6.3 volt indirectly heated cathode, manufactured by AWV, Sydney, Australia, 1960-1970.

Heptode with two control grids, primarily intended for use as a synchronising pulse separator and clipper in television receivers but also useful as a modulator or gated amplifier. Also known as EH90.

Physical Description

Tubular glass bulb, with exhaust tip and seven pin miniature base.

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