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12AT6 Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  Double Diode-Triode   Audio Frequency 
Tube ID = 2948
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Identical to 12AT6 = HBC90 = 12DT1
Similar Tubes 6AT6 (Heater different)   14AT6 (Multiple differences or of other kind)  
First Series   1946 -- Collector info (Sammler)
First Source (s) 25.Oct.1945 : Electron Tube Registration List
Predecessor Tubes 12SQ7   12SQ7GT   14B6   12Q7GT  
Successor Tubes 12AV6  

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zk)
Was used by Radio/TV-reception etc.
Filament Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Series, AC/DC /
Description = HBC90 
Text in other languages (may differ)
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

  12at6.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
12at6.jpg
Röhrensammlung
Wolfgang Bauer

 
221_1.png
Telefunken Werkstattbuch
Wolfgang Bauer

 
12at6_techdat01_1.png
RCA Tube Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)   1= 1932? ; 2= 1940?? ; 1= 1940 ; 1= 1946?? ; 5= 1946? ; 43= 1946 ; 16= 1947? ; 80= 1947 ; 12= 1948?? ; 7= 1948? ; 77= 1948 ; 18= 1949?? ; 18= 1949? ; 60= 1949 ; 41= 1950?? ; 27= 1950? ; 78= 1950 ; 25= 1951?? ; 27= 1951? ; 93= 1951 ; 27= 1952?? ; 60= 1952? ; 82= 1952 ; 19= 1953?? ; 32= 1953? ; 135= 1953 ; 21= 1954?? ; 80= 1954? ; 54= 1954 ; 25= 1955?? ; 47= 1955? ; 89= 1955 ; 4= 1956?? ; 54= 1956? ; 49= 1956 ; 5= 1957? ;
Number of Models with this tube   1540
No further Information for

12AT6    

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