Antique radios, Old Time Radios

12K7GT

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

Tube ID = 3588


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Identical to	12K7GT
Similar Tubes	Other shape (e.g. bulb type): 12K7G; 12K7M; OF5
Predecessor Tubes	12K7G
Successor Tubes	12SK7GT 14A7

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	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49

DS
Anonymous 249 Collector

RTT Schwandt
Günther Stabe

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	1= 1933 ; 3= 1934 ; 1= 1938? ; 2= 1938 ; 8= 1939?? ; 25= 1939? ; 164= 1939 ; 32= 1940?? ; 13= 1940? ; 86= 1940 ; 12= 1941?? ; 8= 1941? ; 19= 1941 ; 6= 1942?? ; 14= 1942? ; 3= 1942 ; 1= 1946?? ; 6= 1946 ; 3= 1947?? ; 3= 1947 ; 1= 1948?? ; 1= 1948 ; 7= 1949 ; 4= 1950?? ; 2= 1950 ; 1= 1951?? ; 2= 1951 ; 3= 1956 ; 3= 9999 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 434

No further Information for

12K7GT

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