GES works with all 5-pin Pro bias Stax Earspeakers.
Price: $1590

* Power cord and interconnection cables are not included.

* Shopping cart applies to the U.S. buyers only. International buyers please contact us for shipping cost and payment instruction.

    Technical Specifications:
  • 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
    Standard Featurs:
  • Point-to-Point Wiring
  • Four 12AX7 [PDF] drive tubes
  • Four 6S4 [PDF] 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 transforme
  • Gold-plate RCA
  • Alps potentiometer and power switch
  • Teflon wires

Attenuator upgrade:
DACT CT2 stepped attenuator.
$215

24-position, high accuracy and reliability

Teflon tube sockets upgrade:
$300 (9-pin x8)
Teflon is a superior material with great isolation and tempreture endurance. The unique design of multiple pin contact area greatly increase connectivity and gripping. Pins are gold-plated over oxygen free copper.

Click to see details 2

Drive tube replacement:
1 matched quad 12BZ7
$64 (4 pcs)
(ship in separate package)

NOS tubes. 12BZ7 is a direct replacement tube for a 12AX7.