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2.5Watt_Ideezet

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ID = 52286
       
Country:
Netherlands
Brand: Ideezet tubes (made by Philips); the Hague.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum 
  <1925 very rare. ***
Identical to 2.5Watt_Ideezet = F_Philips
Predecessor Tubes 2Watt_Ideezet  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 4 Volts / If 1.4 Ampere / Direct / Battery =
Information source - - -   Idzerda cat. 1921
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Just Qvigstad
prijsblad1921.png
2.5Watt_Ideezet: own collection
Peter den Boer

 

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