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12Q7GT

Information - Help 
ID = 3830
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 12Q7GT
Similar Tubes
Other shape (e.g. bulb type):
  12Q7G ; 12Q7MGT
Other characteristic (electr. data):
  12B6G
Heater different:
  6Q7GT
First Source (s)
07.Jan.1939 : Electron Tube Registration List
Successor Tubes 1939   12SQ7   14B6   12AT6   12Q7G  
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf) 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
Description

12Q7GT was registered to Arcturus in January 1939, before the registration date of the 12Q7G, May 1939.

 
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
337_2~~6.png 12Q7GT: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		12q7gt_techdat01.png
12Q7GT: Sylvania Technical Manual
Peter Hoddow
More ...
Usage in Models 3= 1938 ; 8= 1939?? ; 26= 1939? ; 145= 1939 ; 8= 1940?? ; 20= 1940? ; 37= 1940 ; 5= 1941?? ; 7= 1941? ; 16= 1941 ; 6= 1942?? ; 9= 1942? ; 1= 1942 ; 1= 1943 ; 2= 1945 ; 5= 1946?? ; 1= 1946? ; 12= 1946 ; 1= 1947?? ; 2= 1947? ; 11= 1947 ; 4= 1948?? ; 3= 1948? ; 6= 1948 ; 1= 1949? ; 10= 1949 ; 3= 1950?? ; 3= 1950 ; 1= 1951? ; 4= 1951 ; 1= 1952?? ; 4= 1952? ; 1= 1956 ; 1= 2000??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):368

Collection of

Christian Schaufelberger (CH)
Massimo Pedrina (I)
Tomasz Szczesniak (PL)
Patrice Zeissloff (F)
Frank Cuffe (IRL)
Niclas Pettersson (S)
Tor Steinnes (N)
Antonio Rabitti (BR)
Trev Levick (D)
Jacob Roschy (D)
Hannu Alho (FIN)
Museum Roggenhofer (A)
Wilfried Winter (D)
George Papaiz (CDN)
Bruce Morgenstern (CDN)
Georges Werts (B)
 
12q7gt_354r.jpg

12Q7GT
 
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