Channel Master 6503 1959
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The Channel Master 6503 portable radio has been produced since 1959 by two companies, the Japanese Sony and the American Channel Master. ,8caa42f5a9df53968033bf99609e44f6 Superheterodyne on 5 transistors. ,8caa42f5a9df53968033bf99609e44f6 AM range 540 ... 1600 kHz. ,8caa42f5a9df53968033bf99609e44f6 IF 455 kHz. ,8caa42f5a9df53968033bf99609e44f6 Battery powered 9 volts. ,8caa42f5a9df53968033bf99609e44f6 Due to the small number of transistors, the receiver had a low sensitivity (~ 5 mV / m) and sufficient volume in a small radius from the radio station. ,8caa42f5a9df53968033bf99609e44f6 Selectivity also did not exceed 12 dB. ,8caa42f5a9df53968033bf99609e44f6 Dimensions of the model are 67x108x32 mm. ,8caa42f5a9df53968033bf99609e44f6 ,null,ru,null,null,null,null
Information from collection of Valery Khartchenko