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6R7 Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  Double Diode-Triode   Audio Frequency 
Tube ID = 2984
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Identical to 6R7 = VT-88
Similar Tubes 6R7G (other shape (e.g. bulb, size))   6R7GT (other shape (e.g. bulb, size))   6SR7 (different connections)   6BF6 (other base)   7E6 (other base)  
First Source (s) 21.Jan.1936 : Electron Tube Registration List
Predecessor Tubes 85  
Successor Tubes 6SR7  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=S)
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.3 Ampere / Vf 6.3 Volts /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  6r7.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
6r7_r.jpg
collection JR
Jacob Roschy

 
337_3.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
6r7_rca_data_01.png
Original data sheet
Otto Galli

Usage in Models   6= 1935? ; 10= 1936?? ; 19= 1936 ; 3= 1937?? ; 1= 1937? ; 23= 1937 ; 11= 1938?? ; 1= 1938? ; 25= 1938 ; 8= 1939?? ; 8= 1939 ; 1= 1940?? ; 3= 1940 ; 7= 1941 ; 5= 1942 ; 1= 1946?? ; 2= 1946 ; 1= 1947? ; 1= 1947 ; 1= 1948 ; 11= 1950?? ; 1= 1950? ; 3= 1950 ; 4= 1952?? ;
Number of Models with this tube   156
No further Information for

6R7    

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