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T4500

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ID = 13073
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Screen-grid Tetrode 
Identical to T4500
Similar Tubes
Normally replaceable-slightly different:
  AS495 ; E462 ; MS4B ; RENS1264 ; TE52

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 Babani, International Radio Tube Encyclopaedia   p. 144 & 145
- - Manufacturers Literature   2-9-1933
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

s4150small_1.png T4500: own collection
Peter den Boer


Just Qvigstad
actubessmall_5.png
T4500: own collection
Peter den Boer

Collection of

 
t4500_a.jpg

 

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