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VT-171A

Information - Help 
ID = 8726
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  HEPTODE   Controlling (mu) 
Identical to VT-171A
Similar Tubes
Other base:
  1R5
Successor Tubes 1LC6  

Base Loctal-8, B8G (Sylvania, 1938) (Codex=Loktal)
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Description According to Sibley, this was a loktal rebased 1R5, apparently abandoned. Probably renamed as 1LC6. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 

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