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AB4

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ID = 12508
       
Country:
Belgium
Brand: Adzam (tubes made by MBLE, Belgium)
Tube type:  Space Charge Tetrode 
Identical to AB4 = A441N

Base Europe 4-Pin B4 + side contact (Codex=Eu) Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Description

Das ist keine Röhre der "Gemeinschaftsbezeichnung", also nicht verwandt mit AB1 oder AB2.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   

ab4_so.png AB4: rtt
Anonymous 10 Collector


Just Qvigstad
 

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