Woo Audio WA2 Class-A Vacuum Tube Headphone Amp

Woo Audio

Single-ended Triode OTL Class-A Vacuum Tube Headphone / Pre Amplifier Monitor

  • WA2 is a high performance headphone amplifier for even the most power hungry headphones. High gain, ultra low noise preamp, utilizing driver and power tubes.

    • Point-to-Point wiring
    • Two 6AS7 / 6080 power tubes
    • Two 6922 / 6DJ8 drive tubes
    • Two EZ80 rectification tubes (6X4 is no longer used)
    • Pseudo-dual power supply
    • One pair of gold-plate pre-amp RCA outputs
    • Four pairs of selectable gold-plate RCA inputs
    • ¼" stereo headphone jack
    • Full aluminum die-cast chassis, anodized finish
    • Whole aluminum volume knobs and power switch button
    • 120 watts toroidal power transformer
    • Individual filter choke and rectifier per channel
    • Rubycon and WIMA capacitors
    • Teflon wires
    • Alps potentiometer and power switch
  • Headphones impedance: 25-600 Ohms

    Input impedance: 100 Kilo-Ohms

    Frequency response: 8 Hz - 100 KHz -3dB

    Signal/Noise: 95 dB

    THD: <= 0.08%

    Pre-amp Gain: 10 dB

    Voltage: Dual AC operation 110/220V, 50/60 Hz

    External dimension: 5½"(H), 13"(W), 9"(D)

    Weight: 17 lbs