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The portable radio receiver "Doris" (Tesla 2702B) has been produced since 1961 by the firm "Tesla", Czechoslovakia.
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Superheterodyne on 6 transistors.
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Range 535 ... 1520 kHz.
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IF 452 kHz.
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6 volt power supply from 4 AA cells.
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Rated output power 70 mW.
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The range of reproducible frequencies is 300 ... 2000 Hz.
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Dimensions of the model are 140x80x40 mm.
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Weight 450 grams.
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A mechanical watch with a docking station was sold to the receiver.
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