Leak Stereo 30, made in England

Link: hifiengine

Specifications:
Power output: 15 watts per channel into 4Ω (stereo)
Total harmonic distortion: 0.1%
Damping factor: 60
Input sensitivity: 3mV (mic), 3.5mV (MM), 125mV (DIN), 30mV (line)
Signal to noise ratio: 52dB (MM), 66dB (line)
Speaker load impedance: 4Ω to 15Ω

Downloads:
schematic