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248A

Information - Help 
ID = 35254
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 248A
Similar Tubes
Other characteristic (electr. data):
  211D
Predecessor Tubes D-86737  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.2 Ampere / Direct
Description

Convection cooled 100 Watt max anode dissipation; thoriated-tungsten filament. Similar to 211D with closer grid spacing for higher gm.

 
Information source Tube Lore (I)   

vt4c_7.png 248A: Manufacturer's Literature
Emilio Ciardiello


Just Qvigstad

Collection of

 
screenshot_20221123_194132_gallery.jpg

248A
 

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