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7S242AT Zephyr Ch=5709AT

7S242AT Zephyr Ch=5709AT; Zenith Radio Corp.; (ID = 188130) Radio
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7S242AT Zephyr Ch=5709AT; Zenith Radio Corp.; (ID = 188130) Radio
Zenith Radio Corp.;: 7S242AT Zephyr Ch=5709AT [Radio] ID = 188130 500x390
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For model 7S242AT Zephyr Ch=5709AT, Zenith Radio Corp.; Chicago, IL:
7-S-242AT (Ch=5709AT) copyright by John Goller. Image shows model 7-S-242. Model 7-S-242AT use the same cabinett
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
Chicago Radio Lab
Year: 1937 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 6A8G 6K7G 6H6G 6F5G 6T5 6F6G 5Y4G
Main principle Superheterodyne (common); ZF/IF 456 kHz
Wave bands Broadcast, Short Wave(s) and Police.
Power type and voltage Alternating Current supply (AC) / 110-250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out
from Model: 7S242AT Zephyr Ch=5709AT - Zenith Radio Corp.; Chicago,
Material Wooden case
Shape Console: Chairside Radio.
Dimensions (WHD) 23.3 x 22.5 x 16.8 inch / 592 x 572 x 427 mm
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 9 = 1938 and before

All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4270 models, 3896 with images and 3386 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.