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ID = 2489
Brand: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH
Developer: Funkwerk Erfurt, VEB, RFT (Ostd.) - vorm. Telefunken GmbH 
Tube type:  Triode-Hexode   Frequency converter 
Identical to ECH171
Similar Tubes
Heater different:
Other base and other heater:
First Source (s)
Apr.1951 : Funk-Technik (FT) # 7
Jan.1951 : Funkschau # 1
Predecessor Tubes ECH11  
Successor Tubes 1952   ECH81  

Base GNOM 11-pin (DDR)
Filament Vf 6.3 Volts / If 0.32 Ampere / Indirect / Specified voltage AC/DC
Description 8-poliger Sockel nur als Prototyp 
Information source

uch_ech171rm.png ECH171: Funke, W18 Karte
Wolfgang Eckardt

Just Qvigstad
ECH171: RFT Elektronenröhren technische daten 1952
Just Qvigstad

Usage in Models 3= 1951

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of



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