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why does a stylus made of a very hard substance.. - Page 2

post #16 of 17
A stylus with 10x45um tracing width and 1.5 grams of tracking force will "only" have an average contact pressure of 16 GPa. The known hardness of diamond is 90GPa at the low end. Similarly, diamond burns at 570 degrees F, not 300. So there's a bit more to it than that.

From what I understand, the impurities in the diamond stylii weaken them at microscopic scales, and the high temperature does nothing to help its toughness either. The stylus fractures and leaves diamond "dust" embedded on the record. This not only increases the surface noise on the record, it also helps to cut the stylus down even faster. So a big reason of why playing vinyl wears out records is that there's actually quite a bit of diamond down there polishing your stylus...

This is probably the best reason to avoid too high a tracking force.
post #17 of 17
Everything wears out over time (including us). Just enjoy it while it lasts. I wouldn't stress yourself over it. I would clean the stylus and record and stretch it out as long as you can though.

Just make sure you don't shorten its time significanly by munching it

I did that and it nearly brought tears to my eyes.
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