Stax SRM-353X BK limited

Regular price €1.350,00

Tax included.

The SRM-353XBK is created as a STAX 80th Year Anniversary. Limited model in Black anodized faceplate finished with a gold plaque. All-stage direct-coupling class-A DC amplifier configuration with no coupling-capacitor and with original low noise dual FET for the first stage. Limited release of 300 units.


  • Utilized a brushed-up emitter follower for the output stage. The wide range design realized the expansion of dynamic range at high frequency and further improvement of sound quality.
  • Employed a custom-made 2-axis 4-gang volume control
  • Non-magnetic aluminum alloy chassis
  • Selected parts in consideration of tone quality and performance


  • Harmonic distortion ratio: 0.01% or less / 1 kHz / 100 Vr.m.s. (When using one SR - Lseries)
  • Amplification: 60 dB
  • Rated input level: 100 mV / 100 V output
  • Power supply voltage: AC 230 V, 50 Hz
  • Maximum output voltage: 400V r.m.s./1 kHz
  • Input impedance: 50 kΩ / 50 kΩ x 2 when balanced
  • Number of inputs: 1 RCA and 1 XLR
  • Bias voltage: 580V DC
  • Power consumption: 30 W
  • External dimensions: 150 (W) x 100 (H) x 360 (D) mm (including protrusions)
  • Weight: 3.0 kg