Great sounding, very large amplifier of absolute top class, which sounds very dynamic and full Really the beautiful full and warm sound of the past with very controlled bass reproduction and beautiful detail reproduction. Beautifully illuminated VU meters, due a new flicker free led lamp. Manufacturer: Technics Model: SU-7700 Type: Integrated amplifier Years of manufacture: 1977 - 1979 Made in: Osaka, Japan Colour: Silver, wooden cabinet black, as SU-7700K in Technics Brown Remote control: Power consumption: 450 W Dimensions: 410 x 139 x 334 mm (WxHxD) Weight: 9,7 kg Original price approx.: 900 DM Connections Number of inputs: Phono (MM): 2.5 mV, 47 kOhm Radio: 150 mV, 47 kOhm Aux: 150 mV, 47 kOhm 2x tape: 150 mV, 47 kOhm Number of outputs: 2x tape Headphones (6.3mm jack) 2 speaker pairs (4 - 16 Ohm) Technical Data Continuous power (at distortion factor) 8 Ohm: 2x 53 W (1 kHz), 2x 50 W (20-20,000 Hz) 4 Ohm: 2x 70 W (1 kHz), 2x 60 W (20-20,000 Hz) Total harmonic distortion: 0.08% (nominal power, 20-20,000 Hz) Attenuation factor: 80 (8 ohms) Frequency response: 5 - 80,000 Hz (+0/-3 dB). 20 - 20,000 Hz (±0.5 dB) Signal-to-noise ratio: Full scale: 58 dB (low level), 83 dB (high level). 2x 50 mW: 53 dB (high level) Stereo channel separation: Tone control: Bass: ±12 dB (50 Hz). Treble: ±12 dB (20 kHz) Loudness: yes High Filter: 8 kHz (-6 dB/oct) Low Filter (Subsonic): 30 Hz (-12 dB/oct) Mute: Special Features Electronic overload protection circuit 2 VU meters Original condition Set on 240V input Pictures are part of the description. Signs of use on a edges and top Carefully insured shipped!!