Sony TR-86 1959
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The Sony TR-86 portable radio has been produced since 1959 by the Sony Corporation. ,86e6f450b8cc469628ba70bf2947b049 Tokyo. ,86e6f450b8cc469628ba70bf2947b049 Japan. A very serious radio receiver. ,86e6f450b8cc469628ba70bf2947b049 Superheterodyne on 8 transistors. ,86e6f450b8cc469628ba70bf2947b049 Separate transistor for local oscillator. ,86e6f450b8cc469628ba70bf2947b049 Single transistor for preamplifying the signal after the detector. ,86e6f450b8cc469628ba70bf2947b049 Very high selectivity of the IF amplifier for adjacent and mirror channels. ,86e6f450b8cc469628ba70bf2947b049 AM range - 535 ... 1605 kHz. ,86e6f450b8cc469628ba70bf2947b049 IF - 455 kHz. ,86e6f450b8cc469628ba70bf2947b049 Sensitivity 1 mV / m. ,86e6f450b8cc469628ba70bf2947b049 Selectivity 28 dB. ,86e6f450b8cc469628ba70bf2947b049 Power supply 9 volts. ,86e6f450b8cc469628ba70bf2947b049 Rated output power 50 mW. ,86e6f450b8cc469628ba70bf2947b049 The range of reproducible sound frequencies is 280 ... 4000 Hz. ,86e6f450b8cc469628ba70bf2947b049 Dimensions of the model are 114x71x34 mm. ,86e6f450b8cc469628ba70bf2947b049 Weight 290 gr. ,86e6f450b8cc469628ba70bf2947b049 ,null,ru,null,null,null,null
Information from collection of Valery Khartchenko