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RE: it is a Stevenson if...

Thanks, Garven!

After reading as much of that as I could, I'm inclined to agree with Anthony (flood2) in that Stevenson developed a methodology nearly identical to Lofgren and Baerwald in order to minimize distortion within his chosen innermost and outermost groove radii for developing a set of null-points he believes will provide the best performance for modern LPs. Stevenson developed the table that Anthony reproduced in one of his posts. It contains his recommended alignments. Apparently, the alignment Stevenson believes to be optimal has its maximum distortion at an inner groove radius of 2.158" (54.132-mm) and an outer groove radius of 5.719" (145.2626-mm). He apparently applied equations equivalent to Lofgren's equations to minimize tracking error distortion within these limits thereby coming up with alignment null-points of 2.375" (60.325-mm) and 4.606" (116.9924-mm). Anyway, that's basically what I deduced from the article you referenced. Is that your understanding, too?

Thanks,
John Elison

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  • RE: it is a Stevenson if... - John Elison 14:02:18 02/16/17 (0)
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