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12J7G

Information - Help 
ID = 3586
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to 12J7G
Similar Tubes
Other shape (e.g. bulb type):
  12J7GT ; 12SJ7GT
Heater different:
  6J7G
First Source (s)
06.Feb.1940 : Electron Tube Registration List
Successor Tubes 12SJ7GT  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
12j7g.jpg
12J7G: D.C.
Daniel Consales

 
6j7.png
12J7G: Datenblatt
Wolfgang Bauer

 

Usage in Models 2= 1940? ; 2= 1940 ; 8= 1941 ; 5= 1942

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):17


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