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Q_Western

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ID = 28716
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   Power/Output 
Identical to Q_Western = 104C

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Radio/TV-reception etc.
Filament Vf 5.5 Volts / If 1.3 Ampere / Direct
Description

Project coding for 104C.

This tube is a variant of the 104A, with half of the filament in parallel, for lower voltage use in the (Western Electric) 4A Recorded in Tube Lore II as "Little other use".

 
Information source Saga of the Vacuum Tube, Tyne   page 280
Tube Lore (II)   p. 233


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