radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

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 / 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   
12a8_fivre_wire_1.png
12A8GT: my collection
Giuseppe Antonio Tusini
oc64_g_2.gif 12A8GT: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		12a8gt_techdat01.png
12A8GT: Sylvania Technical Manual
Peter Hoddow
Usage in Models 3= 1938 ; 10= 1939?? ; 34= 1939? ; 186= 1939 ; 12= 1940?? ; 16= 1940? ; 63= 1940 ; 4= 1941?? ; 8= 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= 1952?? ; 4= 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):401

Collection of

Hernani Capela (P)
Jacob Roschy (D)
Collection of a member from FIN
Hans-Werner Ellerbrock (D)
Franco Antolini (I)
Jan Peter Brömme (D)
Tor Steinnes (N)
Giuseppe Antonio Tusini (I)
George Papaiz (CDN)
Peter Pfeiffer (D)
Museum Roggenhofer (A)
 
12a8gt_020r.jpg

12A8GT
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
Data Compliance More Information