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Bi/904

Information - Help 
ID = 64606
       
Country:
Germany
Brand: Siemens; D (S.& Halske / S. Electrogeräte)
Tube type:  Triode, vacuum   Universal 
Identical to Bi/904
Similar Tubes
Other class quality (otherwise equal):
  REN904
Other base:
  Bi

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Description

Probably a long-live-high reliable replacement of the standard REN904

 
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Tube prices 1 Tube prices (visible for members only)
 
siemens_bi_904_jpg.1.jpg
Bi/904: own colection
Perica Adnadevic

 
ren904~~2.png
Bi/904: JK Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 

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