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1A

Information - Help 
ID = 35719
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum 
Identical to 1A = UV201A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filament Vf 5 Volts / If 0.25 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
45 x 105 x mm / 1.77 x 4.13 x inch
Weight 48 g / 1.69 oz
 
usa_alltron_1a.jpg
1A: O.F.
Otto Frosinn

 
uv_triode_tube~~11.png
1A: Fin Stewart
Fin Stewart

 
tubedata1923~~15.png
1A: KoBi
Konrad Birkner † 12.08.2014


Usage in Models 3= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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