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V12

Information - Help 
ID = 17846
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to V12

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 5 Volts / If 2 Ampere / Direct / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
x 60 x 100 mm / x 2.36 x 3.94 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   2-9-1933
  v_12.png
  V12: Funk-Technik 15/56 S.454
Egon Strampe
 
v12.jpg
V12: Sammlung GJ
Anonymous 544 Collector

 
plaatspanninggelijkrsmall_7.png
V12: own collection
Peter den Boer



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