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X-171A

Information - Help 
ID = 31106
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum 
Identical to X-171A = UX171A = 71A = CX371A = CX71A = 471A = T171A = C603_UX
Similar Tubes
Heater different:
  UX171

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Filament Direct
 
emp_x171a_11.jpg
X-171A: aus ebay, Verkäufer uncle-papa
Gottfried Silberhorn

 
uxsockel_11~~47.png
X-171A: Fin Stewart
Fin Stewart

 

Usage in Models 1= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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