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4242A

Information - Help 
ID = 15462
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 4242A
Similar Tubes
Normally replaceable-slightly different:
  211C ; 242C
Other class quality (otherwise equal):
  CV25
Predecessor Tubes 4211E   4211D  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filament Vf 10 Volts / If 3.25 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
 
vt4c_19.png
4242A: Manufacturer's Literature
Emilio Ciardiello

 
4242a_data.png
4242A: ITT, electronic tube 1970/71
Michael Schlör


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