Antique radios, Old Time Radios

6SK7

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

Tube ID = 2717

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Identical to	6SK7 = 6k3 = 6k17b = VT-117 = CV1981
Similar Tubes	Other shape (e.g. bulb type): 3111_OSW; 6SK7GT; 6SK7MG; GT6SK7; OSW3111 Other class quality (otherwise equal): 6SK7WA; 6SK7Y Heater different: 12SK7; 5661 Other base: 6BD6; 7A7 Multiple differences or of other kind: 6137
First year	1938 -- Collector info (Sammler)
First Source (s)	07.Oct.1938 : Electron Tube Registration List
Predecessor Tubes	6K7G 6K7 6K7GT 6U7G 6K7GM
Successor Tubes	1946 6BA6 7A7

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


	6SK7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Michael Schlör

6SK7: collection JR
Jacob Roschy

Variants

6SK7: RCA Reference Book 1968
Michael Schlör

6SK7: Original data sheet
Otto Galli

Usage in Models

2= 1934 ; 2= 1937 ; 2= 1938?? ; 6= 1938? ; 9= 1938 ; 16= 1939?? ; 112= 1939? ; 292= 1939 ; 53= 1940?? ; 187= 1940? ; 409= 1940 ; 88= 1941?? ; 84= 1941? ; 379= 1941 ; 84= 1942?? ; 91= 1942? ; 74= 1942 ; 1= 1943? ; 3= 1943 ; 1= 1944?? ; 1= 1944? ; 5= 1944 ; 12= 1945?? ; 4= 1945? ; 12= 1945 ; 46= 1946?? ; 39= 1946? ; 193= 1946 ; 55= 1947?? ; 28= 1947? ; 125= 1947 ; 33= 1948?? ; 18= 1948? ; 126= 1948 ; 49= 1949?? ; 17= 1949? ; 60= 1949 ; 116= 1950?? ; 18= 1950? ; 64= 1950 ; 34= 1951?? ; 16= 1951? ; 31= 1951 ; 29= 1952?? ; 6= 1952? ; 7= 1952 ; 3= 1953?? ; 1= 1953? ; 8= 1953 ; 6= 1954?? ; 1= 1954? ; 12= 1954 ; 8= 1955?? ; 3= 1955? ; 11= 1955 ; 3= 1956? ; 1= 1957? ; 3= 1957 ; 2= 1959 ; 1= 1965?? ; 2= 1965 ; 1= 9999

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 3105

Variants

6SK7*DDR Glas

= 6SK7_DDR (Glaskolben auf Bakelitsockel "WF" (DDR))

23.May.2008 Sigurd Hauschild

6SK7*Porcelain base

As oscillator of the signal generators made by Measurements Corporation, we find this special order 6SK7 with extremely low losses porcelain base. Tubes were supplied to Measurements by RCA. The service manuals gave instructions of how to move the porcelain base to a new commercial replacement tube, when the original replacement was not readily available.

04.Feb.2011 Emilio Ciardiello

Emilio Ciardiello

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]