Antique radios, Old Time Radios

12K7G

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

Tube ID = 2821


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Identical to	12K7G
Similar Tubes	Other shape (e.g. bulb type): 12K7GT Heater different: 6K7EG; 6K7G
First Source (s)	22.May.1939 : Electron Tube Registration List
Successor Tubes	12SK7GT 12K7GT

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
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	Taschenbuch zum Röhren-Codex 1948/49

RTT Schwandt
Günther Stabe

Usage in Models (calculation each 25th of the month)	1= 1939? ; 4= 1939 ; 3= 1940? ; 29= 1940 ; 3= 1941 ; 6= 1942 ; 1= 1943 ; 8= 1945? ; 1= 1948? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 56

No further Information for

12K7G

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