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12SJ7GT

Information - Help 
ID = 3589
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Hytron; Salem (MA) 
Tube type:  Vacuum Pentode   Universal 
Identical to 12SJ7GT = CV698
Similar Tubes
Other shape (e.g. bulb type):
  12J7G ; 12SJ7
Heater different:
  6SJ7GT
First Source (s)
01.May.1939 : Electron Tube Registration List
Predecessor Tubes 12J7G   12J7GT  
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uka)
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
12sj7gt_so.png 12SJ7GT: rtt
Anonymous 10 Collector
More ...
Just Qvigstad 		12sj7gt_techdat01.png
12SJ7GT: Sylvania Technical Manual
Peter Hoddow
Usage in Models 1= 1939 ; 4= 1940 ; 4= 1941 ; 2= 1942?? ; 3= 1942? ; 1= 1942 ; 1= 1945? ; 12= 1946 ; 1= 1956
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):29

Collection of

David Erali (USA)
Shaun Merrigan (CDN)
Christian Schaufelberger (CH)
Massimo Pedrina (I)
Antonio Rabitti (BR)
Jacob Roschy (D)
 
12sj7gt_344r.jpg

12SJ7GT
 
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