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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: stacking equipment advice posted by P.C. on February 13, 2009 at 19:12:38:
You have found the value of vibration control and have obviously put some time into experimenting to find your best mix. When you stack you add the vibrations of both setups, so it's never a better idea for sonics. Why would you want to do that, after you've already spent the time and money to try to control vibrations?
If you must do this for some reason, or are determined to do so for some aesthetic concerns, then you will need to isolate the two components from one another as effectively as possible. While this sounds easy, it isn't automatically so.
For example, lots of isolators are effective vertical "springs" in the physics sense. Elastomers of all kinds fit that bill. But adding more than one vertical spring to a stack often is worse than not adding the second (or third) one.
So if you have to do the above, use only ONE highly effective vertical spring and place it between the components, IMHO. Maybe a vertical spring and a constrained layer shelve together. But not more than that!
I have no direct experience with BD feet and DH Cones, but suspect that they both couple (they're hard as I recall) and dissipate at the same time, but mostly they're hard, so I'd view them as primarily couplers. Delrin as I recall is simlar to Teflon, and I have no idea what its sonic attributes might be. The rubber feet are undoubtedly vertical springs and are probably your weakest link of all. Consider replacing those with a very good elastomer, such as Herbie's material or Norsorex (my favorite) balls. Herbies is at herbiesaudiolabs.com and he's a very good source of information. Norsorex (dead, sad, unhappy) balls can be gotten for good prices (if you ask for only the Norsorex and not the pair with superballs!) from Arbor Scientific, or alternately from Edmund Scientific over the Web.
If you can afford them the new Symposium shelves with the separate top quadrants should be very good. If you can't, there are so many effective DIY recipes here on Tweaks Asylum that I won't bother repeating them.
FWIW, I use combinations: vertical isolation with Norsorex, symp clone shelves that act as "seismic sinks", and horizontal/rotational coupling roller ball clones. YMMV....
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Follow Ups
- Look to your own experience - bartc 06:34:30 02/14/09 (2)
- RE: Look to your own experience - P.C. 19:14:48 02/14/09 (1)
- Only experience will tell - bartc 22:14:48 02/14/09 (0)
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