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571 Ch= 568

571 Ch= 568; National Union Radio (ID = 828657) Radio
 
571 Ch= 568; National Union Radio (ID = 828659) Radio
 
571 Ch= 568; National Union Radio (ID = 828660) Radio
 
571 Ch= 568; National Union Radio (ID = 828662) Radio
571 Ch= 568; National Union Radio (ID = 660938) Radio 571 Ch= 568; National Union Radio (ID = 660939) Radio
571 Ch= 568; National Union Radio (ID = 828654) Radio 571 Ch= 568; National Union Radio (ID = 1170238) Radio
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571 Ch= 568; National Union Radio (ID = 660938) Radio
National Union Radio: 571 Ch= 568 [Radio] ID = 660938 900x686
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For model 571 Ch= 568, National Union Radio Corp.; Orange (NJ):
Perforated metal front panel. Walnut veneer cabinet. Original finish.
 
Country:  United States of America (USA)
Manufacturer / Brand:  National Union Radio Corp.; Orange (NJ)
Year: 1947 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 12SA7GT 12SK7GT 12SQ7GT 50L6GT 35Z5GT
Main principle Superheterodyne (common); ZF/IF 455 kHz
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 117 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm
Power out 1.5 W (unknown quality)
from Radiomuseum.org Model: 571 Ch= 568 - National Union Radio Corp.;
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 13.3 x 8 x 7.5 inch / 338 x 203 x 191 mm
Notes Perforated metal front panel. Rotating pointer dial (although appearance is similar to slide rule). Dial lamp is 6.3v Mazda #47.
External source of data Ernst Erb
Source of data Collector's Guide to Antique Radios 4. Edition
Circuit diagram reference Rider's Perpetual, Volume 17 = 1948 and before
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965
Literature/Schematics (1) Radio Retailing (Radio & Television R.) (January 1947 page 54.)


All listed radios etc. from National Union Radio Corp.; Orange (NJ)
Here you find 13 models, 6 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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