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281A

Information - Help 
ID = 35389
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Double Grid Power Amplifier   Power/Output 
Identical to 281A

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 1.6 Ampere / Direct / Specified voltage AC/DC
Description

Aligned grid type power audio tetrode. Gm 1.5mS; 11W plate dissipation.

 
Information source Tube Lore (I)   


Just Qvigstad
 
20200326_182944.jpg

 

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