Antique radios, Old Time Radios

6SQ7GT

ID = 2988

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond. Common type USA tube/semicond. Philips; Eindhoven (tubes international!); Miniwatt Admiral (brand) Continental Radio & Television Co.; Chicago, IL
Developer:	Hytron; Salem (MA)
Tube type:	Double Diode-Triode Audio Frequency

Identical to

6SQ7GT = GT6SQ7 = CV1991 = 6SQ7GT/G

Similar Tubes

Other shape (e.g. bulb type):

6SQ7 ; 6SQ7G ; 6SQ7_DDR

Normally replaceable-slightly different:

6H6P ; 6SQ7GTY ; PBC3

Heater different:

12SQ7GT

Different connections:

6B6 ; 6B6G

Other base:

6B6M ; 7B6

Other base and other heater:

2A6

Multiple differences or of other kind:

6Z-DH3A

First Source (s)

04.May.1939 : Electron Tube Registration List

Predecessor Tubes

6Q7G 6Q7GT 6B6 6Z-DH3A 6Z-DH3

Successor Tubes

6AV6

Base

Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)

Was used by

Radio/TV-reception etc.

Filament

Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC

Tube prices

4 Tube prices (visible for members only)

Information source

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


6SQ7GT: RTT Schwandt Günther Stabe † 19.8.20 More ...	Just Qvigstad	6SQ7GT: Sylvania Technical Manual Peter Hoddow More ...

Usage in Models

28= 1939? ; 33= 1939 ; 12= 1940?? ; 54= 1940? ; 89= 1940 ; 24= 1941?? ; 9= 1941? ; 65= 1941 ; 28= 1942?? ; 40= 1942? ; 24= 1942 ; 2= 1943?? ; 2= 1943 ; 2= 1944?? ; 1= 1944? ; 2= 1945?? ; 2= 1945? ; 5= 1945 ; 14= 1946?? ; 20= 1946? ; 66= 1946 ; 28= 1947?? ; 9= 1947? ; 109= 1947 ; 20= 1948?? ; 19= 1948? ; 92= 1948 ; 13= 1949?? ; 33= 1949? ; 81= 1949 ; 22= 1950?? ; 21= 1950? ; 37= 1950 ; 11= 1951?? ; 39= 1951? ; 15= 1951 ; 8= 1952?? ; 16= 1952? ; 15= 1952 ; 6= 1953?? ; 1= 1953? ; 6= 1953 ; 3= 1954?? ; 1= 1954? ; 1= 1955?? ; 3= 1955 ; 2= 1956? ; 8= 1956 ; 1= 1957?? ; 6= 1957 ; 13= 1958 ; 3= 1960?? ; 1= 1960 ; 1= 1962?? ; 1= 1968??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1167

Collection of

6SQ7GT

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6SQ7GT

Common type USA tube/semicond.

Collection of