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Thread: Setting Tracking Force

  1. #11
    Join Date: Mar 2018

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    Quote Originally Posted by walpurgis View Post
    Attempting to apply downforce with antiskating force still applied produces an angular force instead of a purely downwards one, meaning results cannot be accurate.
    In terms of the vertical force alone yes, but it does simulate the actual playing conditions, which may be more important. Either way, I don't think the error will be large enough for concern.

  2. #12
    Join Date: Jan 2008

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    Quote Originally Posted by garrard View Post
    In terms of the vertical force alone yes, but it does simulate the actual playing conditions, which may be more important. Either way, I don't think the error will be large enough for concern.
    No it doesn't and I think you've missed the point here. Bias or anti-skate is a lateral force effective whilst in motion. VTF is just that; the two are separate entities. You may well be right in your assumption that the error would be negligible, but why would you want to risk losing your stylus by having two forces acting in tandem when you only need one to measure playing weight?

  3. #13
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    Quote Originally Posted by Mike Reed View Post
    No it doesn't and I think you've missed the point here. Bias or anti-skate is a lateral force effective whilst in motion. VTF is just that; the two are separate entities. You may well be right in your assumption that the error would be negligible, but why would you want to risk losing your stylus by having two forces acting in tandem when you only need one to measure playing weight?
    I don't think I missed the point. When the record is being played, both lateral and vertical forces are present anyway. It is only the vertical part that is specified, and is measured by the scale, so lateral forces won't matter. I have never used so much bias force that my stylus is in danger. That's way OTT.

  4. #14
    Join Date: Mar 2018

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    Quote Originally Posted by Mike Reed View Post
    No it doesn't and I think you've missed the point here. Bias or anti-skate is a lateral force effective whilst in motion. VTF is just that; the two are separate entities. You may well be right in your assumption that the error would be negligible, but why would you want to risk losing your stylus by having two forces acting in tandem when you only need one to measure playing weight?
    I don't think I missed the point. When the record is being played, both lateral and vertical forces are present anyway. It is only the vertical part that is specified, and is measured by the scale, so lateral forces won't matter. I have never used so much bias force that my stylus is in danger. That's way OTT.

  5. #15
    Join Date: Apr 2009

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    I believe that Mike is referring to removing the bias when measuring the tracking weight on a scale and not during play. With bias applied, it might be difficult to physically place the stylus on the scale, without it skidding around.

  6. #16
    Join Date: Jan 2009

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    Quote Originally Posted by hifi_dave View Post
    I believe that Mike is referring to removing the bias when measuring the tracking weight on a scale and not during play. With bias applied, it might be difficult to physically place the stylus on the scale, without it skidding around.
    Precisely - as was mentioned in post #2.
    Have you listened to this month's choice in the Album Club?

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  7. #17
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    Quote Originally Posted by hifi_dave View Post
    I believe that Mike is referring to removing the bias when measuring the tracking weight on a scale and not during play. With bias applied, it might be difficult to physically place the stylus on the scale, without it skidding around.
    I have never experienced the slightest difficulty using a scale to measure tracking force and I never bother removing the bias. It is so small a force as to make no difference. It's just not noticeable. However, neither will it hurt, so whatever you prefer is fine.

  8. #18
    Join Date: Jan 2008

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    Quote Originally Posted by garrard View Post
    I have never experienced the slightest difficulty using a scale to measure tracking force and I never bother removing the bias.
    Lucky you, but I wouldn't be so cavalier with my Urushi and Proteus ! I can't imagine anybody else being so either, with any higher end moving coil (or any decent cart., for that matter). With something mechanical like a Garrard or similar you'd be asking for trouble. The electronic scales may be more user-friendly but a stitch in time.........

  9. #19
    Join Date: Jan 2009

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    If the stylus scales have a 'dimple' in the weighing platform for the stylus to sit in, then you could get away with it. But I have found the bias setting required is usually less than the 'calibrated' markings which are related to the VTF. Bias is best set up by ear with the stylus in the record groove, playing the record. The use of a mirror, or the blank section of a test record does not represent the same conditions in practice of a stylus playing in a record groove.

    And for any cartridge costing over 1K, the risk is not worth it.
    Have you listened to this month's choice in the Album Club?

    Barry

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