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12J7GT

Information - Help 
ID = 3854
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to 12J7GT = CV917
Similar Tubes
Other shape (e.g. bulb type):
  12J7G
Heater different:
  6J7GT
First Source (s)
07.Jan.1939 : Electron Tube Registration List
Successor Tubes 12SJ7GT  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf) Top contact with a cap
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 3 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
12j7gt_016r.jpg
12J7GT: Collection JR
Jacob Roschy

 
12j7gt_so.png
12J7GT: rtt
Michael Schlör

 
12j7gt_techdat01.png
12J7GT: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1939? ; 7= 1939 ; 7= 1940?? ; 10= 1940 ; 2= 1941?? ; 1= 1941? ; 1= 1941 ; 1= 1942?? ; 1= 1942? ; 1= 1942 ; 1= 1949?? ; 1= 1949? ; 6= 1949 ; 1= 1951 ; 1= 1952?? ; 1= 1952? ; 2= 1952 ; 1= 1956

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):46


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