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ID = 7717
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to DE2/200
Similar Tubes
Normally replaceable-slightly different:
  4648 ; 4648-01 ; DE2/200-01 ; G4648

Base SPECIAL TUBEBASE in general (Codex=Sp 23) 2 Top contacts.
Filament Vf 4 Volts / If 4 Ampere / Half indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
DE2/200: © Museum der Experimentalphysik, Innsbruck
Heribert Jung

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DE2/200: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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DE2/200: own collection
Peter den Boer

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