Woo Audio GES Electrostatic Headphone Amplifier

WooAudio GES Stax/Sennheiser HE90 Electrostatic Earspeaker Amplifier

• Description
• Features
• Specifications

• GES works with all 5-pin Pro bias Stax Earspeakers.

• • Point-to-Point Wiring
  • Four 12AX7 drive tubes
  • Four 6S4 power tubes
  • Two selectable RCA inputs
  • High-performance Solen and WIMA capacitors
  • Heavy-duty full aluminum die-cast chassis, anodized finished
  • Whole aluminum volume knob and power switch button
  • Two Filter chokes
  • 140 watts power transformer
  • Gold-plate RCA
  • Alps potentiometer and power switch
  • Teflon wires

• Input impedance: 100 Kilo-Ohms
  
  Frequency response: 10 Hz - 80 KHz, -3dB
  
  Signal/Noise: 100 dB
  
  Bias voltage: 580VDC
  
  THD: <= 0.1%
  
  Voltage: AC 110/220V, 50/60 Hz
  
  External dimension: 6½(H), 13"(W), 10½"(D)
  
  Weight: 22.5 lbs