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The Sony TR-63 portable radio was manufactured in 1957 by Tokyo Tsushin Kogyo, and subsequently Sony.
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Superheterodyne on 6 transistors and 2 diodes.
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The AM range is 535 ... 1620 kHz.
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IF - 455 kHz.
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Sensitivity ~ 3 mV / m.
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Rated output power 25 mW.
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Power supply - 9 volts.
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Quiescent current 2 ... 3 mA.
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Dimensions RP - 112x71x32 mm.
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Weight 380 gr.
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The model was produced in different countries by subsidiaries.
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