Nope it's pretty much other way around. Future more AB (Sunken transistor pairs) class Yamahas aren't really made for lo impedance loads so even RN803 has a 4 Ohm's back switch (which really is more of a gimmick) and dumping factor of 256 or more I wouldn't advise to go with anything that deeps under 4 Ohm's with it.
Don't make a 2.5 way speakers!
If you insist on making (three way) speakers your self see how those suits you:
This is a review and detailed measurements of the Selah Integrity DIY Speaker Kit. @Selah Audio designed this kit in memory of DIY designer, Jeff Bagby, who sadly passed away due to Covid-19. The Kit was kindly built by @Rick Sykora. Meniscus Audio will be selling the kit and a portion of the...
www.audiosciencereview.com
If not take a look at ELAC DBR62.