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KTW61M

Country:  Great Britain (UK)      Brand:  MO Valve Co. Ltd.; GB 
  Tube type:  Vacuum Pentode   beam power   RF/IF-Stage   Controlling (mu) 
Tube ID = 2524
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Identical to KTW61M
Similar Tubes Other shape (e.g. bulb type):
 KTW61

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf)
Filament Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description Metallised Bulb. See KTW61 for the plain glass version. 
Literature Taschenbuch zum Röhren-Codex 1948/49   

pentodektw61m.jpg
KTW61M: Tube collection
Antonio Martins-Pais

 
ktw61m_so.png
KTW61M: rtt
Michael Schlör

 
Usage in Models   5= 1940 ; 2= 1942 ; 4= 1946 ; 4= 1947 ; 2= 1948?? ; 1= 1948? ; 1= 1949? ; 1= 1951? ; 1= 1951
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   21

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