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EF173

Information - Help 
ID = 19282
       
Country:
Germany
Brand: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH
Developer: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF173
Similar Tubes
Heater different:
  UF173
First Source (s)
Jan.1951 : Funkschau # 1
Predecessor Tubes EF13  

Base GNOM 11-pin (DDR)
Filament Vf 6.3 Volts / Indirect
Description 8-pol. Sockel nur als Prototyp, nicht in Serie gegangen 
 
ef173_rr.jpg
EF173: RR
Reinhard Riek

 
uf_ef172_175rm_2.png
EF173: Datenblatt Funkwerk Erfurt
Wolfgang Eckardt

 

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