Sharp cut-off high gain R.F. pentode. Used in wide band amplifiers such as television and radar intermediate frequency and video amplifiers.

The date on the box probably refers to when this valve was taken out of service.1968 as the year of manufacture seems too recent.

6.3 volt indirectly heated cathode.

Manufacturer: Mullard (Mitcham works), England.

Physical Description

Tubular glass bulb with exhaust tip and 7 pin miniature base. Valve is contained in original carton. Rectangular carton coloured green, white and blue in various places. Company name and logo in red and white.

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