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ID = 68406
Brand: Sicte, Società Italiana Costruz, Pavia
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 50S4
Similar Tubes
Other shape (e.g. bulb type):

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 50 Volts / If 0.15 Ampere / Indirect / Specified current AC/DC ~ = (Series working)

50s4.png 50S4: GBC TUBE CATALOGUE 1964
Giuseppe Feniello

Just Qvigstad

Collection of



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