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Old 01-09-2020, 10:49 AM
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bandersen bandersen is offline
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It won't hurt it, but it also won't do anything.

Color CRTs have a metal shadow mask behind the phosphor dots that can become magnetized and cause distortion.

B&W CRTs do not have a mask
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Old 01-09-2020, 02:35 PM
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There would be no need to do so as they only have 1 phosphor. There is nothing metallic in it to get magnetized.
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