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HD22

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ID = 14284
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to HD22

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fp)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.12 Ampere / Direct
Information source The Saga of Marconi Osram Valve   p. 329
History of the British Radio Valve to 1940   p. 147 & 166
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

hd22_sock.png HD22: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
Usage in Models 1= 1934? ; 1= 1934 ; 1= 1935 ; 1= 1936?? ; 1= 1936 ; 1= 1937? ; 8= 1937 ; 1= 1938? ; 1= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16

Collection of

 
gechd22_web.jpg

 

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