Went through this a few years ago. Man I trust "Klaus" from Odyssey Audio. Made point all S.S. components must remain "fully charged" to offer best operation. I could hear difference after the 20th day. High's SMOOTHED out Low's became Richer/not as snappy. Whole system pre, amps, subs, dvd, cd, and sat box. Are on 24/7 from apc h-15. 1st thing in APC manual "turn it on leave it on" Hope this helps.
Bruce
Bruce