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12A8GT

Information - Help 
ID = 3829
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old) 
Identical to 12A8GT = CV910
Similar Tubes
Other shape (e.g. bulb type):
  12A8G ; OH4
Normally replaceable-slightly different:
  12A8 ; 12A8M ; 12A8MT
Heater different:
  6A8GT
Other base:
  14B8
First Source (s)
07.Jan.1939 : Electron Tube Registration List
Predecessor Tubes 12A8G  
Successor Tubes 12SA7GT  

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)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  12a8_fivre_wire_1.png
  12A8GT: my collection
Giuseppe Antonio Tusini
 
12a8gt_020r.jpg
12A8GT: Collection JR
Jacob Roschy

 
oc64_g_2.gif
12A8GT: RTT Schwandt
Günther Stabe

 
12a8gt_techdat01.png
12A8GT: Sylvania Technical Manual
Peter Hoddow


Usage in Models 3= 1938 ; 9= 1939?? ; 33= 1939? ; 186= 1939 ; 12= 1940?? ; 14= 1940? ; 63= 1940 ; 4= 1941?? ; 7= 1941? ; 11= 1941 ; 8= 1942?? ; 9= 1942? ; 1= 1942 ; 1= 1945 ; 5= 1946?? ; 1= 1946? ; 2= 1946 ; 1= 1947?? ; 4= 1947 ; 1= 1948?? ; 1= 1948? ; 1= 1949 ; 4= 1950?? ; 1= 1951?? ; 1= 1951? ; 1= 1951 ; 1= 1952?? ; 1= 1952? ; 2= 1952 ; 2= 1954?? ; 2= 1954? ; 2= 1956 ; 1= 2000?? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):396


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