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6SR7

Information - Help 
ID = 2720
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 6SR7 = 6Г1 = VT-233 = CV867
Similar Tubes
Other shape (e.g. bulb type):
  6SR7GT
Heater different:
  12SR7 ; 6ST7
Different connections:
  6R7 ; 6R7G ; 6R7GT
Other base:
  6BF6
First Source (s)
01.Apr.1940 : Electron Tube Registration List
Predecessor Tubes 6R7   6R7G  
Successor Tubes 6BF6  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Tube prices 3 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  6sr7.png
  6SR7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
sam_2180.jpg
6SR7: Sammlung: oskarelm
Oskar Elm

 
334_1.png
6SR7: Telefunken Werkstattbuch
Wolfgang Bauer

 
6sr7_techdat01.png
6SR7: SEL Handbuch 1964
Peter Hoddow


Usage in Models 13= 1940 ; 6= 1941? ; 4= 1941 ; 2= 1942? ; 2= 1942 ; 1= 1943 ; 1= 1944 ; 2= 1946 ; 1= 1947?? ; 2= 1947? ; 3= 1947 ; 2= 1948? ; 15= 1948 ; 3= 1949?? ; 3= 1949? ; 4= 1949 ; 7= 1950?? ; 5= 1950? ; 5= 1950 ; 5= 1951 ; 5= 1952?? ; 1= 1952 ; 3= 1953? ; 1= 1953 ; 3= 1954?? ; 1= 1955?? ; 1= 1959?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):101


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