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7B7E

Country:  United States of America (USA)      Brand:  National Union Radio Corp.; Orange (NJ) 
  Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Tube ID = 2856
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Identical to 7B7E
Similar Tubes Normally replaceable-slightly different:
 7B7
Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /

7b7e_so.png
7B7E: ARRL Handbook 1972
Michael Schlör
 
Usage in Models   3= 1939 ; 1= 1940 ; 4= 1946
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   8
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