The Sansui AU-5900 is an integrated stereo amplifier with all the features, conveniences and system protection as in the AU-7900/6900. It has continuous power output of 50 watts per channel (both channels, at 1000Hz) with no more than 0.1% harmonic distortion; advanced electronic technology at a reasonable price. Features include: Versatile Triple Tone Control. Connections for two stereo tape decks, monitor switch for dubbing or copying from one to another. High-precision phono equaliser: ± 0.3dB RIAA Low/high filters, tone defeat switch. Independent power supply from preamplifier and power driver sections. Specifications Power output: 45 watts per channel into 8Ω (stereo) Frequency response: 5Hz to 40kHz Total harmonic distortion: 0.1% Damping factor: 80 Signal to noise ratio: 90dB (line) Channel separation: 50dB (MM) Dimensions: 430 x 132 x 312mm Weight: 11.5kg Year: +/- 1976 Used, but good See photo's Will be well packed when shipped