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W4100

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ID = 15058
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Triode, vacuum   Audio Frequency 
Identical to W4100 = E438 = REN1004
Similar Tubes
Normally replaceable-slightly different:
  W415N
First year 1928 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
w4100_valvo.jpg
W4100
Anonymous 557 Collector

 
w4100.png
W4100: Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe

 
w4100_spec.png
W4100: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


from Just Qvigstad


Collection of a member from D

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