Portable radios `` Riga-301A '' and `` Riga-301B ''.
Portable radio receivers and radios on p / p.DomesticRadio receivers "Riga-301A" and "Riga-301B" have been produced since 1966 by the Riga Radio Plant named after Popov. The receivers are designed for reception in the LW, SV bands. Sensitivity for DV 2.0 mV / m, SV 1.2 mV / m. Selectivity on adjacent channel 26 dB, mirror 20 dB. IF - 465 kHz. Rated output power 150 mW. The range of reproducible frequencies is 350 ... 3500 Hz. The scheme of the radio receivers is the same, the difference is in design and power supply. The "Riga-301A" receiver is powered from 6 elements 316, and "Riga-301B" from two KBS-L-0.5 batteries. For power supply, you can use a Krona battery or a 7D-0.1 battery. The main parameters are retained when the power is reduced to 7.2 V. The models have telephone, antenna, grounding jacks. The dimensions of the 1st model are 173x98x47 mm, weight 550 g, the 2nd - 203x110x52 mm, weight 750 g.
