Quote:
Originally Posted by old_tv_nut
? I didn't think the mask affects convergence, only purity. ?
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It affects both. Minor warpage or magnetism will affect purity, severe warpage affects convergence and purity, but these tubes were very stout physically and it would take a significant impact to warp the shadow mask bad enough to affect convergence.
Later tubes were more prone from bumping, and just looking at a Trinitron crosseyed would give them fits.
John