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KT33

Country:  Great Britain (UK)      Brand:  MO Valve Co. Ltd.; GB 
  Tube type:  Screen-grid Tetrode   Power/Output 
Tube ID = 12785
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Identical to KT33
First year   Aug.1938 The Wireless World, London (WW, 79) Show Report

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Filament Vf 26 Volts / If: 0.3 Ampere / -: Indirect / -: Series, AC/DC /
Tube prices 0 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

352.png
KT33: Telefunken Werkstattbuch
Wolfgang Bauer

 
kt33_data.png
KT33: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos

Usage in Models   1= 1949?
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   1

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