Well, one +1 and one -1 :-)
I'll take that as meaning it could go either way and I'll agree with that, "Audio is subjective and each to his own" to quote audio–engr.
My experience was that I found that the results of stacking vibration control products was unpredictable, tended to reduce one problem at the cost of exacerbating another problem, and that the overall result of a combination was rarely better and usually worse than the result with whichever one of the stacked devices I preferred on its own. I have no doubt it's possible to find a situation in which stacking devices actually does deliver a better result overall but I can't remember finding such a situation when I was playing with this sort of product and I definitely didn't get around to trying every sort of combination of products possible in every sort of way they could be combined. Given the limited amount of information provided by the manufacturers of this sort of product we've usually got very little reliable information to assist us in working out which products might be good in combination so it comes down to trial and error and, given the number of products out there, you can go through a hell of a lot of trials before finding a successful combination and you may never find a successful combination because there's too many possible combinations of products for any single person to try them all.
I'm not going to try and stop anyone from trying combining different vibration control products, after all I spent a fair amount of time doing just that over several years. You can have fun playing with this sort of stuff and I learnt a lot from it, even from all of the failures. I learnt a lot about what aspects of the sound I was getting were important to me, what sorts of things about sound I liked and what sort of things I disliked. I became more skilled in listening critically and I learnt things like how much easier it was to make a mistake about whether or not something was an improvement if you were simply focussing on whether you'd reduced a particular problem rather than on what the overall sound quality was. A lot of what I learnt continues to be useful to me in everything to do with system setup when I make changes so I don't regret my time spent experimenting but I didn't find any really beneficial combinations of the products I experimented with. It wasn't wasted time because of what I learnt, but it also didn't produce the kind of outcome I was looking for.
YMMV.
I'll take that as meaning it could go either way and I'll agree with that, "Audio is subjective and each to his own" to quote audio–engr.
My experience was that I found that the results of stacking vibration control products was unpredictable, tended to reduce one problem at the cost of exacerbating another problem, and that the overall result of a combination was rarely better and usually worse than the result with whichever one of the stacked devices I preferred on its own. I have no doubt it's possible to find a situation in which stacking devices actually does deliver a better result overall but I can't remember finding such a situation when I was playing with this sort of product and I definitely didn't get around to trying every sort of combination of products possible in every sort of way they could be combined. Given the limited amount of information provided by the manufacturers of this sort of product we've usually got very little reliable information to assist us in working out which products might be good in combination so it comes down to trial and error and, given the number of products out there, you can go through a hell of a lot of trials before finding a successful combination and you may never find a successful combination because there's too many possible combinations of products for any single person to try them all.
I'm not going to try and stop anyone from trying combining different vibration control products, after all I spent a fair amount of time doing just that over several years. You can have fun playing with this sort of stuff and I learnt a lot from it, even from all of the failures. I learnt a lot about what aspects of the sound I was getting were important to me, what sorts of things about sound I liked and what sort of things I disliked. I became more skilled in listening critically and I learnt things like how much easier it was to make a mistake about whether or not something was an improvement if you were simply focussing on whether you'd reduced a particular problem rather than on what the overall sound quality was. A lot of what I learnt continues to be useful to me in everything to do with system setup when I make changes so I don't regret my time spent experimenting but I didn't find any really beneficial combinations of the products I experimented with. It wasn't wasted time because of what I learnt, but it also didn't produce the kind of outcome I was looking for.
YMMV.
Roon Nucleus+, Devilalet Expert 140 Pro CI, Focal Sopra 2, PS Audio P12, Keces P8 LPS, Uptone Audio EtherREGEN with optical fibre link to my router, Shunyata Alpha NR and Sigma NR power cables, Shunyata Sigma ethernet cables, Shunyata Alpha V2 speaker cables, Grand Prix Audio Monaco rack, RealTRAPS acoustic treatment.
Brisbane, Qld, Australia
