Antique radios, Old Time Radios

6SK7

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

Tube ID = 2717


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Identical to	6SK7 = 6k3 = 6k17b = VT-117
Similar Tubes	Other shape (e.g. bulb type): 3111_OSW; 6SK7GT; 6SK7MG; OSW3111 Other class quality (otherwise equal): 6SK7WA; 6SK7Y Heater different: 12SK7; 5661 Other base: 7A7 Multiple differences or of other kind: 6137
First Series	1939 -- Collector info (Sammler)
First Source (s)	07.Oct.1938 : Electron Tube Registration List
Predecessor Tubes	6K7G 6K7 6K7GT 6U7G
Successor Tubes	6BA6 7A7

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

Variants

RCA Reference Book 1968
Michael Schlör

SEL Handbuch 1964
Peter Hoddow

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

2= 1934 ; 1= 1937? ; 2= 1937 ; 2= 1938?? ; 6= 1938? ; 9= 1938 ; 15= 1939?? ; 110= 1939? ; 236= 1939 ; 53= 1940?? ; 179= 1940? ; 268= 1940 ; 88= 1941?? ; 50= 1941? ; 293= 1941 ; 82= 1942?? ; 67= 1942? ; 66= 1942 ; 1= 1943? ; 3= 1943 ; 1= 1944?? ; 4= 1944 ; 11= 1945?? ; 4= 1945? ; 7= 1945 ; 44= 1946?? ; 21= 1946? ; 142= 1946 ; 64= 1947?? ; 19= 1947? ; 113= 1947 ; 31= 1948?? ; 14= 1948? ; 109= 1948 ; 43= 1949?? ; 14= 1949? ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 2570

Variants
eigenes Foto Sigurd Hauschild	6SK7*DDR-Glas Glaskolben auf Bakelitsockel "WF" (DDR) 23.May.2008 Sigurd Hauschild

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6SK7

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6SK7

Variants

6SK7*DDR-Glas

6SK7