Stax SRM-700t Earspeaker Driver

$5,850.00 inc. GST

SKU: SRM-700t Category: Brand:

The newly designed Stax SRM-700T is a hybrid electrostatic headphone driver. Inspired by the flagship model SRM-T8000, the 700T uses solid-state FET as a driver stage and vacuum tube as the output stage.

Stax SRM-007t

Stax SRM-700t Key Features and Specifications;


The first stage is a custom-made low-noise dual FET while the second stage is clear and high slew-rate vacuum tube 6SN7. The tube output offers warm and spacious music reproduction.

  • 6SN7 tubes realize a highly transparent sound
  • Non-inductive winding resistors with the least inductance
  • High-definition film capacitors are used
  • Hand-selected matching FET
  • Volume control is EMI shielded
  • Bypass volume control switching
  • Switchable RCA and XLR inputs. RCA parallel outputs
  • newly developed large-sized aluminium insulators combined with new vibration-proof material and high frictional coefficient (grip power) have been employed.


  • Type: FET input + vacuum tube output hybrid DC amplification driver unit

  • Vacuum tube: 6SN7 x2

  • Frequency response: DC – 100kHz (with one SR-009S)

  • Gain: 60dB

  • Harmonic distortion: 0.01% or less (1kHz/100Vrms output)

  • Input impedance: 50kΩ (RCA), 50kΩx 2 (XLR)

  • Maximum output voltage: 340Vrms (1kHz)

  • Bias voltage: PRO 580V

  • Operating temperature / humidity: 0 to 35 degrees C / less than 90% (non condensing)

  • Input terminal: RCA x 1, XLR x 1

  • Output: RCA parallel output terminal

  • Power consumption: 54W

  • Dimension: 240 W x 103 H x 393 D mm (maximum protruding portion included)

  • Weight: 5.7kg


Specifications and appearance are subject to change for improvement.

Stax SRM 700t ear speaker driver
Stax SRM-700t Earspeaker Driver
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