The SRM-700S is an electrostatic headphone driver utilizing a fully discrete dual FET. The output of the J-FET and the large current emitter follower circuit are low noise. Accurate music reproduction is realized without missing any fine details.

Specifications:

Type: All-stage FET configuration DC amplification driver unit

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: 450Vrms (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: 46W

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

Weight: 6.3kg

STAX SRM-700S Electrostatic Headphone Driver