Kenwood KA-2000ASolid-State Stereo Amplifier (1973)Specifications:Power output: 13 watts per channel into 8 ohms (stereo)Frequency response: 20Hz to 30kHzTotal harmonic distortion: 0.8%Damping factor: 20Input sensitivity: 2mV (MM), 130mV (line)Signal to noise ratio: 60dB (MM), 70dB (line)Output: 230mV (line)Speaker load impedance: 4 ohms to 16 ohmsDimensions: 264 x 112 x 235mmWeight: 10lbsYear: 1973