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RRR245

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ID = 8211
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to RRR245
Similar Tubes
Normally replaceable-slightly different:
  R0437
First year 1927 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Mar.1929 : Funk Bastler 1929, Heft 9

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Em)
Filament Vf 4 Volts / If 2 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
  rrr245schematic.png
  RRR245
Peter den Boer
 
radiorecord_rrr245bild1.jpg
RRR245
Rudolf Osterkamp

 
rrr245_sock.png
RRR245: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
rrr245data.png
RRR245: own collection
Peter den Boer



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