radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

P220

Information - Help 
ID = 3972
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to P220 = CV3620

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Soo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   1930
Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940
 
p220.jpg
P220: K.H.Fischer
Karlheinz Fischer

More ...
 
p220_so.png
P220: rtt
Michael Schlör

 
p220_220a_215_1.png
P220: own collection
Peter den Boer

More ...

from Just Qvigstad

Usage in Models 1= 1930? ; 1= 1930 ; 1= 1931?? ; 1= 1931 ; 1= 1933 ; 1= 1936 ; 1= 1937 ; 1= 1938?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg