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12SA7GT

Information - Help 
ID = 2635
       
Country:
United States of America (USA)
Brand:
Developer: Tung-Sol Electric Inc.; Newark (NJ) 
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (new)   Controlling (mu) 
Identical to 12SA7GT = CV538 = 12SA7GT/G
Similar Tubes
Other shape (e.g. bulb type):
  12SA7 ; 12SA7G
Normally replaceable-slightly different:
  12A7P
Other class quality (otherwise equal):
  12SA7GTY
Different maximum ratings:
  12SY7GT
Heater different:
  6SA7GT
First Source (s)
17.Mar.1939 : Electron Tube Registration List
Predecessor Tubes 12A8G   12A8GT  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Udo)
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   
  12sa7gt.png
  12SA7GT: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
usa_hytron_12sa7.jpg
12SA7GT: STS
Sandor Selyem-Tóth

 
oc139_g_1.gif
12SA7GT: RTT Schwandt
Günther Stabe

 
12sa7gt_data_a.png
12SA7GT: Tung Sol, 1948
Günter Kudicke


Usage in Models 3= 1938 ; 6= 1939? ; 52= 1939 ; 46= 1940?? ; 26= 1940? ; 81= 1940 ; 12= 1941?? ; 25= 1941? ; 62= 1941 ; 10= 1942?? ; 27= 1942? ; 13= 1942 ; 1= 1943 ; 1= 1944?? ; 1= 1944 ; 6= 1945? ; 10= 1945 ; 8= 1946?? ; 43= 1946? ; 131= 1946 ; 27= 1947?? ; 22= 1947? ; 82= 1947 ; 4= 1948?? ; 14= 1948? ; 33= 1948 ; 9= 1949?? ; 3= 1949? ; 23= 1949 ; 25= 1950?? ; 1= 1950? ; 10= 1950 ; 14= 1951?? ; 2= 1951? ; 3= 1951 ; 3= 1952?? ; 1= 1952? ; 5= 1952 ; 1= 1953? ; 2= 1954? ; 4= 1955?? ; 1= 1956?? ; 1= 1956? ; 1= 1956 ; 1= 1957 ; 1= 1960?? ; 2= 1960?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):859


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