Stax SR-L500MK2
Image source — © Stax
What is it?
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Model name
SR-L500MK2
Transducer principle
Electostatic or Planar magnetic
Scheme
Open
Wearing style
Over-ear
Frequency response low +/- 10dB (Hz)
7
Frequency response high +/- 10dB (Hz)
41 000
Max. sound pressure level (dBSPL (1 kHz @ 5% THD))
118
Connection type
Wired
Connector (mm)
N/A
Sensitivity (dBSPL (1 kHz/ 1 mW)))
101
Impedance (Ohm (1 kHz))
145 000
Playback time (hours)
N/A
Weight (g)
471
Official link
The SR-003MK2 is a portable in-ear earphone with a 5-pin PRO connector that can be used when connected to a headphone amplifier with a 5-pin PRO output connector. The redesigned SR-003 ear canal type structure allows you to enjoy excellent electrostatic sound quality without covering your ears. The SR-003MK2 is connected to devices or with a STAX adapter equipped with a 5-pin PRO bias output.
The Stax SR-L300 also used rigid, fixed electrodes treated with stencil photo etching. Thus, the rich deep bass response, subtle treble and smoothing midrange were implemented in a balanced manner. The Stax SR-L300 headband is equipped with a sliding mechanism for height adjustment.
The ear pads of the model are filled with memory-effect material and trimmed with soft sheepskin. The developers claimed a frequency range from 7 Hz to 41,000 Hz with an impedance of 145 kOhm and a sound pressure of 101 dB / 100 V RMS. The weight of the headphones is quite small — only 234 grams.
Exceptional precision and power "Incredible depth and dynamism with a high level of sensitivity to expressive sound elements is a unique property of Stax electrostatic headphones." This thesis was used as a basis for the development of the Stax SR-007 Mk2 (OMEGA II) model. Numerical aperture is the most important aspect that determines sound quality.
The Stax SR-009 headphones have a new sound element. Its membrane uses an ultra-thin film made of the latest high-molecular polymer, also known as multilayer structural plastic. It is much stronger and thinner than ordinary structural plastic. The use of the best materials has made it possible to achieve excellent frequency response over the entire frequency range, along with a huge dynamic range.