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AD4

Information - Help 
ID = 13744
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum   Detector 
Identical to AD4

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Description

Tube used as a detector and for high frequencies.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1931 tube data booklet
 
ad4_triotron.jpg
AD4: g.h.
Gerhard Heigl

 
sockel_4stift_triode_1.png
AD4: g.h.
Gerhard Heigl

 
daten_ad4_triotron.png
AD4: g.h.
Gerhard Heigl


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