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78E

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ID = 19927
       
Country:
United States of America (USA)
Brand: National Union Radio Corp.; Orange (NJ)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 78E = 78
Similar Tubes
Other base:
  6K7EG ; 6K7G

Base 6-Pin-Base U6A, old, USA Top contact with a cap
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
78e.jpg
78E: Own Collection
Tor Steinnes

 
472_18.png
78E: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 1= 1933? ; 1= 1935?? ; 3= 1935 ; 2= 1936? ; 7= 1936 ; 10= 1937 ; 11= 1938 ; 1= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):36


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