Stax – SRM-700S Semiconductor Driver Unit



All semiconductor driver unit that has adopted custom-made low-noise dual FET at the first stage, and for the first time in STAX driver unit history J-FET has been employed at the second stage. The output of J-FET excellent in low-noise amplification as well as large current emitter follower circuit brings out the full performance of earspeakers. Even the music source with much high-frequency ingredients can easily be driven. The driver unit pursues an exact reproduction of musical details.


●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 103H x 393D mm (maximum protruding portion included) ●Weight: 6.3kg