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KT33

Information - Help 
ID = 12785
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Screen-grid Tetrode   Power/Output 
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 1 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
  01_kt33_sch.gif
  KT33: Osram Valve Guide and Book of Circuits
Achim Dassow
 
352.png
KT33: Telefunken Werkstattbuch
Wolfgang Bauer

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


Usage in Models 1= 1941?? ; 1= 1949?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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