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ENDROHR/4

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ID = 84406
       
Country:
Germany
Brand: Amateur-Röhre (tube brand)
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to ENDROHR/4
First year Feb.1928 Bastelbriefe der Drahtlosen Heft 2 vom Februar (Werbung).

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.15 Ampere / Direct / Battery =
Description

Ein Inserat von GRI-VERTRIEB, Berlin SO 33. Köpenickerstrasse 163 bietet die Röhre in den "Bastelbriefe der Drahtlosen" im Februar 1928 an.

 
Information source Bastelbriefe der Drahtlosen   1928 Heft 2 (Werbung)


Just Qvigstad
 
amateurroehre_endrohr_4.jpg

 

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