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E4

Information - Help 
ID = 49150
       
Country:
France
Brand:
Tube type:  Transmitting Triode, air cooled 
  <1925 very rare. ***
Identical to E4
First Source (s)
1916 : Saga of the Vacuum Tube, Tyne p 196, 197 is for E4, not E4M.
Successor Tubes E4N   E4M  

Base 2 Top contacts.
Was used by Military and/or Government
Filament Vf 5.8 Volts / If 2.5 Ampere / Direct / Battery =
Description

Die Röhren E4 der verschiedenen Hersteller können leicht unterschiedliche Daten aufweisen.

Siehe auch diesen Forumbeitrag.

 
Information source - - Manufacturers Literature   
Saga of the Vacuum Tube, Tyne   p. 196, 197, is for E4, not E4M.

f_metal_lampes~~3.png
E4: Lampes TM, TMB, E4
Mark Hippenstiel

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E4
 

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