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ACHM4

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ID = 9760
       
Country:
Great Britain (UK)
Brand: 362 Valve Co., Ltd. (The ...)
Tube type:  Vacuum Pentode   Audio Frequency   Controlling (mu) 
Identical to ACHM4 = SP4
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p. 151

s_12_g.gif ACHM4: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


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