Portable radio receiver "Mountaineer-420".
Portable radio receivers and radios on p / p.DomesticThe Alpinist-420 portable radio receiver in 1982 was experimentally produced by the Voronezh Radio Plant. Alpinist-420 operates in the long and medium wave ranges. Powered by A-343 or KBS-L-05 batteries, as well as from the mains, through an external power supply. Receiver sensitivity in DV - 1.8 mV / m, SV - 0.8 mV / m. Selectivity - 30 dB. Rated output power 0.5, maximum 0.9 W. The range of reproducible frequencies is 200 ... 3550 Hz. RP dimensions - 261x166x71 mm. Weight 1.5 kg. The price is 38 rubles. Since 1984 the plant has been producing the same receiver with the name "Alpinist-320" and with a built-in power supply unit.