Summary

General purpose triode with a directly heated cathode designed to be operated from an AC supply. 1.5 volt directly heated cathode which drew a current of 1.05 amp.
Equivalent to the RCA UX226.
The combination of low voltage and high current in the filament was designed to minimise hum.
Sylvania Products Co., Emporium, PA, USA.

Physical Description

Conical bulb, with American style 4 pin (UX) Bakelite base.

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