Antique radios, Old Time Radios

12SJ7GT

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Vacuum Pentode Universal

Tube ID = 3589


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Identical to	12SJ7GT
Similar Tubes	Other shape (e.g. bulb type): 12J7G; 12SJ7 Heater different: 6SJ7GT
First Source (s)	01.May.1939 : Electron Tube Registration List
Predecessor Tubes	12J7G 12J7GT

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uka)
Was used by	Radio/TV-reception etc.
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

scc
Christian Schaufelberger

Datenblatt
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	1= 1939 ; 2= 1940 ; 2= 1942?? ; 5= 1942? ; 2= 1942 ; 1= 1945? ; 1= 1946? ; 11= 1946 ; 1= 1956 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 26

No further Information for

12SJ7GT

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