Antique radios, Old Time Radios

12SK7GT

Country:	United States of America (USA)		Brand:	Common type USA tube
			Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Tube ID = 2823

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Identical to	12SK7GT = 12SK7GT/G
Similar Tubes	Other shape (e.g. bulb type): 12SK7 Normally replaceable-slightly different: 12K3P Other class quality (otherwise equal): CV544 Other base: 14A7
First Source (s)	01.May.1939 : Electron Tube Registration List
Predecessor Tubes	12K7G 12K7GT
Successor Tubes	14A7 12BA6

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uka)
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49

12SK7GT: Collezione personale
Massimo Pedrina

12SK7GT: RTT Schwandt
Günther Stabe

12SK7GT: Sylvania Technical Manual
Peter Hoddow

Usage in Models

1= 1939? ; 14= 1939 ; 27= 1940?? ; 14= 1940? ; 56= 1940 ; 14= 1941?? ; 24= 1941? ; 56= 1941 ; 18= 1942?? ; 26= 1942? ; 21= 1942 ; 1= 1944?? ; 8= 1945? ; 7= 1945 ; 17= 1946?? ; 40= 1946? ; 125= 1946 ; 26= 1947?? ; 10= 1947? ; 72= 1947 ; 4= 1948?? ; 5= 1948? ; 24= 1948 ; 7= 1949?? ; 4= 1949? ; 23= 1949 ; 33= 1950?? ; 18= 1950 ; 14= 1951?? ; 2= 1951? ; 8= 1951 ; 3= 1952?? ; 1= 1952? ; 5= 1952 ; 2= 1954? ; 4= 1955?? ; 2= 1955 ; 1= 1956?? ; 1= 1959 ; 1= 9999

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 739

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