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XD4

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ID = 16616
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum   Power/Output 
Identical to XD4

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Specified voltage AC/DC
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1931 tube data booklet

sockel_4stift_triode_7.png XD4: g.h.
Gerhard Heigl

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Just Qvigstad
daten_xd4_triotron.png
XD4: g.h.
Gerhard Heigl

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Usage in Models 1= 1928

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
xd4.jpg

XD4
 

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