Portable radio &quot;Bulova 620&quot; (Comet) has been produced since 1957 by &quot;Bulova Watch&quot; corporation, USA. Comet - Comet. Superheterodyne on 4 transistors. There was also an option with five transistors. Range 535 ... 1620 kHz. IF 455 kHz. Power supply 9 volts. Loudspeaker diameter 6.5 cm. Maximum output power 80 mW. The range of reproducible frequencies is 250 ... 4000 Hz. Dimensions RP 160x75x40 mm. Weight 425 gr.

... The project for the preservation of images of devices released by the industry of the world in the XX century.

Portable radio `` Bulova 620 '' (Comet).