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E251

Information - Help 
ID = 48926
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  Transmitting Triode, air cooled 
  <1925 rare.
Identical to E251

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 5.6 Volts / If 2.3 Ampere / Direct / Battery =
Description

The brand is Radiotechnique. The name of the tube is Radio-Major E251. Output 25-30 Watt.

 
Dimensions (WHD)
incl. pins / tip
50 x 200 x mm / 1.97 x 7.87 x inch
Information source - - Manufacturers Literature   1924
 
e251tubesmall.jpg
E251: own collection
Peter den Boer

 
e251data2small.png
E251: own collection
Peter den Boer

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