Network tube radio '' Zenith 7S323 ''.
Tube radios.ForeignThe network tube radio "Zenith 7-S-323" has been produced since 1939 by the "Zenith Radio" corporation, Chicago, USA. Superheterodyne on seven radio tubes. Ranges: MW - 550 ... 1725 kHz. SW-1 - 2.3 ... 7.8 MHz. SW-2 - 7.75 ... 24.5 MHz. IF - 455 kHz. The US Maritime and Police Services worked on the MW range from 1600 to 1725 kHz. Powered by 115 volt alternating current. Speaker diameter 20.3 cm. Model dimensions 585 x 355 x 320 mm. Weight 9.2 kg. No information about window buttons. Perhaps they were used in some other model, since in those years chassis No. 5714 was used quite widely in many designs of radio receivers and radio transmitters.
