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44 Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  PENTODE   RF/IF-Stage   Controlling (mu) 
Tube ID = 2675
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Identical to 44
Similar Tubes 39/44 (can normally be replaced - small diff'ce)   39 (can normally be replaced - small diff'ce)  
First Source (s) Apr.1932 : 70 Years of Radiotubes and V.
Successor Tubes 39/44  

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Hfo)
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 Taschenbuch zum Röhren-Codex 1948/49   

44_philco.jpg
My personal collection
Robert Sarbell

 
44_sock.png
Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
Usage in Models   1= 1932?? ; 1= 1932? ; 59= 1932 ; 1= 1933?? ; 2= 1933? ; 30= 1933 ; 4= 1934?? ; 1= 1934? ; 9= 1934 ; 9= 1935?? ; 1= 1935? ; 6= 1935 ; 2= 1936?? ; 1= 1936 ; 5= 9999 ;
Number of Models with this tube   132
No further Information for

44    

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