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42SPT

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ID = 9853
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 42SPT = CV1444

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   p. 24 & 25
History of the British Radio Valve to 1940

42spt.gif 42SPT: AH eigene Sammlung
Alexander Hofer


Just Qvigstad
42spt_characteristics.png
42SPT: My schematic collection.
Pier Antonio Aluffi

Usage in Models 1= 1939?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
42_spt_2.jpg

 

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