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Orchestron4

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ID = 52647
       
Country:
Germany
Brand: Radioröhren-Laboratorium-GmbH, Gerd Nickel, (Ultra); Berlin
Developer: Radioröhren-Laboratorium-GmbH, Gerd Nickel, (Ultra); Berlin 
Tube type:  Gas Triode 
  Ca. 1925 up to 1945 rare.
Identical to Orchestron4

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament Vf 3.5 Volts / If 0.14 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   
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b4direct_22.png Orchestron4
Peter den Boer


Just Qvigstad
orchestron24data_1.png
Orchestron4: own collection
Peter den Boer

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