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T4500C

Information - Help 
ID = 13074
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Screen-grid Tetrode   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to T4500C
Similar Tubes
Normally replaceable-slightly different:
  E455 ; RENS1274

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Filament Vf 4 Volts / If 1.2 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   2-9-1933

s4150small_2.png T4500C: own collection
Peter den Boer


Just Qvigstad
actubessmall_6.png
T4500C: own collection
Peter den Boer

 

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