The Sony TFM-951 portable car radio has been produced presumably since 1963 by the Sony Corporation, Tokyo, Japan.
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Nine-transistor dual-band superheterodyne.
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Ranges: MW - 530 ... 1605 kHz (actually 525 ... 1650).
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FM - 85 ... 108 MHz (actually 83 ... 110).
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IF - 455 kHz and 10.7 MHz.
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Power supply 6 volts, from 4 "D" batteries.
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The diameter of the loudspeaker is 9 centimeters.
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The maximum output power in the portable version is 300 mW.
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In the wearable version, the range of reproducible sound frequencies in the FM range is 150 ... 7000 Hz.
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In the automotive version, the maximum output power is about 600 mW, and the range of reproducible frequencies depends on the used car acoustics, but at the output to the acoustics it is not already 80 ... 10000 Hz.
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Model dimensions 250 x 175 x 85 mm.
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Weight portable with batteries 2.2 kg.
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