6SQ7, Tube 6SQ7; Röhre 6SQ7 (6SQ7)

Antique radios, Old Time Radios

6SQ7

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

Tube ID = 2986


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Identical to	6SQ7 = CV1991 = 6g2 = 6r17b = VT-103
Similar Tubes	Other shape (e.g. bulb type): 3105_OSW; 6SQ7-M; 6SQ7GT; 6SQ7_DDR; OSW3105 Heater different: 12SQ7 Other base: 6Z-DH3A; 6ZDH3A; 75; 7B6 Other base and other base diagram: 2A6 Multiple differences or of other kind: CV1990
First Series	1939 -- Collector info (Sammler)
First Source (s)	07.Oct.1938 : Electron Tube Registration List
Predecessor Tubes	6Q7 6B6
Successor Tubes	6AT6 6AV6 7B6

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 / -: Parallel / series AC/DC /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Michael Schlör

collection JR
Jacob Roschy

Telefunken Werkstattbuch
Wolfgang Bauer

SEL Handbuch 1964
Peter Hoddow

Usage in Models (calculation each 25th of the month)

1= 1937? ; 1= 1937 ; 1= 1938?? ; 4= 1938? ; 10= 1938 ; 9= 1939?? ; 85= 1939? ; 215= 1939 ; 47= 1940?? ; 176= 1940? ; 209= 1940 ; 84= 1941?? ; 49= 1941? ; 266= 1941 ; 80= 1942?? ; 64= 1942? ; 65= 1942 ; 1= 1943?? ; 2= 1943 ; 1= 1944?? ; 2= 1944? ; 5= 1944 ; 11= 1945?? ; 4= 1945? ; 6= 1945 ; 43= 1946?? ; 13= 1946? ; 131= 1946 ; 50= 1947?? ; 17= 1947? ; 137= 1947 ; 34= 1948?? ; 14= 1948? ; 124= 1948 ; 36= 1949?? ; 19= 1949? ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2451

Further Information for

6SQ7

6SQ7 (6SQ7) (07.08.2007) Heinz Höger	Clicks: 416 Replies: 0
Eine weitere Anwendung der 6SQ7 findet sich auf dem Blatt der 6L6GB

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