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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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Vinyl Asylum Welcome Licorice Pizza (LP) lovers! Setup guides and Vinyl FAQ. |
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In Reply to: Help SRA related posted by Whitesnake on June 25, 2017 at 19:53:55:
What did the cartridge sound like when you set the arm level i.e. you weren't lifting the arm pivot higher?
The SRA is largely determined by the mounting in the cantilever. Depending on the suspension flex, you would have to lift the back by 5.86mm more (roughly) to get the additional 1.6 degrees.
However, as I'm sure you have realised, you don't get the angular change you expect for the amount by which you lift the arm due to suspension flexure.
Don't forget that whilst you are changing SRA, you are also changing the VTA. So what you gain on one optimisation you lose on another.
Are you prepared to shim for different record thicknesses? I do and it certainly pays off. If you are not, then you are sort of wasting your effort worrying about SRA so much. Your tip has a fairly short bearing radius so is nowhere near as critical as a Replicant 100 or VdH Type 1S for example.
The 2 degree recommendation is because the effective SRA range is anywhere from 0 to 5 and the mean value is around 2 assuming a normal distribution and "typical" lacquer characteristics. As the industry expert has pointed out, the cutting angle is determined by the lacquer springback and so with a big enough collection you are bound to find records that don't sound "quite right" given the criteria used for determining cutting angle.
Regards Anthony
"Beauty is Truth, Truth Beauty.." Keats
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Follow Ups
- RE: Help SRA related - flood2 19:22:02 06/26/17 (2)
- RE: Help SRA related - Whitesnake 07:10:03 06/27/17 (1)
- RE: Help SRA related - flood2 16:33:06 06/27/17 (0)
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