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4THA

Country:  Great Britain (UK)      Brand:  Cossor, A.C.; London 
  Tube type:  Triode-Hexode 
Tube ID = 8734
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Identical to 4THA = CV826

Base British-7-Pin, old (M7A) (Codex=Ng)
Filament Vf 4 Volts / If: 1.5 Ampere /
Literature Taschenbuch zum Röhren-Codex 1948/49   

4tha.jpg
4THA: RFJ
Roy Johnson

 
554.png
4THA: Telefunken Werkstattbuch
Wolfgang Bauer

 
Usage in Models   2= 1940 ; 1= 1942
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   3

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