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400B_WE

Information - Help 
ID = 35420
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Pentagrid-Converter (Heptode) 
Identical to 400B_WE
Similar Tubes
Heater different:
  1R5 ; 400A_WE

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 1.15 Volts / If 0.65 Ampere / Indirect
Description Miniature pentagrid converter for telephone repeaters. Indirect heating version of 400A WE. Same as 1R5 but for filament voltage. 
Dimensions (WHD)
incl. pins / tip
41 x 130 x mm / 1.61 x 5.12 x inch
Literature Tube Lore   
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7wb_3.png
400B_WE
Emilio Ciardiello

 

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