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5-444S

Information - Help 
ID = 13281
       
Country:
Netherlands
Brand: Thermion; Netherlands
Tube type:  Diode-Triode   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to 5-444S = E444S
Similar Tubes
Other shape (e.g. bulb type):
  T5-444S
Production stop Feb.1938

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1933
 
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5-444S
Peter den Boer

 
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5-444S: own collection
Peter den Boer

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