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Why do old Fender magnets have dark rough pits as compared to the new magnets?

April 26, 2017Dark Fender magnets pits rough

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Why do old Fender magnets have dark rough pits as compared to the new magnets?

1 Answer

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The pits are formed into the rod and bar magnets when the molten magnet material is poured into sand cavities and the pits are from the actual sand mold. The older magnets had a larger diameter and the magnets were molded close to tolerance and cut to the desired length. The newer magnets are center-less ground to .187 diameter as compared to the older .197 diameter.