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E4D

Information - Help 
ID = 7757
       
Country:
Denmark
Brand: M.P. Denmark
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to E4D
Similar Tubes
Normally replaceable-slightly different:
  506 ; PV495 ; RGN1054

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 1 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
e4d_mp.jpg
E4D: Sammlung
Anonymous 557 Collector

 
2_b4~~2.png
E4D: own collection
Peter den Boer

 
rectifiers.png
E4D: own collection
Peter den Boer


from Just Qvigstad

Collection of a member from D

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