General Manufacturer: Sony Model: ST-S 770 ES Year of manufacture: 1991 Made in: Japan Color: Black and champagne Remote control: no Power consumption: 20 W Dimensions: 470 x 96 x 372 mm (W x H x D) Weight: 6.4 kg Original price approx : Sony ST-S 770 ES/B: 800.- DM (RRP black) Sony ST-S 770 ES/D: 900.- DM (RRP champagne) Connections Number of outputs: Output level: 400 mV Number of inputs: 2x 75 Ohm coaxial antenna input. 1x loop antenna input for MW/LW Technical Data Reception: FM, MW, LW, Frequencies: VHF: 87.5 - 108 MHz MW: 531 - 1,602 kHz (9 kHz grid) LW: 153 - 297 (1-kHz grid) Frequency response: Input sensitivity: Mono at 26 dB signal-to-noise ratio: 10.3 dBf, 0.9 μV. Stereo at 46 dB signal-to-noise ratio: 38.5 dBf, 23 μV Usable sensitivity (IHF): 10.3 dBf, 0.9 μV Distortion factor: Stereo: Wide 0.02%, Narrow 0.08%. Mono: Wide 0.008%, Narrow 0.04% Signal-to-noise ratio: Mono: 95 dB Stereo: 86 dB Channel separation: at 1kHz 65 dB Selectivity: at 400kHz: Wide 80 dB, Narrow 90 dB at 300kHz: Wide 45 dB, Narrow 70 dB Co-wave selection: Spurious wave selection: IF attenuation: IF Attenuation: Yes (Narrow/Wide) AM Suppression: Station memory: 30 (of which 20 with station names) Special Features 2 antenna inputs High-blend circuit Field strength display with 1 x 20 segments Display can be switched off Remote control via "Control S" connector Wooden side panels