Summary

Used as a horizontal deflection amplifier in early black and white television receivers.
Known as the EL81 in Europe.
6.3 volt indirectly heated cathode.

Manufacturer: Mullard, England
Manufactured for Philips, Australia

Physical Description

Tubular glass bulb on nine pin miniature glass button base with top cap. Valve is contained in rectangular yellow and blue coloured cardboard box with fixed internal cardboard packing.

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