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In Reply to: RE: The dust cover for my new VPI Prime came in last night... posted by EdAInWestOC on April 11, 2017 at 11:22:56
I bought some heavy Sorbothane sheeting with adhesive backing for my new dust cover. To begin with, I intend to apply the sorbothane sheeting to the back of the bottom half of the dust cover. This is where it is the least noticeable.
The sorbothane is intended to counteract the tendency of the dust cover to pick up airborne vibrations and feedback those vibrations to the turntable. The sorbothane is the thickest I could find with the greatest damping factor.
I know many avoid the dust cover because of the vibration issue. I like the ability to keep the dust off of my turntable, even while playing.
Ed
We don't shush around here!
Life is analog...digital is just samples thereof
Follow Ups:
that you actually listen to music with the dust cover in place?
Not a good idea in my opinion. In fact, I would not listen to music with the dust cover attached to the turntable in any way. But that's just me, I guess.
I have listened to music with the dust cover closed for over 40 years.
The new dust cover has not been used yet. I got it Monday and there has not been the opportunity.
I intend to treat it with sorbothane sheeting until it can be used in place without negative side effects. I have managed to do that in the past.
And, at that point, it is a positive factor. When you have a dust cover that does not transmit airborne vibrations to the turntable, you have an enclosure that protects the turntable from airborne vibrations. Essentially a small noise free enclosure.
At least that is the plan.
At this point I have applied sorbothane sheeting to the rear of the bottom half of the dust cover (this happened after the photos were taken). I have egg crate type noise treatment behind the turntable (you can see it in the photo) that is the same color as the sorbothane sheeting. The turntable is approximately the same height as the lower half of the dust cover.
The result is a dust cover with sorbothane sheeting that is not noticeable.
I have ordered some 2 inch wide sorbothane strips to place on the butcher block where the dust cover sits. The sorbothane strips are the thick variety (3/8") so it should help any noise at that point. It will be an audio gasket.
Ed
We don't shush around here!
Life is analog...digital is just samples thereof
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