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UP4B

Information - Help 
ID = 11757
       
Country:
Denmark
Brand: M.P. Denmark
Tube type:  Vacuum Pentode   Power/Output 
Identical to UP4B
Similar Tubes
Normally replaceable-slightly different:
  B443 ; PP415

Base Europe 5-Pin (O5A, B5) (Codex=Foo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Parallel, (AC/DC) /
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
up4b_sock.png
UP4B: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
direct_heated~~5.png
UP4B: own collection
Peter den Boer


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