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Since 1973, the portable radio receiver Selga-404 has produced the Popov Radio Plant of Riga. The radio receiver was developed on the basis of the model "Selga-402" and is designed for reception in the ranges of DV, ST. The 3-circuit FSS in the IF amplifier has been replaced with a 2-loop bandpass filter; the local oscillator stabilization is introduced. The sound quality and volume due to the use of the new 0.5GD-37 loudspeaker have improved. The sensitivity of the receiver "Selga-404" in the DV range of 1.2 mV / m, SV - 0.6 mV / m. The adjacent channel selectivity is 26 dB. Powered by the battery "Krona VTs" or six elements A-316. Receiver dimensions 190x100x46 mm, weight 0.7 kg. Price RP in the basic configuration of 32 rubles 67 kopecks. Export radios had the name "Comix" and "Vega". Radio sets "Selga-404" were produced only in one color range (black color).