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4211D

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ID = 15461
       
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   Power/Output 
Identical to 4211D
Similar Tubes
Normally replaceable-slightly different:
  211D ; 211E ; 4211E
Successor Tubes 4211E   4242A  

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
x 184 x 51 mm / x 7.24 x 2.01 inch
Weight 180 g / 6.35 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   not dated

jumbo_4_pin~~18.png 4211D: Fin Stewart
Fin Stewart


Just Qvigstad
4211d1.png
4211D: own collection
Peter den Boer

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Usage in Models 1= 1928??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
e_stc_4211d.jpg

 

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