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SS4SPAC

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ID = 6690
       
Country:
Great Britain (UK)
Brand: Six-Sixty (Tube Brand), The Electron Co. Ltd. & Six-Sixty Radio Co. Ltd.; London
Tube type:  Triode, vacuum   Power/Output 
Identical to SS4SPAC

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description 1W audio output at Va=200, Ia-30mA, -Vg=28, Rload=4,000 ohms; gm=4mA/V. 
Information source Wireless World (The), London (WW, 79)   1933 Data book.

b5~~36.png SS4SPAC: Fin Stewart
Fin Stewart


Just Qvigstad
 

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