Rules of getting best audio ?
Main one is compatibility between amp and speaker, spend time to understand Stereophile’s bench testing on both these,
As these can bring you to compatibility faster than people here telling you this amps great or that speakers great, but if they’re not great together it’s not compatible.
So take time and read to understand the Stereophile tests and graphs.
And other places that do them like
https://www.soundstagenetwork.com/index.php?option=com_gantry5&view=custom&Itemid=298 click on measurement
http://www.milleraudioresearch.com/avtech/index.html you have to become a member
If every speaker was flat 4 or 8ohm impedance with no -phase angle and 90 to 100db, then just about any amp will be compatible
And forget about $$$$$ voodoo products, like $300 directional mains fuses, etc etc
Cheers George