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EF172

Information - Help 
ID = 2759
       
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 
Identical to EF172
Similar Tubes
Heater different:
  UF172
Other base:
  EF12 ; EF172_8p
First Source (s)
Jan.1951 : Funkschau # 1
Predecessor Tubes EF12   EF172_8p  

Base GNOM 11-pin (DDR)
Filament Vf 6.3 Volts / If 0.32 Ampere / Indirect / Specified voltage AC/DC
Description 8-pol. Sockel nur als Prototyp 
Tube prices 2 Tube prices (visible for members only)
Information source

uf_ef172_175rm_3.png EF172: Datenblatt Funkwerk Erfurt
Wolfgang Eckardt

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Just Qvigstad
ef172.png
EF172: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

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Collection of

Collection of a member from D
 
roehre_ef172_bild_2.jpg

EF172
 

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