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X2818

Information - Help 
ID = 8905
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  HEXODE   Frequency converter 
Identical to X2818 = B2048 = RENS1824
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, C, 1933) (Codex=Lf)
Filament Vf 20 Volts / If 0.18 Ampere / Indirect / Series, DC
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
x2818_valvo.jpg
X2818: Sammlung
Anonymous 557 Collector

 
10_17.png
X2818: Telefunken Werkstattbuch
Wolfgang Bauer

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


Collection of a member from D

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