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242A

Information - Help 
ID = 15333
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 242A = 542A
Similar Tubes
Normally replaceable-slightly different:
  3B/850A ; 4242A ; ES85 ; M-4242A
Different maximum ratings:
  242B ; 242C
Predecessor Tubes 211A   211E  
Base Jumbo 4-pin bayonet (1918) (Codex=Byy)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.2 Ampere / Direct / Specified voltage AC/DC
Description

Bayonet base W.E.211A. Max.power 85 Watts, 6MHz; thoriated tungsten filament.
Manufactured by Amperex, GE, STC, WE. Also listed in Tube Lore II, p. 236

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip		 x 210 x 64 mm / x 8.27 x 2.52 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   W.E.Greybar catalog 1933
- - Manufacturers Literature   
Tube Lore (I)
Babani, International Radio Tube Encyclopaedia
242a_sockel.png 242A: nach Western Electric 1933
Robert Schmalstieg
More ...
Just Qvigstad 		242ad.png
242A: KoBi
Konrad Birkner † 12.08.2014
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Collection of

Valery Gromov (RUS)
Robert Gillespie (USA)
 
usa_westernelectric_242a.jpg

242A
 
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