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CV399

Information - Help 
ID = 30174
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Developer: MO Valve Co. Ltd.; GB 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 very rare. ***
Identical to CV399 = MH4 = NR31 = VT139_GPO

Base Europe 5-Pin (O5A, B5)
Was used by Military and/or Government
Filament Vf 4 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Description

= Metallised Version of MH4.

 
Literature -- Original-techn. papers.   
- - Manufacturers Literature   
 
cv399_so.png
CV399: rtt
Michael Schlör

 

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