Hitachi HA-4500 Stereo Integrated Amplifier (1979–80) Power Output: 43 watts per channel into 8O (stereo) Frequency Response: 10Hz – 40kHz Total Harmonic Distortion: 0.05% Input Sensitivity: 2.5mV (MM), 150mV (DIN), 150mV (line) Signal to Noise Ratio: 75dB (MM), 90dB (DIN), 88dB (line) Output: 150mV (line), 40mV (DIN) Speaker Load Impedance: 4O – 16O Dimensions: 435 × 110 × 275 mm Weight: 7.3 kg Year: 1980 ? The Hitachi amplifier is in excellent condition and fully operational. ?? Pickup Location: Mathan Electronics 3 Laings Road, Lower Hutt, Wellington