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12K8GT

Information - Help 
ID = 5432
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Hytron; Salem (MA) 
Tube type:  Triode-Hexode   Frequency converter   Controlling (mu) 
Identical to 12K8GT
Similar Tubes
Other shape (e.g. bulb type):
  12K8
Heater different:
  6K8GT
First Source (s)
15.Sep.1939 : Electron Tube Registration List

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  12k8gt35l6gt_1.png
  12K8GT: Funktechnik 22/48 Seite 553
Egon Strampe
 
gb_mullard_12k8gt.jpg
12K8GT: 12K8GT
Howard Craven

 
8k_17.png
12K8GT
Emilio Ciardiello

 
12k8gt_techdat01.png
12K8GT: Sylvania Technical Manual
Peter Hoddow


from Just Qvigstad

Usage in Models 1= 1940? ; 1= 1941 ; 1= 1945?? ; 1= 1945 ; 8= 1946 ; 1= 1947? ; 11= 1947 ; 3= 1948 ; 1= 1949?? ; 1= 1949? ; 7= 1949 ; 1= 1950?? ; 2= 1950 ; 4= 1951 ; 1= 1952

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):44


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