Portable radios Sharp TR-203 and Coronado RA50-9907.

Portable radios and receivers.ForeignPortable radios "Sharp TR-203" and "Coronado RA50-9907" from 1958 and from 1959, respectively, were produced by the Japanese company Hayakawa Electric, (Sharp) and the American company Gamble-Skogmo. Models, except for the name and manufacturer, do not differ from each other. Superheterodyne on eight transistors. Ranges AM 535 ... 1605 kHz and SW 3.9 ... 12 MHz. IF 455 kHz. Power supply of 6 AA elements. The range of reproducible sound frequencies is 220 ... 4000 Hz. Maximum output power 200 mW. Dimensions of the model are 191x121x52 mm.