Its going a bit off track here.. but its quite telling that the 2 tweaks being discussed ..power and vibration control are the 2 which I had doubts that they did anything
My power solution has far more to do with bad voltages , brownouts , surges and rolling blackouts .. however it must be said I have nothing at all fancy after the power outlets
and the whole thing has its own DB board....I can't say it improved SQ but certainly improves the rest
As to vibration control..I make isolation tables for a few of my scientific customers .. for laser and probe measuring
I tried to sashay this into a hifi product .. .. have never sold an item despite getting a great review in our local rag ad being stupidly cheap..Its totally a was and dormant but have a look
http://www.u-tunez.co.za
They worked real well with my TT and valves .. but I have tables and my footers under my SS stuff and that makes no audible difference...
they make a huge difference with laser measuring and so on.
Rodney, your power solution dealing with bad voltages, brownouts, surges, etc, are problems a bit more unique to you and some others. However, those problems are outside of and separate from the universal problem of noisy AC. At least here in the states anyway. AC by its very nature is noisy coming in from the street and it matters not how close the nearest power sub-station is.
Proper electrical management includes a number of sectors of the vineyard, e.g. electricity coming in from the street, speaker cables, ic's, power cables, fuses, inlets, outlets, plugs, breakers, service panels, house wiring, dimmers, appliances, bi-directional noise induced by digital products, along with perhaps a few other items.
By far and away the single greatest improvement one can make toward superior electrical management is superior AC filtering / line conditioning. The problem with superior line conditioners, perhaps far more than any other product type, is that finding a brand that actually works is like looking for a needle in a haystack. Most line conditioners simply are not worth owning in that they do nothing or worse, they induce their own sonic harm. I speculate there are only a handful of manufacturers who produce superior line conditioners actually worth owning. In my case, I've used various versions of Foundation Research's line conditioners since 2001. These are small, dedicated, passive, and bi-directional filtering. Moreover, they actually cleanse/purify the noisy AC coming in from the street.
It's usually best is to steer clear from the mainstream brand names as these are the ones that seem to actually induce their own sonic harm on the untrained ear. For example, I've been in a friend's home who owned about $5000 worth of line conditioners (brand name mentioned elsewhere in this thread) where after about 10-15 minutes I couldn't take it any more and asked if we could try just plugging the gear straight into the wall (and by-pass the popular name brand line conditioners). We both noticed a significant difference. Went home and brought back my FR line conditioners and noticed an improvement and my friend bought 3 or 4 FR LC's shortly thereafter and sold the crappy one's that were actually inducing harm into the presentation.
As for proper vibration management or superior / extreme forms of vibration control, I'm gonna take a pass on delving into this topic for my own sanity since people are all over the map on this most basic energy / topic.
But let me say this about both proper electrical mgmt and proper vibration mgmt:
My position is that electrical and mechanical (vibrational) energies are a basic requirement for any playback system to function at all. Yet when under controlled or under managed, these same two energies will utterly cripple our sensitive components’ precision and accuracy so that they can only perform at a small percentage of their real potential. Thus leaving a majority of the music information embedded in a given recording (regardless of format) so distorted that even though processed, it remained inaudible due to a much raised noise floor. A performance-limiting governor if you will. And just as in perhaps every other industry, it is the foundation that ultimately determines the performance levels of everything built on top of it.
Looking at managing these two energies from another perspective, think of your playback system as a vineyard where every component has its place or area of responsibility within the vineyard and with little or no potential overlap into other parts of the vineyard. That is except for electrical mgmt and vibration mgmt which actually spans perhaps the entire vineyard. So if chance one were to stumble upon a superior electrical mgmt strategy and/or a superior vibration mgmt strategy, the entire vineyard is impacted, not just one area. In other words, the performance gains can become so great that it's as though every component in the playback system has just received a significant upgrade, not just one component.
Regardless, I hope it becomes a bit more obvious why at least theoretically, proper electrical and proper vibration mgmt could and should be considered foundational to every last playback system. Because they are. Just like every last architectural building structure is built on a foundation, whether inferior or superior and ultimately it is the quality of the foundation that determines the performance of whatever is built on top of it.
And since electricity and vibration span the entire vineyard and thus potentially impact the entire vineyard, it stands to reason that electrical mgmt and vibration mgmt are the foundation for which every last system is built. Whether inferior or superior.