Woo Audio WA3 Class A Headphone Amplifier

Woo Audio

Single-Ended Triode Class A, All Tube Drive, OTL Headphone Amplifier 

  • The WA3 achieved high standard of Woo Audio build quality, high performance and yet affordable. Its compact size offers both headphone and pre-amp capability. If one ever look for a best value product for high impedance headphones or a true pre-amp, look no further. Pre-amp output is sold as an option.

    • Point-to-Point wiring
    • One 6AS7 / 6080 [PDF] power tube
    • Two 6922 / 6DJ8 [PDF] drive tubes
    • One RCA input
    • One pre-amplifier output
    • ¼" stereo headphone jack
    • Full aluminum die-cast chassis, anodized finish
    • Whole aluminum volume knob and power switch button
    • 80 watts specially made toroidal transformer
    • Gold-pin tube sockets
    • Gold-plate RCA
    • Alps potentiometer and power switch
    • Rubycon and WIMA capacitors
    • Dale and Vishay high precision resistors
    • Teflon wires
  • Headphones impedance: 30-600 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: AC 110/220V, 50/60 Hz

    External dimension: 6"(H), 5½"(W), 13"(D)

    Weight: 10 lbs