Power conditioner/strip

I have a Puritan Audio PSM156 (6 outlets) and a PSM1512 (same thing, but with 12 outlets). They're not cheap but can handle a 20A input. Great impact on dark background, elimination of hum, etc.. AND... I also have 3x units of the VINSHINE x KINKI "TAIHANG" these units have 4 outlets and are "only" USD $1,425 (SGD $1,794). These Tai Hangs have a lot of power capacitance and can drive all of my amplifiers, while providing great filtration. Underappreciated, I think, especially for the price. Vinshine Audio is an awesome outfit in Singapore, with beyond excellent customer service and they ship worldwide. Check them out: https://www.vinshine.audio/product-page/kinki-studio-x-vinshine-audio-tai-hang

All instances I have experienced the amp was restricted by a power conditioner, even in instances when the power conditioner was made only for the amp and advertised no restriction of the current. They always sound better plugged directly into the wall, Tube or solid state. 

you might want to try a PS Audio Power Regenerator. They see to get good reviews.

How about buying an actual power conditioner that meets actual, stringent standards and specifications?  I dont know what your power requirements are so ill just use a somewhat worst-case scenario and suggest an Ametek Powervar ABC1200-11 or heck, make it the ABC1200-11MED for even higher spec and reliability.   These things are big and heavy.  I have the ABC830-11, and it's also bear to lug around on account of the giant windings inside, paired with physically large film filter capacitors.  I dont have a picture of the guts handy at the moment, but these things mean business, and the company sells to industry that has to meet requirements, so they dont try to pull the wool over your eyes with whiz-bang features that dont accomplish anything. 

A power conditioner will do nothing but potentially inject nose into your system. You cannot 'clean' power. It's a fallacy.