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E4F

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ID = 7759
       
Country:
Denmark
Brand: M.P. Denmark
Tube type:  Full-Wave Vacuum Rectifier 
Identical to E4F
Similar Tubes
Normally replaceable-slightly different:
  1815 ; PV4201 ; RGN2504

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

e4f_sock.png E4F: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
rectifiers~~6.png
E4F: own collection
Peter den Boer

Collection of

 
e4f.jpg

 

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