Manufacturer: Dual Model: CT 1640 Type: Tuner Years of manufacture: 1977 - 1978 Made in: Made in Germany Color: Silver or Brown metallic Remote control: no Power consumption: Dimensions: 440 x 150 x 384 mm (WxHxD). Weight: 9 kg Original price approx.: 1'080 DM Connections Number of outputs: 1 stereo Cinch Number of inputs: FM/AM antenna socket 75 Ω coax. AM antenna socket for MW and LW Rear-mounted fold-out AM ferrite antenna. Specifications Reception: UKW/MW Frequencies: VHF: 87.5 - 108 MHz (50 kHz steps). MW: 522 - 1611 kHz (9 kHz steps) Frequency response: 20 - 15'000 Hz Input sensitivity: FM: 1.5 µV (DIN) MW: 15 µV Distortion factor: Mono: 0.15 % Stereo: 0.3 Signal-to-noise ratio: Mono: 68 dB Stereo: 63 dB Channel separation at 1kHz: 40 dB selectivity: 85 dB Co-wave selection: Spurious selection: IF attenuation: 75 dB IF attenuation: 100 dB AM suppression: 60 dB Station memory: 14 (7 FM, 7 MW) Special Features Quartz synthesizer technology