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49

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ID = 3580
       
Country:  United States of America (USA)      Brand: Common type USA tube/semicond.
  Tube type:  Double Grid Power Amplifier   Power/Output 
Identical to 49 = ER49 = CV2532
First year   1932 Radios von gestern, 2. Auflage
First Source (s) Sep.1932 : 70 Years of Radiotubes and V.

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ho)
Filament Vf 2 Volts / If 0.12 Ampere / Direct / Battery = /
Description Siehe auch: Zero-Bias- und Triple-Twin- Röhren 
Text in other languages (may differ)
Tube prices 1 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

49.jpg
49: K.H.Fischer
Karlheinz Fischer

 
a246_so~~3.png
49: ARRL Handbook 1972
Michael Schlör

 
49_techdat01.png
49: Cunningham Radiotron Manual
Peter Hoddow


Usage in Models 1= 1932?? ; 3= 1932 ; 3= 1933?? ; 4= 1933 ; 1= 1934 ; 6= 1935 ; 1= 1936?? ; 11= 1936 ; 19= 1937 ; 2= 1938?? ; 8= 1938 ; 2= 1939 ; 1= 1940 ; 1= 1941
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):63

49*Box
   

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