Since 1972, the portable radio receiver "Sonata-201" has been produced by the Leningrad plant "Radiopribor".
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The 2nd class radio receiver "Sonata-201" is designed to receive programs of radio broadcasting stations in the DV, SV and four HF sub-bands.
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It is developed based on the Sonata receiver.
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Changes in the electrical circuit are aimed at increasing the output power up to 0.5 W and the convenience of tuning on the KB sub-bands.
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For this, the output triodes P41 were replaced with GT402A, and the rocker switch was replaced with a new push-button switch for six positions.
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This innovation made it possible to increase the number of KB sub-bands from two to four, and make the 41, 31 and 25 meters stretched.
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In addition, the model uses an input circuit that is distinguished by noise immunity and high sensitivity.
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The external radio receiver has also changed, as well as the placement of its controls and scales.
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Power is supplied from 2 3336L batteries.
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The dimensions of the radio are 198 x 270 x 78 mm.
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Weight 2 kg.
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The export version of the radio had HF sub-bands from 16 to 50 meters.
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