Quad II Valve Monoblocks

Please contact us if you are interested in this product.

Iconic british valve amp first introduced in 1953. Superb, reliable sound. Well-suited to sensitive speakers. Fully recapped and serviced.


  • Tube: 2x EF86/KT66, 1x GZ34
  • Output: 15W (11.8dBW into 8O)
  • Freq response: 10–20k Hz, ±0.2dB
  • Sensitivity: 570mV (rated power)
  • Rated load impedance: 8 ohms
  • Damping factor: 11.75 at 700Hz
  • THD: 0.08% at 12W/700Hz
  • Residual hum and noise: >–90dB
  • Dimensions (WHD): 315 x 165 x 120mm
  • Weight: 18.25 lbs (8.3kg)