Eaton 9px as audio power regenerator?


I was looking at prices of audio power regenerators; I then thought of alternatives.
Does anyone here have experience with the Eaton 9xp? It's a double conversion UPS.
I would probably switch out the fan in it if I was to purchase one.
I just don't have the cabbage for a PS Audio regen.
I live in a condominium, enough said....
I was listening to some Jeff Healey Band; as I noticed the light above me fluctuating in brightness. I didn't notice a change in sound quality, but it got me thinking.
What do you all think?

Thanks for any input!
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Eaton makes some fantastic on line UPSs with 9 factor power conditioning. I’m about to wire up a couple 9130-1500 UPSs to power my listening room equipment racks. I’m expecting great results, as Eaton is one of the few UPS manufacturers who produce a perfect sine wave output without harmonics. 
Hi sleepwalker,
I was also looking at SANUPS.
I'm wondering about the fan on these units, how loud they are.If you don't mind me asking:
What version of the 9130 did you decide on?
What was the biggest deciding factor of the 9130 for you?
Thanks

The 9130 is loud. I had the opportunity to purchase a few 1500VA models a little while ago at a very good price, so that and past experiences with Eaton how I formed my decision. The 9130s will be located in the basement, feeding two dedicated circuits to my listening room on the 2nd floor through AFCI breakers. I haven’t gotten around to running the wiring yet.