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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: Power conditioners-Do they work?

One of the reason I am asking the question is there is massive argument going on in http://whathifi.com/forums/t/2040.aspx . This is rapidly going balistic. The are a few posters who are trowing physics as a reason as to why we don't need power conditioners. That all the filtering is done in the power supply as built in the hifi unit. This forum "Whathif" is not as technical aware as here so I am wondering if there is any research into rf break through with regard to the power supply. If it could be shown that not all power supplies are the same then any argument that claims that you imagined a difference becomes null and void.

I use a variac as a filter as I saw many Hifi demonstrators use them at a hifi show. I did notice a difference and I was blind tested on it (being disabled I can not get round the back of my hifi to see how it is plugged).


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