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EX410

Information - Help 
ID = 79003
       
Country:
Hungary
Brand: VATEA; Budapest
Tube type:  Triode, vacuum   Power/Output 
Identical to EX410

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct
Description

Pa <10W

gm 3mA/V

 
Information source - - Manufacturers Literature   


Just Qvigstad
vatea_ex410_k.png
EX410: Rádió és Fotó Amatőr, 1931.
Sándor Perneky

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