Quote:
it is possible to "ruin" a CRT with residual magnetism. The "ruined" CRT will have a magnetised shadow mask (the 'gauze' behind the glass front)

Based on the positioning of the speaker, I'll bet that's exactly what happened to my friend's CRT.

Quote:
A TV engineer can use a handheld degaussing wand to manually demagnetise the screen

Wish we'd known that back then.
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Tony Fabris