Radio receivers "Riga-301A" and "Riga-301B" have been produced since 1966 by the Popov Riga Radio Plant.
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The receivers are designed for reception in the LW, SV bands.
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Sensitivity at DV 2.0 mV / m, SV 1.2 mV / m.
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Selectivity for adjacent channel 26 dB, mirror 20 dB.
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IF - 465 kHz.
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Rated output power 150 mW.
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The range of reproducible frequencies is 350 ... 3500 Hz.
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The scheme of the radio receivers is the same, the difference is in design and power supply.
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The "Riga-301A" receiver is powered from 6 elements 316, and "Riga-301B" from two KBS-L-0.5 batteries.
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For power, you can use a Krona battery or a 7D-0.1 battery.
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The main parameters are saved when the power is reduced to 7.2 V. The models have telephone, antenna, grounding jacks.
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The dimensions of the 1st model are 173x98x47 mm, weight 550 g, the 2nd - 203x110x52 mm, weight 750 g.
,86e6f450b8cc469628ba70bf2947b049
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