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U171

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ID = 85039
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to U171
Similar Tubes
Normally replaceable-slightly different:
  171A ; 71A ; UX171A

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =

u171_connections.png U171: My book.
Pier Antonio Aluffi

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Just Qvigstad
u171_diagram.png
U171: My book
Pier Antonio Aluffi

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