Vinyl Asylum

• Jonathon Carr discussed that here once - Doug Deacon 11:51:44 01/18/06 (1)
  In Reply to: If QC allows this, then how can you be sure the stylus is aligned correctly to the cantilever? posted by ffrr on January 17, 2006 at 15:35:04:

  Lyra specifies that stylus-cantilever alignment be within 2 degrees IIRC. He tried to get it down to 1 degree, but no one could make the assemblies reliably. The reject rate became prohibitive.
  
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  "Do not meddle in the affairs of wizards, for they are subtle and quick to anger." - JRRT
  
  

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  • Re: Jonathon Carr discussed that here once - ffrr 19:00:36 01/19/06 (0)
    In Reply to: Jonathon Carr discussed that here once posted by Doug Deacon on January 18, 2006 at 11:51:44:

    So if the cantilever being a few degrees off is significant, so will the stylus being 2 degrees off be significant.

    We are lucky to ever get the alignment correct !! - lends some weight to ideas of tweaking any setup by ear after setting it roughly with a protractor.
    
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• Re: If QC allows this, then how can you be sure the stylus is aligned correctly to the cantilever? - Fred J 16:22:16 01/17/06 (0)
  In Reply to: If QC allows this, then how can you be sure the stylus is aligned correctly to the cantilever? posted by ffrr on January 17, 2006 at 15:35:04:

  
  First of all, you can assume that nothing is ever absolutely perfect and if indeed quality control slipped up and you have "Calmly" (usually allowing yourself time to chill and relax) and then give it a careful exam with a Jewelers loupe, that a REAL problem wouldn't require any sort of real guess work.

  That said, if you realistically consider the range of allowable clearances etc. in the entire turntable/arm/cartridge chain then look at the records themselves, there is most often some degree of off center spindle hole or warp, dishing etc. perhaps these are barely perceptable, then carefully watch the record being played noting the range of tonearm movement it's quite obvious there is a significant amount of perceived or real imperfection going on.

  But fortunately this stuff is a seriously mature technolgy.

  With a careful deliberate set up of most any basically competent decent tonearms and cartridges they take all this in stride and make wonderful music and with proper care, record cleaning, stylus maint. and timely stylus replacement our records will doubtless outlast any of us IMO.

  Regards FredJ
  
  

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