Dual Pivot - Is the arm still considered a uni-pivot arm?

Dual Pivot - Is the arm still considered a uni-pivot arm?

Postby Johnny » Tue Sep 12, 2017 9:55 am

If one installs the dual pivot on a VPI tonearm, is the arm still considered a uni-pivot?
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Re: Dual Pivot - Is the arm still considered a uni-pivot arm

Postby Brf » Tue Sep 12, 2017 11:00 am

Yes, the VPI tonearm with the dual pivot point installed is what is known as an constrained uni-pivot bearing, whereby, the free rotation around the pivot axis is now restricted (constrained) when compared to a non-constrained uni-pivot which moves freely in both the vertical and horizontal plan.
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Re: Dual Pivot - Is the arm still considered a uni-pivot arm

Postby Johnny » Tue Sep 12, 2017 7:35 pm

Well, I was kinda expecting a bit of a forum debate, but you certainly shut the door on that! I was not aware that they had an actual name for it. You truly are an audio encyclopaedia - thanks.
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Re: Dual Pivot - Is the arm still considered a uni-pivot arm

Postby Harry » Fri Sep 15, 2017 5:54 pm

See, you really don't need me!! Thanks Brf, as usual you nailed it.

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