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W443H

Information - Help 
ID = 11830
       
Country:
Netherlands
Brand: Longlife, the Hague
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to W443H = E443H
Production stop Feb.1938

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Filament Vf 4 Volts / If 1.1 Ampere / Direct / Parallel, (AC/DC)
Description "Longlife" 
Text in other languages (may differ)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Sept. 1935
 
longlife_w443h_bild1.jpg
W443H: R.Osterkamp
Rudolf Osterkamp

 
w443h_so.png
W443H: rtt
Michael Schlör

 

from Just Qvigstad


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