Ron, your query can't really be answered since your ears are different from everyone else. Only a demo at your home can answer your question.
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My experience suggests you’ll end up with a big loss of midbass body and grunt, possibly some bass extension in the lowest octave as well. Of course this largely depends on the quality of the specific amps in question. Generally though, I find class D sounds 50% as powerful as an AB amp of similar specs. Not sure why that is but it’s a pattern I’ve noticed whether it’s a stereo or sub amp.
If your wallet allows, the class AB Benchmark AHB2 is just as efficient without the sonic pitfalls of most class D. Also sounds excellent judged on its own.
The Vidal is class A/B like others have mentioned,
that is the first thing I thought.
Plenty of decent Class D amps out there though,
PS Audio - Peachtree - Wyred for Sound etc.
Lots of online dealers give you a 60 Day at home demo period.
Give one a try. Crutchfield or Music Direct are both such dealers.