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Stax SRS-5100 Earspeaker System
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Stax SRS-5100 Earspeaker System

£1,329.17 Exc. VAT |  


Stax SRS-5100 Earspeaker System

The first SR-Lambda series was introduced 36 years ago and it has further developed into a new-generation SR-Lambda with its newly designed enclosure - the new SR-L500 advanced Lambda series Earspeaker.

Hand selected thin-film diaphragm as well as tough stainless fixed electrodes has been employed for the SR-L500. Thus, rich deep bass response, delicate high frequency and soothing mid-range has been achieved in a balanced manner.

The headband (ARC) assembly of the SR-L500 is equipped with 10-click slider mechanism for head pad height adjustment adopted from SR-009 and SR-507. Once adjusted, the slider always maintains its optimal position to make readjustment unnecessary. This enables you to enjoy hours of pleasant music listening with utmost comfort.

High performance pure copper HiFC™ developed by Hitachi employs the core wires. HiFC has various advantages, including similar sonic characteristics as used in SR-009 and SR-L500 6N high purity 99.99999% copper wires. The entire cable are then arranged in a flat, wide format configuration to lower the capacitance between each wires and finished with the most suitable structure to drive the earspeaker.

New earpad design is carefully hand crafted with high quality synthetic leather for utmost comfort for hours of music enjoyment as well as sound performance.

The SRM-353X is the exclusive driver unit (amplifier) produced to drive STAX electrostatic Earspeaker headphones. Carefully hand selected high quality parts of audio grade further improves tonal quality, and achieved wider frequency response from re-examination of circuitry. Newly added XLR input terminal enables connection of balanced outputs of audio equipment taking full advantage of its superior performance.


  • Type :Push-Pull Open Back Oval Electrostatic Earspeaker Headphone
  • Frequency Response :7 - 41,000Hz
  • Electrostatic Capacitance :110pF (including cable)
  • Impedance :145k O (including cable, at 10kHz)
  • Sound Pressure Sensitivity :101dB / 100V r.m.s. 1 kHz
  • Maximum Sound Pressure :118dB / 400Hz
  • Bias Voltage :580V DC
  • Left & Right Identification 
  • :"L" and "R" indicated on the arc assembly
  • Left channel cable is marked with a solid line.
  • Right channel is marked with a dotted line.
  • Ear Pads :High quality synthetic leather
  • Cable :HiFC parallel 6-strand, low-capacity special wide copper cable, 2.5m full length
  • Weight :0.75lb without cable / 1lb with cable


  • Type :All-stage semiconductors, Low-noise dual FET input Class A operation, Pure balance DC amplifier configuration Earspeaker driver unit
  • Frequency Response :DC to 90,000Hz (with 1 SR-L series Earspeaker)
  • High Harmonic Distortion :Max 0.01% (1kHz at 100V r.m.s. with SR-L500)
  • Gain :60dB (x1000)
  • Input Terminal 
  • :1 RCA with 1 RCA parallel out and XLR 
  • Rated Input Level :100mV / 100V Outputs
  • Max. Input Level :30V (at minimum volume level)
  • Input Impedance :50KO(RCA) 50KOx2(XLR)
  • Max. Output Voltage :400V r.m.s. (1kHz)
  • Standard Bias Voltage :PRO 580V x 2
  • Power Voltage Frequency :117V (50Hz / 60Hz)
  • Power Consumption :30W
  • Temperature & Humidity :0 to 35ºC / 90% max. without condensation
  • Dimensions :5.9 (W) x 3.9 (H) x 14.2 (D) in
  • Weight :6.6lbs
  • Color :Silver

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