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CV244

Information - Help 
ID = 17544
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Developer: Standard Telephones and Cables Ltd. (STC); London, Foots Cray 
Tube type:  Vacuum Pentode   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to CV244 = 4046A = VT122_GPO
Similar Tubes
Normally replaceable-slightly different:
  5A/128B ; MS/Pen

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 Top contact with a cap.
Was used by Military and/or Government
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description

General Post Office POVT122.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
Babani, International Radio Tube Encyclopaedia
 
cv244.jpg
CV244: collection EP
Eduard Pavlik

 
e442~~1.png
CV244: Fin Stewart
Fin Stewart

 
cv244_1.png
CV244: Manufacturer's Literature
Emilio Ciardiello


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