Quote:
Originally Posted by old_tv_nut
??? Please explain what is a "focus coil" for sets that used electrostatic focus?
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I had the same brain fart on the first read...He doesn't mean a coil on the neck of the tube to create magnetic focus of the guns like a 40s monochrome set, but an adjustable transformer coil in the HV cage that controls focus voltage is to the focus pin of the tube.