12SQ7GT, Tube 12SQ7GT; Röhre 12SQ7GT (12SQ7GT)

Antique radios, Old Time Radios

12SQ7GT

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Double Diode-Triode Audio Frequency

Tube ID = 2952


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Identical to	12SQ7GT
Similar Tubes	6SQ7GT (Heater different) 12SQ7 (other shape (e.g. bulb, size)) 14B6 (other base) OBC3 (other shape (e.g. bulb, size))
First Series	1939 -- Collector info (Sammler)
First Source (s)	01.May.1939 : Electron Tube Registration List
Predecessor Tubes	12Q7G
Successor Tubes	12AT6

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Series, AC/DC / If: 0.15 Ampere / Vf 12.6 Volts /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49

John Koster
John Koster

RTT Schwandt
Günther Stabe

Sylvania Technical Manual
Peter Hoddow

Usage in Models

2= 1937 ; 12= 1939? ; 40= 1939 ; 35= 1940?? ; 15= 1940? ; 71= 1940 ; 14= 1941?? ; 14= 1941? ; 43= 1941 ; 12= 1942?? ; 9= 1942? ; 24= 1942 ; 7= 1944?? ; 5= 1945? ; 8= 1945 ; 17= 1946?? ; 36= 1946? ; 67= 1946 ; 28= 1947?? ; 10= 1947? ; 72= 1947 ; 4= 1948?? ; 4= 1948? ; 16= 1948 ; 16= 1949?? ; 4= 1949? ; 24= 1949 ; 23= 1950?? ; 1= 1950? ; 6= 1950 ; 15= 1951?? ; 1= 1951? ; 35= 1951 ; 4= 1952?? ; 1= 1952? ; 6= 1952 ;

Number of Models with this tube 715

No further Information for

12SQ7GT

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