Many residential and commercial spaces apparently do not require power conditioning. My colleagues here in the department of electrical engineering and computer science measured the voltage in our house and within our home network. They even brought some expensive retail conditioners to test and they (and me using my ears!) - we found no measurable or significant differences. I will post their results if there is interest. There are no problems or issues here - thus, I believe that those who suggest that we can all benefit from power conditioning are wrong.
Who Tried Power Conditioners Over The Years and No Longer Use Them Today, Any Why?
Been thinking back to when I started in Audio and how good the system sounded with no power conditioners or fancy power cords. Then in the '90s slowly they both became a huge profit market for stores and manufacturers of them. If you used one on front end gear only or whole systems I will be interested in your real-world experience you could share with us all. I have a few so I am not against them, but I do at times have questions.