Price: $1050

* Power cord and interconnection cables are not included.

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

    Technical Specifications :
  • Headphones impedance : 8-600 Ohms
  • Input impedance: 100 Kilo-Ohms
  • Frequency response: 15 Hz - 40 KHz, -3dB
  • Power output <= 1 watt
  • Signal/Noise: 93 dB
  • THD: <= 0.3%
  • Voltage: AC 110/220 V, 50/60 Hz
  • External dimension (each unit): 6"(H), 5½(W), 13"(D)
  • Weight: AMP 12 lbs, PSU 10 lbs
    Standard Features:
  • Point-to-Point wiring
  • One 5AR4 [PDF] rectifier tube. Direct substitute: 5U4G
  • Two 6DE7 / 6EW7 [PDF] drive/power tubes
  • All tubes. No semi-conductors in the entire circuitry
  • High and low impedance headphones outputs
  • ¼" headphone jack
  • 2 RCA inputs with a input source switch
  • Individual filter choke per channel
  • 80 watts specially made toroidal power transformer.
  • Full aluminum die-cast chassis, alodinze finished
  • Whole aluminum volume knob and power switch button
  • Gold-plate RCA
  • Alps potentiometer and power switch
  • Dale and Vishay high precision resistors
  • Teflon wires
    Brief Introduction to 6DE7/6EW7:
  • 6DE7/6EW7 is a dual triode tube, consisting of one drive triode and one power triode. Its performance is similar to a combination of a 6SN7 and a 2A3.

Parts upgrade:
Premium parts upgrade package. $450

We carefully selected the best possible audiophile graded parts that bring the ultimate performance from the amplifier. Parts upgrade are intended for amplifier purchase, not to be sold on a standalone basis.

  • Blackgate voltage filter caps, 150uf/350V
  • Blackgate decoupling caps, 330uf/100V
  • Blackgate bypass caps, 220uf/16V
  • Blackgate bypass caps, 22uf/350V
  • MILLS voltage filter resistor, 3.3K/12W
  • KIWAME load resistor, 56K/2W
  • KIWAME resistor, 1K/2W

Attenuator upgrade:
DACT CT2 stepped attenuator. $215
24-position, high accuracy and reliability.

Rectifier tube replacement:
Sophia Princess Mesh Plate 274B rectifier $150 (1 pc) with 30 days warranty
To impact WA6's sound quality or for your super backup. Buy and ship independently.

Sophia Electric™ 274B tube is a premium rectifier tube for a 5U4/5R4/5AR4 direct replacement with 3X longer plate structure, thus it has a deeper, wider sound stage and even smoothier sound than Mullard 5AR4.

Drive/Power tube replacement:
1 matched pair 6EW7 $20 (2 pcs)

Clear top, big bottle. Buy and ship independently. 6EW7 is a direct replacement for a 6DE7.