made from genuine high-quality leather. The extremely comfortable cushion allows hours of comfortable listening to music.
The equipment of arc on the STAX 009S is with a 10-step adjustment mechanism that you could glide to fit different head sizes.
Stax – SR 009BK SPECIFICATIONS
- Type: Push-Pull Open Back Circular Electrostatic Headphone
- Frequency Response: 5 – 42,000Hz
- Electrostatic Capacitance: 110pF (including cable)
- Impedance: 145k Ω (including cable, at 10kHz)
- Sound Pressure Sensitivity: 101dB / 100V r.m.s. 1 kHz
- Maximum Sound Pressure: 118dB / 400Hz
- Bias Voltage: 580V DC
- Weight: 1lb without cable / 1.3lb with cable