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P440N_B5+1

Information - Help 
ID = 39997
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Vacuum Pentode   Power/Output 
Identical to P440N_B5+1 = E453_B5+1
Similar Tubes
Other base:
  P440N

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Sidecontact.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
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P440N_B5+1: Telefunken Werkstattbuch
Wolfgang Bauer

 

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