I would start by taking your Tacima mains filtering strip out of your system, not the other way around.

There are many other things that will have much more of an impact on your system, but if you do want to try, then I'd say balanced mains of at least 1.5KVA is the way to go. Conditioners tend to 'sit on' the sound and affect dynamics.

Interestingly I plugged in an Amazon Fire TV stick into my Tacima (I use it for my TV & router), which forced it into a slow power-saving mode - it's because it checks for current ability, which the Tacima obviously interfered with - back into a wall socket & the Fire TV worked perfectly again.