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Power isolator versus need for a better Power supply

I have a transparent power isolator, and a component with a Wall wart power supply.

If I plug the wall wart into the power isolator, does this precluding need to replace the wall wart for a better Power supply (ie. Ifi, etc). Doesn’t Power isolator clean things up before electricity arrives at the Wall wart?

I asked this question and didn't get a very good answer from the dealer that would be selling me a Power supply to replace the wall wart assuming I need to do it

 

jumia
soix
10,325 posts
 

If you have a good “power isolator,” whatever that is, not sure the refrigerator should make much difference.  What power conditioner are you using BTW?

jumia OP
528 posts
 

It's a Transparent Power isolator, it is in the power conditioner family. 
 

Related to refrigerator compressor, I am speaking about the obvious audible noise not the electrical noise, which is on a different circuit and should not be much of a problem assuming my grounding system is OK, and it is.

ghdprentice
8,072 posts
 

I owned a Sim Moon 650D DAC/CD player ($8.5K) and after a couple years added their separate power supply 820 ($8.5K)… to me totally worth it. The new power supply replaced the internal one. I quieted the output, enhanced resolution, improved sound stage. But each decision has to be made on an individual basis.
 

If your component has a wall wart power supply… then perhaps trading in and upgrading the unit might be more cost effective. 

A few years later I replaced both with a single $17K unit. Huge upgrade… but completely different sound and the right move for me then.

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