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220TH

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ID = 18333
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Developer: Cossor, A.C.; London 
Tube type:  Triode-Heptode   Frequency converter 
Identical to 220TH = CV1082 = VR82
First Source (s)
1938 : History of the British Radio Valve to 1940 p.199

Base British-7-Pin, old (M7A) (Codex=Nto) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 133 x 52 mm / x 5.24 x 2.05 inch
Weight 55 g / 1.94 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 30 & 31

220th_sock.png 220TH: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
Usage in Models 1= 1938?? ; 1= 1938 ; 3= 1939 ; 2= 1940 ; 2= 1947 ; 1= 1948??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of

 
cossor_220th.jpg

220TH
 

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