Woo Audio WA3 Class A Headphone Amplifier

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

• Description
• Features
• Specifications

• 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. 

• • 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