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271A

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ID = 15339
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Triode, vacuum   Universal 
Identical to 271A

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Bo)
Filament Vf 5 Volts / If 2 Ampere
Description 27W anode dissipation.
Sibley also gives a production from NEC. 
Information source Taschenbuch zum Röhren-Codex 1948/49   W.E.Greybar catalog 1933
 
271ab.gif
271A: KoBi
Konrad Birkner † 12.08.2014

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271as.gif
271A: KoBi
Konrad Birkner † 12.08.2014

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271ad.png
271A: KoBi
Konrad Birkner † 12.08.2014

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from Just Qvigstad

Usage in Models 3= 1925 ; 2= 1926

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5


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