The biggest difference is that Black TUSQ XL is impregnated with PTFE; the lubrication prevents strings from binding in the slots. TUSQ is not. You get better tuning stability especially when using a tremolo or bending strings. Black TUSQ XL also has more of a midrange boost as compared to TUSQ.
Modified on: Thu, 27 Aug, 2015 at 9:10 AM
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