Antique radios, Old Time Radios

12J5GT

Country:	United States of America (USA)		Brand:	Common type USA tube
			Tube type:	Triode, vacuum Universal

Tube ID = 3739

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Identical to	12J5GT = VT-135
Similar Tubes	Other shape (e.g. bulb type): 12J5; 12J5G Other class quality (otherwise equal): CV535 Heater different: 6J5GT Other base: 14A4
First Source (s)	28.Mar.1939 : Electron Tube Registration List
Successor Tubes	14A4 12G4

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	1 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49

12J5GT: Collection JR
Jacob Roschy

12J5GT
Emilio Ciardiello

12J5GT: Sylvania Technical Manual
Peter Hoddow

Usage in Models	1= 1939? ; 9= 1939 ; 2= 1940?? ; 14= 1940? ; 8= 1940 ; 4= 1941?? ; 43= 1941? ; 19= 1941 ; 1= 1942?? ; 11= 1942? ; 3= 1942 ; 5= 1945 ; 1= 1946?? ; 4= 1946 ; 10= 1947?? ; 1= 1947? ; 12= 1947 ; 2= 1948? ; 2= 1949?? ; 1= 1950?? ; 2= 1950 ; 1= 1951? ; 2= 1951 ; 1= 1952?? ; 1= 1954??
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 160

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