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6A8GT

Information - Help 
ID = 2689
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old) 
Identical to 6A8GT = VT-151B = 6A8GTX
Similar Tubes
Other shape (e.g. bulb type):
  6A8 ; 6A8G ; 6A8MG ; 6A8V
Other class quality (otherwise equal):
  CV580
Heater different:
  12A8GT
Other base:
  7B8
First Source (s)
11.Mar.1938 : Electron Tube Registration List
Predecessor Tubes 6A7   6A8G  
Successor Tubes 6TE8GT   7B8   6SA7GT   7Q7  
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue) Top contact with a cap.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  12a8_fivre_wire_1~~1.png
  6A8GT: my collection
Giuseppe Antonio Tusini
 
6a8gt_rm384s.jpg
6A8GT: Collection JR
Jacob Roschy
More ...
 
414_9.png
6A8GT: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
 
6a7a8_1_3.png
6A8GT: Manufacturer's Literature
Emilio Ciardiello
More ...

from Just Qvigstad
Usage in Models 3= 1938? ; 13= 1938 ; 12= 1939?? ; 32= 1939? ; 73= 1939 ; 10= 1940?? ; 5= 1940? ; 73= 1940 ; 11= 1941?? ; 4= 1941? ; 11= 1941 ; 6= 1942?? ; 11= 1942? ; 4= 1942 ; 1= 1943? ; 1= 1944? ; 1= 1945?? ; 2= 1945? ; 2= 1945 ; 2= 1946?? ; 9= 1946 ; 3= 1947?? ; 2= 1947? ; 12= 1947 ; 2= 1948 ; 1= 1949?? ; 1= 1949 ; 2= 1950?? ; 3= 1951? ; 1= 1959? ; 1= 1962??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):314
Collection of Jacob Roschy (D)
Collection of Christian Schaufelberger (CH)
Collection of Mario Coelho (P)
Collection of Peter Gruschka (D)
Collection of Heinz Schmidt (D)
Collection of Aldo Patriarca (CH)
Collection of Ottmar Rollmann (D)
Collection of Jozef Brughmans † (B)
Collection of Georges Werts (B)
Collection of Massimo Pedrina (I)
Collection of Stuart Irwin (AUS)
Collection of Alberto Ammendola (I)
Collection of Siegmar Mey (D)
Collection of Antonio Bordini (I)
Collection of Oskar Elm (D)
Collection of Tor Steinnes (N)
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