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BW5

Information - Help 
ID = 35036
       
Country:
France
Brand: Métal; France (tubes)
Tube type:  Dual-Grid Tetrode   Frequency converter 
  Ca. 1925 up to 1945 rare.
Identical to BW5

Base SPECIAL TUBEBASE in general
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Parallel, (AC/DC)
Description This tube can have different bases and electrode assemblies. see datasheet 
Literature - - Manufacturers Literature   Datasheet Mars 1929
 
p1010262.jpg
BW5: Horst Schneider
Horst Schneider

 
bw5_7_broches_vb.gif
BW5: W.H.
Wolfgang Holtmann

 
bw51.png
BW5: own collection
Peter den Boer



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