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C150

Information - Help 
ID = 12590
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to C150
Similar Tubes
Normally replaceable-slightly different:
  A442 ; DZ2 ; PM13X ; RES094 ; S406 ; S410

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact screw type.
Filament Vf 4 Volts / If 0.12 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   2-9-1933
 
c150~~2.jpg
C150: GRAMMONT-RADIOPHOTOS
Patrice Follet

 
c150small.png
C150: own collection
Peter den Boer

 
miniwattsmall2_12.png
C150: own collection
Peter den Boer


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