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ID = 13049
Brand: VATEA; Budapest
Tube type:  Screen-grid Tetrode 
Identical to SV490 = RENS1204 = E442S = S410N = AS4100

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fc)
Filament Vf 4 Volts / If 1 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

9_58.png SV490: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
SV490: Manufacturers data
Patrice Zeissloff

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