The Hitachi TH-621 portable radio has been manufactured since 1957 by the Japanese company Hitachi Ltd.
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The radio was created by Standard Radio Co. LTD and practically repeats its own Standart SR-F22 model, but with changed characteristics.
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The AM range is 535 ... 1605 kHz.
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IF - 455 kHz.
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Sensitivity ~ 4.5 mV / m.
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Selectivity 14 ... 16 dB.
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Power supply - 9 volts.
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Rated output power 60 mW.
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The range of reproduced frequencies is 250 ... 3500 Hz.
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The loudspeaker reproduces low frequencies from 400 Hz, however, due to the case, 250 Hz is obtained.
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Dimensions of the model are 114x73x33 mm.
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Weight 390 gr.
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