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25B6G

Information - Help 
ID = 3701
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Vacuum Pentode   Power/Output 
Identical to 25B6G = CV939
Similar Tubes
Normally replaceable-slightly different:
  25B6EG ; 5824
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Udo)
Filament Vf 25 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
6f6g_so~~1.png 25B6G: ARRL Handbook 1972
Anonymous 10 Collector

Just Qvigstad 		25b6g_techdat01.png
25B6G: Sylvania Technical Manual
Peter Hoddow
More ...
Usage in Models 1= 1936?? ; 3= 1936 ; 6= 1937?? ; 4= 1937? ; 7= 1937 ; 3= 1938?? ; 4= 1938 ; 2= 1939? ; 18= 1939 ; 1= 1940? ; 1= 1942?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):50

Collection of

Collection of a member from CH
Klaus Rüdiger (D)
 
usa_25b6g_tungsol_eb.jpg

25B6G
 
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