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6AC7

Country:  United States of America (USA)      Brand:  Common type USA tube 
  Tube type:  Vacuum Pentode   RF/IF-Stage 
Tube ID = 2684
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Identical to 6AC7 = OSW2190 = 6j4 = VT-112 = 1852 = CV849
Similar Tubes Other shape (e.g. bulb type):
 6J4P
Normally replaceable-slightly different:
 6134; 6AJ7; CV747; CV846
Other class quality (otherwise equal):
 2600_OSW; 6AC7W; 6AC7k; OSW2600
Different connections:
 R219
Other base and data slightly different:
 6485
First year   1939 -- Collector info (Sammler)
First Source (s) 18.Mar.1939 : Electron Tube Registration List

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uka)
Filament Vf 6.3 Volts / If: 0.45 Ampere / -: Parallel, (AC/DC) /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  6ac7.gif
  6AC7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
6ac7_r.jpg
6AC7: collection JR
Jacob Roschy

 
368_1.png
6AC7: Telefunken Werkstattbuch
Wolfgang Bauer

 
6ac7_techdat01.png
6AC7: Sylvania Technical Manual
Peter Hoddow

Usage in Models   5= 1939 ; 2= 1940?? ; 1= 1940? ; 26= 1940 ; 14= 1941? ; 22= 1941 ; 1= 1942?? ; 4= 1942? ; 8= 1942 ; 1= 1943? ; 2= 1944 ; 5= 1945 ; 1= 1946? ; 19= 1946 ; 1= 1947?? ; 5= 1947? ; 29= 1947 ; 4= 1948?? ; 4= 1948? ; 32= 1948 ; 1= 1949? ; 42= 1949 ; 4= 1950?? ; 1= 1950? ; 8= 1950 ; 1= 1951? ; 4= 1951 ; 7= 1952?? ; 2= 1952? ; 22= 1952 ; 1= 1953? ; 2= 1953 ; 2= 1954? ; 4= 1954 ; 6= 1955?? ; 1= 1955 ; 3= 1956?? ; 2= 1956? ; 1= 1957?? ; 1= 1957? ; 1= 1958? ; 1= 1958 ; 4= 1960?? ; 1= 1961 ; 5= 1962?? ; 1= 1962? ; 1= 1964?? ; 2= 1970?? ; 1= 1971
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   318

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