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5-446

Information - Help 
ID = 9435
       
Country:
Netherlands
Brand: Thermion; Netherlands
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to 5-446 = E446
Similar Tubes
Other shape (e.g. bulb type):
  T5-446
Production stop Feb.1938

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco)
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1933
 
nl_thermion_5446_bild1.jpg
5-446: Meine Sammlung
Rudolf Osterkamp

 
5446_so.png
5-446: rtt
Michael Schlör

 
5446data1.png
5-446: own collection
Peter den Boer


from Just Qvigstad


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