radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

EF172_8p

Information - Help 
ID = 69536
       
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 
  Late but very rare. ***
Identical to EF172_8p
Similar Tubes
Other base:
  EF12 ; EF172
First Source (s)
Jan.1951 : Funkschau # 1
Successor Tubes EF172  
Base GNOM 8 pin (DDR)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.32 Ampere / Indirect / Specified voltage AC/DC
Description

8-pol. Sockel nur als Prototyp

 
Information source
sockel_ef175_2~~1.png EF172_8p: Röhrencodex 1951
Helmut Weigl
More ...
Just Qvigstad 		ef172_daten.png
EF172_8p: RFT Datenbuch 1952
Helmut Weigl

Collection of

Stefan Müller (D)
Helmut Weigl (D)
Collection of a member from D
Wolfgang Eckardt (D)
Karl-Heinz Entrich † 7.21 (D)
 
ef172_8_pol.jpg

More ...
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
Data Compliance More Information