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6R7

Information - Help 
ID = 2984
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 6R7 = VT-88 = CV1963 = 6R7M = 6Р7 = 38567R
Similar Tubes
Other shape (e.g. bulb type):
  6R7G ; 6R7GT ; 6R7MG
Different connections:
  6SR7
Other base:
  6BF6
First year 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 Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Tube prices 2 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  6r7.png
  6R7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
6r7_904_rm.jpg
6R7: Collection JR
Jacob Roschy

 
337_3.png
6R7: Telefunken Werkstattbuch
Wolfgang Bauer

 
6r7_rca_data_01.png
6R7: Original data sheet
Otto Galli


Usage in Models 7= 1936?? ; 7= 1936? ; 42= 1936 ; 2= 1937?? ; 2= 1937? ; 40= 1937 ; 10= 1938?? ; 1= 1938? ; 32= 1938 ; 11= 1939?? ; 6= 1939? ; 17= 1939 ; 8= 1940? ; 9= 1940 ; 1= 1941?? ; 24= 1941 ; 6= 1942 ; 2= 1945 ; 1= 1946?? ; 2= 1946 ; 1= 1947?? ; 1= 1947? ; 2= 1947 ; 2= 1948 ; 1= 1949?? ; 10= 1950?? ; 1= 1950? ; 3= 1950 ; 1= 1959?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):252


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