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Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ.

RE: 78 rpm stylus for 33 rpm records? Can it hurt?

Hi John,

Yes of course I get that when the wavelength of the signal approaches the dimensions of the stylus things are going to fall apart. The first thought would be that a 78 stylus is larger than one for microgroove records and therefore would have a lower high frequency cutoff for any given record speed.

Looking at the picture which you posted, which I'm assuming is for Lps, it shows a groove which has its sides at 90 degrees from each other. Now I don't know but I'm guessing a standard groove 78 has a similar 90 degree groove but cut deeper into the surface of the disc. Now confining the discussion to conical styli, I would expect the the cone to be a good fit to the 90 degree groove. If that is so should not the tip be identical regardless of the overall size of the cone. Now perhaps standard groove styli are truncated above the tip such that the minimum width is too large for a microgroove. Without being truncated at the bottom I would expect the standard groove and the microgroove styli to be identical up to the point where the cone is truncated at the top.

Phil


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