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215P

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ID = 15324
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Developer: Cossor, A.C.; London 
Tube type:  Triode, vacuum   Power/Output 
Identical to 215P = StentorTwo
Similar Tubes
Normally replaceable-slightly different:
  CV1019 ; NR28
First Source (s)
1926 : Saga of the Vacuum Tube, Tyne p.376
22.Nov.1935 : Wireless World (The), London (WW, 79)
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Description

Stentor Two is an alternative name for the 215P (green Band)

Filament rated as 0.15A at 1.8V.
With Ra of 4400 at Va of 140 and -Vg of 12. Amp Factor = 4.4.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p.145 & 161
1_75.png 215P: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		215p_data.png
215P: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos
Usage in Models 2= 1929 ; 1= 1930 ; 1= 1931 ; 3= 1933 ; 2= 1934 ; 1= 1937 ; 1= 1938??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11

Collection of

Geri Meier (CH)
Sinisa Trlin (HR)
 
215pcossor_klein.jpg

215P
 
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