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ND4_Orion

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ID = 14542
       
Country:
Hungary
Brand: Sator (brand of Tungsram for tubes)
Tube type:  Triode, vacuum   Universal 
Identical to ND4_Orion = REN904
Similar Tubes
Normally replaceable-slightly different:
  E424 ; WG42

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   p.459
Saga of the Vacuum Tube, Tyne   

7_27.png ND4_Orion: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
nd4_spec.png
ND4_Orion: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

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Usage in Models 2= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
orion_nd4_2.jpg

ND4_Orion
 

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