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1B5

Information - Help 
ID = 20212
       
Country:
United States of America (USA)
Brand:
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to 1B5 = 25S
Similar Tubes
Normally replaceable-slightly different:
  G-25-S ; NU-25

Base 6-Pin-Base U6A, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 116 x 38 mm / x 4.57 x 1.50 inch
Weight 34 g / 1.20 oz
Tube prices 1 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 39
Taschenbuch zum Röhren-Codex 1948/49   

valvula1b5.png
1B5: Internet
Miguel Angel Trujillo-Rodriguez

1b5_sock.png 1B5: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
1b5_data.png
1B5: Diefenbach-Handbuch der Rundf.-Rep.1947
Hilmer Grunert

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Usage in Models 1= 1933?? ; 6= 1935?? ; 18= 1935? ; 35= 1935 ; 8= 1936?? ; 7= 1936? ; 173= 1936 ; 13= 1937?? ; 12= 1937? ; 110= 1937 ; 1= 1938?? ; 2= 1938? ; 74= 1938 ; 6= 1939?? ; 1= 1939? ; 4= 1939 ; 2= 1940?? ; 6= 1940 ; 1= 1941?? ; 2= 1941? ; 1= 1942?? ; 3= 1942? ; 1= 9999?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):487

Collection of

 
1b5_rca_rmf.jpg

1B5
 

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