Portable transistor radio `` Sony TR-63 ''.

Portable radios and receivers.ForeignThe Sony TR-63 portable radio has been produced since 1957 by Tokyo Tsushin Kogyo, later Sony. Superheterodyne on 6 transistors and 2 diodes. AM range - 535 ... 1620 kHz. IF - 455 kHz. Sensitivity ~ 3 mV / m. Rated output power 25 mW. Power supply - 9 volts. Quiescent current 2 ... 3 mA. RP dimensions - 112x71x32 mm. Weight 380 gr. The model was produced in different countries by subsidiaries.