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The Sport-4 portable radio receiver in 1970 limitedly launched the Dnepropetrovsk Radio Plant.
The class 3 radio receiver `` Sport-4 '' is intended for reception in the ranges: LW, CB, KV-I - 31 ... 25 m and KV-II - 75 ... 41 m. Sensitivity to the built-in magnetic antenna on
LW 1.6 mV / m, SW 0.6 mV / m, HF 0.3 mV / m.
Adjacent Channel Selectivity 36 dB.
Attenuation of the mirror channel at LW 30 dB, CB 32 dB, KV-I 16 dB, KV-II 18 dB.
Frequency range reproduced by the loudspeaker 250 ... 4000 Hz.
Rated output power 100 mW.
Power is supplied from 4 elements 316. Quiescent current 10 mA.
The dimensions of the model are 195x110x47 mm.
Weight 900 gr.
The radio receiver is released in a limited series and, in addition to design, repeats the Sport and Sport-2 receivers.