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S493

Information - Help 
ID = 12981
       
Country:
Italy
Brand: Zenith; Monza (Italy)
Tube type:  Screen-grid Tetrode 
Identical to S493

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   
 
s493_daten.png
S493: Bericht in "L'antenna", Ausgabe 08/1932
Daniel Consales


from Just Qvigstad

Usage in Models 5= 1933

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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