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X2818

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ID = 8905
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  HEXODE   Frequency converter 
Identical to X2818 = RENS1824 = B2048
Similar Tubes
Normally replaceable-slightly different:
  H2025H
Heater different:
  X4122
First year 1933 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lf)
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Specified current DC = (Series working)
Information source Taschenbuch zum Röhren-Codex 1948/49   

10_17.png X2818: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
vv34_46.png
X2818: Valvo-Röhren-Daten 1934
Jacob Roschy

Collection of

Collection of a member from D
 
x2818_valvo.jpg

 

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