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N78

Information - Help 
ID = 19329
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Vacuum Pentode   Power/Output 
Identical to N78 = 6BJ5 = CV3711

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.64 Ampere / Indirect / Parallel, (AC/DC)
Description Pa <9W, Va <250. gm 10.5mA/V 
Dimensions (WHD)
incl. pins / tip
19 x 70 x mm / 0.75 x 2.76 x inch
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   GEC April 1952
  n78_application.png
  N78: Radio Communication Handbook
Antonio Rabitti
 
n78_tube.jpg
N78: eig. Sammlung
Jan Peter Brömme

 
n78_so.png
N78: ARRL Handbook 1972
Michael Schlör

 
n78_1.png
N78: own collection
Peter den Boer


from Just Qvigstad

Usage in Models 4= 1950?? ; 1= 1950? ; 7= 1950 ; 19= 1951 ; 1= 1952?? ; 1= 1952? ; 5= 1952 ; 6= 1953? ; 3= 1953 ; 3= 1954? ; 4= 1954 ; 2= 1955?? ; 4= 1955? ; 2= 1955 ; 1= 1956 ; 1= 1957?? ; 3= 1957? ; 3= 1959?? ; 3= 1959?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):73


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