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7C7E

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ID = 25567
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to 7C7E
Similar Tubes
Differences not known by us:
  7C7
First Source (s)
31.Mar.1939 : Electron Tube Registration List

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

7c7e_so.png 7C7E: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
Usage in Models 1= 1940

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
d5b948dd_f868_49ce_9756_9b5a652ef6fc.jpeg

7C7E
 

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