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471A

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ID = 15386
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 471A = 171A = UX171A = 71A = J71A = ER71A = ER171A = AC4 = X-171A = MX171A

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
45 x 108 x mm / 1.77 x 4.25 x inch
Weight 49 g / 1.73 oz
Tube prices 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
70 Years of Radiotubes and V.   Page 166
 
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471A: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
471a.png
471A: own collection
Peter den Boer


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