MA6200 Specifications Power output: 75 watts per channel into 8Ω (stereo)Frequency response: 20Hz to 20kHzTotal harmonic distortion: 0.05%Damping factor: 30Input sensitivity: 2.5mV (MM), 250mV (line)Signal to noise ratio: 85dB (MM), 100dB (line)Output: 250mV (line)Speaker load impedance: 4Ω to 8ΩSemiconductors: 43 x transistors, 12 x IC, 25 x diodesDimensions: 406 x 138 x 330mmWeight: 13.6kg매킨토시..