Stereophonic radio receiver in Echo-601-stereo stereo telephones.

Headphones, headphones, headsets ...Since 1984, the Echo-601-stereo stereo radio receiver in stereo telephones has been produced by the Sarapul Radio Plant. The receiver is designed to receive mono and stereo transmissions of radio stations in the VHF range of 65.8 ... 73 MHz. Reception is made on a whip antenna. The receiver has: smooth tuning; AFC; separate volume control; power switch; sockets for connecting telephones to external sources of programs, an external power amplifier and a tape recorder for recording. Power supply - Krona-VTs battery. Specifications: real sensitivity 12 μV; maximum output power 2x2 mW; nominal power of stereo telephones 1 mW; frequency range on LV - 50 ... 12500 Hz; frequency range of stereo phones 20 ... 20,000 Hz; output voltage for tape recorder for recording 20 mV; consumption current 10 mA. Dimensions of stereo telephones 220x185x100 mm. Weight 700 gr.