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S217

Information - Help 
ID = 10232
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Vacuum Pentode   Controlling (mu) 
Identical to S217

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=Lr)
Filament Vf 2 Volts / If 0.2 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
s217_01_1.jpg
S217: Collection TL
Thomas Lebeth

 
45.png
S217: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad


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