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Dn9014

Information - Help 
ID = 10021
       
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 Dn9014
Similar Tubes
Normally replaceable-slightly different:
  AS4120 ; E462 ; RENS1264

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact screw type
Filament Vf 4 Volts / If 1.2 Ampere / Indirect
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
dn9014.jpg
Dn9014: John Koster
John Koster

 
9_15~~3.png
Dn9014: Telefunken Werkstattbuch
Wolfgang Bauer

 
dn9014data.png
Dn9014: own collection
Peter den Boer


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