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R2018d

Information - Help 
ID = 14658
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to R2018d
Similar Tubes
Normally replaceable-slightly different:
  B2038 ; NW180 ; REN1821

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Series, DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
b5~~33.png
R2018d: Fin Stewart
Fin Stewart

 

from Just Qvigstad

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