Portable radio "Hitachi TH-666".
Portable radios and receivers.ForeignPortable radio "Hitachi TH-666" has been produced since 1959 by "Hitachi" company. Tokyo. Japan. Superheterodyne on 6 transistors. Range 535 ... 1605 kHz. IF 455 kHz. AGC. Powered by a 9 volt battery. Maximum output power 80 mW. Dimensions of the model 100x60x32 mm. Weight 230 grams. The first models had a connector for a headphone or an external speaker, later a connector for power supply from an external source was added. Separately for the radio, you could purchase a branded loudspeaker in a case. By inserting a radio receiver into a niche and connecting a connector, it was possible to improve the sound quality.
