I had started to wonder whether the advantage of plugging each Phantom into its own individual mains socket would outweigh a mains conditioner. I will probably try moving the Dialog to an unfiltered mains block... and pray that the Andrew_Brown Theorem is wrong! (Or else Devialet have taken away yet another area of HiFi exploration)
JRiver v25 (Windows) >> 220Pro/CI >> PMC Twenty5.23 + twin KEF KC62 subs. One White Phantom.