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Thread: What the Heck?

  1. #11
    Join Date: Jan 2008

    Location: Forest of Dean, Glos

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    I'm Jerry.

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    Tom !! - you gotta get one of those!
    Jerry

    Spotify Premium streaming, Laptop / Halide Bridge, Audiolab 8200CD DAC, Schiit Saga passive/active preamp, >>amp de jour<<, MBL 116F.

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  2. #12
    Join Date: Jan 2008

    Location: Norwich

    Posts: 529

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    Quote Originally Posted by REXTON View Post
    i bet it has very low tracking error!!!
    Tracing error; often confused but very different. I'd imagine that its rigidity would be questionable, as would getting perfect alignment, and rather subject to footfall, possibly?

  3. #13
    Join Date: Jan 2009

    Location: Essex

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    I'm openingabottleofwine.

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    Tracking error: the angular deviation from true tangential tracking of the record groove by a pivoted arm/cartridge assembly. It is dependant on the arm geometry. Longer arms have lower tracking error (at the expense of effective mass) than shorter arms.

    Tracing error: the inability of the stylus to precisely trace the pattern of the record groove. It depends on the geometry of the stylus, and how closely it approximates the profile of the cutter head. Spherical styli have the greatest tracing error (as well as 'pinch' distortion), whereas 'micro ridge' types have the least.
    Have you listened to this month's choice in the Album Club?

    Barry

  4. #14
    Join Date: Jan 2008

    Location: Norwich

    Posts: 529

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    Barry, I've always understood that 12" arms, e.g., have a lower TRACING error than, say 9" That is, they are more able to trace the ideal sweep from outer to inner grooves, thereby exhibiting lower inner/outer groove distortion. Similarly, TRACKING error is the inability for the stylus to stay in/ track the groove. This could be caused, e.g. by incorrect overhang etc.

    Could be wrong here, but it looks as though your info. above completely gainsays my understanding, which is learnt rather than derived from technical knowhow. Odd, but I'd like to know.

  5. #15
    Join Date: Feb 2013

    Location: W Lothian

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    I'm Grant.

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    The lower the mass of a cantilever will also reduce tracing error
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
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  6. #16
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 75,156
    I'm AudioAl'sArbiterForPISHANTO.

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    Lol - great pic, but that arm's a joke, and will almost certainly sound like it!

    12" arms? Undoubtedly technically superior to 9" ones (for reasons given), but most I've heard sound a bit laid back, despite their otherwise good points (smoothness and bass weight) compared with even the best 9-inchers.

    For me, however, the latter have a zesty/dynamic 'get-up-and-go', and 'fun factor', absent in their 12" counterparts, which I need for my music listening.

    Some say 10" arms offer the best compromise between both - sentiments my instincts tell me could be right - which is why at some point, sooner rather than later, I intend to test that theory

    Marco.
    http://www.thestainedglasscompany.com

    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do" -- Milan Kundera.

  7. #17
    Join Date: Jan 2009

    Location: Essex

    Posts: 16,734
    I'm openingabottleofwine.

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    Quote Originally Posted by Mike Reed View Post
    Barry, I've always understood that 12" arms, e.g., have a lower TRACING error than, say 9" That is, they are more able to trace the ideal sweep from outer to inner grooves, thereby exhibiting lower inner/outer groove distortion. Similarly, TRACKING error is the inability for the stylus to stay in/ track the groove. This could be caused, e.g. by incorrect overhang etc.

    Could be wrong here, but it looks as though your info. above completely gainsays my understanding, which is learnt rather than derived from technical knowhow. Odd, but I'd like to know.
    https://www.stereophile.com/referenc...try/index.html
    Have you listened to this month's choice in the Album Club?

    Barry

  8. #18
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 6,983
    I'm AnDreW.

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    Quote Originally Posted by Mike Reed View Post
    Tracing error; often confused but very different. I'd imagine that its rigidity would be questionable, as would getting perfect alignment, and rather subject to footfall, possibly?
    I was being sarcastic.
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  9. #19
    Join Date: Jan 2009

    Location: Norwich

    Posts: 2,335
    I'm Hugo.

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    Going to the other extreme, how about a 7” tonearm with zero offset?

    https://theaudiophileman.com/rigid-f...earm-viv-labs/

    I’d love to hear one of these.

  10. #20
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 75,156
    I'm AudioAl'sArbiterForPISHANTO.

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    There's some clever engineering going on there... Love the bubble level, for ascertaining correct VTA! Why has no-one else thought of that?

    Marco.
    http://www.thestainedglasscompany.com

    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do" -- Milan Kundera.

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