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12SA7G

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ID = 3587
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer:  
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (new) 
Identical to 12SA7G
Similar Tubes
Other shape (e.g. bulb type):
  12SA7 ; 12SA7GT
First Source (s)
06.Feb.1940 : Electron Tube Registration List
Predecessor Tubes 12A8G  
Successor Tubes 12BE6  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ud)
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
12sa7g_1_1_timesheetboy.jpg
12SA7G: H.A.
Hans Amberger

 
12sa7g_so.png
12SA7G: ARRL Handbook 1972
Michael Schlör

 

Usage in Models 3= 1940 ; 13= 1941 ; 14= 1942 ; 9= 1946?? ; 2= 1949?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):41

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