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KT21

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ID = 11298
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Beam Power Tube   Power/Output 
Identical to KT21

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Filament Vf 2 Volts / If 0.3 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

606_2.png KT21: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
kt21_data.png
KT21: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos

Usage in Models 1= 1937 ; 2= 1938 ; 2= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of

 
maconi_kt21_kaes1.jpg

 

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