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  #1  
Old 07-03-2022, 11:48 AM
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Default Quadraspire SVT Rack Issue

As some of you know, I recently moved from Germany back to the USA.

My Quardaspire SVT rack worked very well on a sturdy granite floor.

Our new house in the US has a typical floor located on the 2nd floor consisting of carpeting and a carpet pad over wood.

With that said, my turntable sits on a HRS Platform resting on the top of the SVT rack.

If you even walk lightly across the floor with a record playing it will most likely skip.

I believe the SVT rack is designed to have movement, correct?

Any suggestions? Not interested in wall mounting.
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Last edited by Pyro; 07-03-2022 at 03:13 PM.
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Old 07-03-2022, 12:05 PM
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I would get a new rack for sure. I had Quadraspire in my old system and I don’t think mine would have done well on a second floor.

I’ve since upgraded to Adona Racks. In your case I would consider the Reference Rack for the TT. https://www.adonacorporation.com/reference.html

Here’s my set up. There isn’t any movement. The center one is the Reference Rack.
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Old 07-03-2022, 12:15 PM
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Default Quadraspire SVT Rack Issue

I have a similar setup, Quadraspire SVT, HRS platform, and Rega Planar 10 table on a suspended wood floor. For me the combination of the HRS plus the bronze upgrade for the top Quadraspire shelf solved any problems. Having said that, my system is on the ground floor, so the flooring may be better braced. Another option you might consider is swapping the HRS for either a Townshend or Symposium platform, which are both spring-based systems more targeted at turntable isolation from floor-borne vibrations.
http://symposiumusa.com/segueiso.html
https://www.townshendaudio.com/hi-fi...tion-platform/
https://quadraspire.com/bronze-upgrade/
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Old 07-03-2022, 12:28 PM
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Joe may have the right solution, with that springy a floor, you may need more mass/less movement in the rack.
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  #5  
Old 07-03-2022, 01:08 PM
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Rob… the SVT rack has no vibration isolation built in. I replaced my SVT feet w/ Stillpoints Ultra SS feet; that together with your HRS platform should be adequate.
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  #6  
Old 07-03-2022, 01:43 PM
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I agree with other posts here - if actual skipping, this is no longer a small vibration/noise. It may be that you have set up a tuned resonance between the floor, the stand and the turntable/base. An easy way to change this tuning/resonance is try removing the (heavy) base. Anything change?
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  #7  
Old 07-03-2022, 03:08 PM
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Thanks for the comments, I will try a couple tweaks first.

The SVT is not a stable rack IMO. I can easily shift the weight of the rack with minimal force applied from my pinky finger.
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TV&Movies PMC EB1i(2), CB1i, OB1i(2). SVS Ultra16(2). McIntosh MC207. Bryston SP4.

Last edited by Pyro; 07-03-2022 at 03:15 PM.
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  #8  
Old 07-03-2022, 03:08 PM
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Quote:
Originally Posted by clpetersen View Post
I agree with other posts here - if actual skipping, this is no longer a small vibration/noise. It may be that you have set up a tuned resonance between the floor, the stand and the turntable/base. An easy way to change this tuning/resonance is try removing the (heavy) base. Anything change?
I will try this one, its easy and costs nothing!
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TV&Movies PMC EB1i(2), CB1i, OB1i(2). SVS Ultra16(2). McIntosh MC207. Bryston SP4.
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  #9  
Old 07-03-2022, 03:14 PM
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Quote:
Originally Posted by JoeN View Post
I would get a new rack for sure. I had Quadraspire in my old system and I don’t think mine would have done well on a second floor.

I’ve since upgraded to Adona Racks. In your case I would consider the Reference Rack for the TT. https://www.adonacorporation.com/reference.html

Here’s my set up. There isn’t any movement. The center one is the Reference Rack.
Joe, I was hoping you would chime in.
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TV&Movies PMC EB1i(2), CB1i, OB1i(2). SVS Ultra16(2). McIntosh MC207. Bryston SP4.
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  #10  
Old 07-03-2022, 03:39 PM
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I have the SVT and it is solid as a rock. However, it is sitting on a solid oak floor on top on of an 8” concrete structural slab.
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