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6S7

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ID = 3940
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 6S7
Similar Tubes
Other shape (e.g. bulb type):
  6S7EG ; 6S7G
First year 1937 -- Collector info (Sammler) >15 models, some with dated ads.
First Source (s)
23.Feb.1938 : Electron Tube Registration List
Predecessor Tubes 6K7  
Successor Tubes 6SS7  
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf) Top contact with a cap.
Filament Vf 6.3 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
6s7.png
6S7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
374_1.png 6S7: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		6s7_techdat01.png
6S7: Sylvania Technical Manual
Peter Hoddow
More ...
Usage in Models 6= 1937? ; 17= 1937 ; 2= 1938?? ; 2= 1938? ; 18= 1938 ; 35= 1939?? ; 4= 1939? ; 7= 1939 ; 5= 1940?? ; 2= 1940 ; 7= 1941?? ; 1= 1941? ; 4= 1941 ; 3= 1942?? ; 1= 1942? ; 2= 1942 ; 2= 1945?? ; 1= 1946?? ; 1= 1946? ; 1= 1947?? ; 1= 1947 ; 2= 1948?? ; 5= 1949 ; 2= 1950?? ; 1= 1951
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):132

Collection of

Aldo Patriarca (CH)
Christian Schaufelberger (CH)
Oskar Elm (D)
Reinhard Riek (D)
Jacob Roschy (D)
 
6s7_912_rm500s.jpg

6S7
 
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