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7B7E

Information - Help 
ID = 2856
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
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.jpg
7B7E: Michael Gnaedig
Michael Gnaedig-Fischer

 
7b7e_so.png
7B7E: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 2= 1939 ; 5= 1940 ; 1= 1941? ; 3= 1941 ; 1= 1943 ; 4= 1946

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16


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