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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

Base 6-Pin-Base U6A, old, USA
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  valvula1b5.png
  1B5: Internet
Miguel Angel Trujillo-Rodriguez
 
1b5_rca_rmf.jpg
1B5: My Collection
Bruce Morgenstern

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

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


Usage in Models 1= 1933?? ; 6= 1935?? ; 18= 1935? ; 35= 1935 ; 8= 1936?? ; 7= 1936? ; 171= 1936 ; 13= 1937?? ; 12= 1937? ; 107= 1937 ; 1= 1938?? ; 2= 1938? ; 74= 1938 ; 6= 1939?? ; 3= 1939 ; 2= 1940?? ; 5= 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):479


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