Stax SRM-700 Series Tube or FET Electrostatic Headphone Amplifier

Description

The newly designed SRM 700T is a hybrid 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.

Specifications 700S:

• 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

Specifications 700T:

• 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