The Hitachi TH-667 portable radio has been manufactured since 1958 by the Japanese company Hitachi Ltd.
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This is a superheterodyne on six transistors.
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The AM range is 535 ... 1605 kHz.
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IF - 455 kHz.
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Sensitivity 2 mV / m.
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Selectivity is about 22 dB.
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AGC (as indeed everyone else).
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Rated output power 75 mW, maximum 150 mW.
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The range of reproduced sound frequencies is 240 ... 3800 Hz.
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Powered by 4 AA batteries - 6 volts.
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Dimensions of the model are 170x110x44 mm.
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The radio was available in three colors of the case, pale pink, light blue and light green.
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The receiver was exported to the USA.
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The price of the model in the first year of sales is $ 45.
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Photos and information about the model are taken from the sites http://www.abetterpage.com/ and http://tasha.eecs.umich.edu/.
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