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Eventually I got electricity-wise what I had in my old listening room. It turned out that the last straw that I was missing was Lavry ADC that was connected to ground of my remote switcher.

http://www.goodsoundclub.com/LatestPosts.aspx?ThreadID=8015

I as under impression the since my IP switcher box has lifted ground then whatever is connected to it shall not have ground lifted. I was not the case and until I individual lifted ground on each individual piece of equipment I did not have good result.  As I did removed ground on each individual piece of equipment then I lost my HF loop and was able to use my own dedicated ground. So, I have no the same configuration as I had 2 years back only now I can ground my playback. There is not a lot sonic difference that I hear between floating ground and grounded ground, the only disadvantage with lifted one is that I pick up some static discharge on my finger tips sometimes… I said that there is not a lot sonic difference as there is some very minor difference, with advantage of floating ground, but it is so minor that I find it practically negligible. What I connect my own ground to playback I do it in single location – the preamp chassis.

So, what sonic benefit I got with absolute abandoning of Ground would it be wall ground, my own ground or PP2000 ground.  I have redaction of HF “extension” and more characteristic MF. My MF is very idiosyncratic, it is YO186-colored MF and I do feel that grounded electricity dilute the YO186 colorations. The no-ground electricity removes some gloss from HM, making upper range drivers more idiosyncratic and more distinguishable. I like it a lot, in fact I feel that now my upper range a bit more colored then I need, thanks fully it is very easy to adjust.

Interesting that use of second PP2000 still exhibit an addition of brightness, even though I feel that without use of any grounds the effect is much smaller. Well, it is not smaller in amplitude sense but rather less devastating. With common ground two PP2000 are just zippy. With absolutely eliminate common grounds Sound with second PP2000 is brighten but not zippy. What I am taking about eliminated ground I of cause am taking about the load side of PP2000 not the source side- the wall’s side of PP2000 is running from normal wall ground.

The only problem that I see in my current configuration is  that cheater plugs are too flimsy and the contact can get loose. The 3 point plug is much firmer contact, particularly with heavy power cables. I would like to have custom cheater plugs gone. The cheater plugs that I would like to have would be the 3 pins contact but the ground just disconnected internally. I mean the female ground contacts shall be there as it holds the center ground pin of power cord very tight but the female ground contact shall not be connected to male ground contact of the cheater plug adapter.

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