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171C

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ID = 86556
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Developer: Sylvania (Hygrade, GTE, Nilco); Emporium (PA) 
Tube type:  Triode, vacuum   Power/Output 
Identical to 171C
First Source (s)
Feb.1931 : Electronics p. 34 & 35

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 6.5 Volts / If 0.25 Ampere / Indirect
Description

This tube was designed for use in car radios late in 1930.

 
Information source Tube Lore (II)   p. 28
Electronics   February 1931 issue p. 516 & 517


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