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7S490 7-S-490 Ch=5721 (AC/DC)

7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 67305) Radio
 
7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 2148406) Radio
 
7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 2148407) Radio
7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 312202) Radio 7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 312205) Radio
7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 312200) Radio 7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 312201) Radio
7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 312203) Radio 7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 312204) Radio
7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 241880) Radio
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7S490 7-S-490 Ch=5721; Zenith Radio Corp.; (ID = 312202) Radio
Zenith Radio Corp.;: 7S490 7-S-490 Ch=5721 [Radio] ID = 312202 381x607
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For model 7S490 7-S-490 Ch=5721 (AC/DC), Zenith Radio Corp.; Chicago, IL:
with courtesy by Ebayseller powerplantgirl open view
 
Country:  United States of America (USA)
Manufacturer / Brand:  Zenith Radio Corp.; Chicago, IL
alternative name
 
Chicago Radio Lab
Year: 1939 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 6A8G 6K7G 6Q7G 25Z6G 25Z6G 6AF5G 25AC5G
Main principle Super-Heterodyne (Super in general); ZF/IF 455 kHz
Wave bands Broadcast plus 2 Short Wave bands.
Details Record Player (perh.Changer)
Power type and voltage AC/DC-set / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out
from Radiomuseum.org Model: 7S490 7-S-490 Ch=5721 - Zenith Radio Corp.; Chicago,
Material Wooden case
Shape Console: Chairside Radio.
Dimensions (WHD) 15 x 21 x 26.9 inch / 381 x 533 x 683 mm
Notes Pushbuttons
Price in first year of sale 80.00 $
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 11 = ca. 1940 and before
Mentioned in Zenith Radio The Glory Years 1936-1945


All listed radios etc. from Zenith Radio Corp.; Chicago, IL
Here you find 4081 models, 3552 with images and 3229 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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