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4212D

Information - Help 
ID = 17063
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Triode, air cooled   Universal 
Identical to 4212D
Similar Tubes
Normally replaceable-slightly different:
  212D ; 4212E ; CV200 ; MZ2-200
Successor Tubes 4212E  

Base Large 4 pin Bayonet
Was used by Transmittertube (Radio)
Filament Vf 14 Volts / If 6 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 345 x 92 mm / x 13.58 x 3.62 inch
Weight 744 g / 26.24 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   Data sheet Nov. 1937
 
stc_4212d_tube_fs.jpg
4212D: Fin Stewart collection
Fin Stewart

 
212_9.png
4212D
Emilio Ciardiello

 
4212d1.png
4212D: own collection
Peter den Boer



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