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Dn3004

Information - Help 
ID = 10020
       
Country:
Netherlands
Brand: Radio-Record - Röhrenmarke; Holland
Developer: Radio-Record - Röhrenmarke; Holland 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to Dn3004
Similar Tubes
Normally replaceable-slightly different:
  E452T

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact screw type.
Filament Vf 4 Volts / If 1 Ampere / Indirect
Description Also with B4 base + side-terminal. 
Information source - - Manufacturers Literature   
 
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Dn3004: Telefunken Werkstattbuch
Wolfgang Bauer

 
dn3004data.png
Dn3004: own collection
Peter den Boer


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