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12J5GT

Information - Help 
ID = 3739
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode, vacuum   Universal 
Identical to 12J5GT = VT-135
Similar Tubes
Other shape (e.g. bulb type):
  12J5 ; 12J5G
Other class quality (otherwise equal):
  CV535
Heater different:
  6J5GT
Other base:
  14A4
First Source (s)
28.Mar.1939 : Electron Tube Registration List
Successor Tubes 14A4   12G4  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 5 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
 
12j5gt_rna.jpg
12J5GT: Collection JR
Jacob Roschy

 
6q_12.png
12J5GT
Emilio Ciardiello

 
12j5gt_techdat01.png
12J5GT: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1939? ; 11= 1939 ; 1= 1940?? ; 14= 1940? ; 9= 1940 ; 3= 1941?? ; 44= 1941? ; 22= 1941 ; 1= 1942?? ; 9= 1942? ; 3= 1942 ; 1= 1944 ; 5= 1945 ; 1= 1946?? ; 4= 1946 ; 10= 1947?? ; 1= 1947? ; 12= 1947 ; 2= 1948? ; 1= 1949?? ; 1= 1950?? ; 2= 1950 ; 2= 1951? ; 2= 1951 ; 1= 1952?? ; 1= 1954??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):164


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