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12K7GT

Information - Help 
ID = 3588
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 12K7GT = CV918 = 12K7
Similar Tubes
Other shape (e.g. bulb type):
  12K7G ; 12K7M ; OF5
Normally replaceable-slightly different:
  12K7MT
Heater different:
  6K7GT
First Source (s)
07.Jan.1939 : Electron Tube Registration List
Successor Tubes 12SK7GT   14A7  
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

RF/IF remote cut-off amplifier.

12K7GT was registered to Arcturus several months before the ST shaped 12K7G, proposed by National Union.

 
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
oc10_g_6.gif 12K7GT: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		12k7gt_techdat01.png
12K7GT: Sylvania Technical Manual
Peter Hoddow
More ...
Usage in Models 3= 1938 ; 9= 1939?? ; 41= 1939? ; 204= 1939 ; 26= 1940?? ; 27= 1940? ; 101= 1940 ; 9= 1941?? ; 17= 1941? ; 28= 1941 ; 6= 1942?? ; 13= 1942? ; 2= 1942 ; 2= 1945 ; 7= 1946?? ; 1= 1946? ; 9= 1946 ; 2= 1947?? ; 2= 1947? ; 6= 1947 ; 1= 1948?? ; 1= 1948? ; 2= 1948 ; 1= 1949? ; 9= 1949 ; 5= 1950?? ; 2= 1950? ; 1= 1950 ; 1= 1951? ; 4= 1951 ; 1= 1955?? ; 3= 1956 ; 1= 2000??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):547

Collection of

Museum Roggenhofer (A)
David Erali (USA)
George Papaiz (CDN)
Shaun Merrigan (CDN)
Christian Schaufelberger (CH)
John Koster (NL)
Giovanni Signorelli (I)
Timo Rantasaari (FIN)
Danko Tkalec (HR)
Frank Cuffe (IRL)
Tor Steinnes (N)
Collection of a member from D
Rudolf Kernchen (D)
Jacob Roschy (D)
Peter Pfeiffer (D)
 
12k7gt_018r.jpg

12K7GT
 
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