Portable radio `` Sony TR-86 ''.

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