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EF174

Information - Help 
ID = 2495
       
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 EF174
Similar Tubes
Heater different:
  UF174
Other base:
  EF14
First Source (s)
Jan.1951 : Funkschau # 1
Predecessor Tubes EF14  

Base GNOM 11-pin (DDR)
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect / Specified voltage AC/DC
Description 8-pol. Sockel nur als Prototyp 
Tube prices 1 Tube prices (visible for members only)
Information source
 
roehre_ef174_bild_1.jpg
EF174: Eigenes Bild
Anonymous 971 Collector

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uf_ef172_175rm.png
EF174: Datenblatt Funkwerk Erfurt
Wolfgang Eckardt

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ef174.png
EF174: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector

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from Just Qvigstad

Usage in Models 1= 1951 ; 1= 1952

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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