Technical assistance and recommendations needed

Hey thanks guys in short your collective recommendations are spot on audiophile that is sell  the system and start over. Seriously I appreciate your feedback it has given me direction. I'll upgrade cables if that's not the solution,  I'll move the integrated. I like that "Due" tube and ss combo powered sweetness sadly a bit out of my reach$ and a bit to quirky with the controls per review. I like the Cantons for what they bring to my near field listening just need to be a bit warmer,the EQ does not seem to do it. kenjit that what I've come to understand about class D a little light,so your saying I can't make a silver purse out of a sows ear. To paraphrase  form the Treasures of the Sierra Madre; Speaker tuner,I don't have no speaker tuner, I don't need no speaker tuner,I don't have to use no stinkin speaker tuner.

My prior system was all Adcom cd,pre/tuner,amp, driving Snell C2s after some decades I figured I try an integrated and stand mounted.In all respects the current system is better except for the smother(rolled off) sound of the big Snells. The tube systems I've heard (few and far between) were to me a bit unnaturally smooth,but not AR,thats  great gear and  I will keep my eye out for it used. Thanks again 

As said Canton’s are bright. You have a nice system it’s a shame you went with those speakers. I use Dynaudio with my Pass integrated and that combo has a lush meaty midrange. Not one iota of harness. As suggested try some cardas cabling, or if you can find some used Harmonic tech cables. Those are the cables I use mostly. 

If you add bass traps in the corners and absorption panels on both the front and back walls it will tame the highs. Carpets and furniture are fine but placement is key. Everything you want to achieve can be done with room treatments, equipment changes are a crap shoot (and you can sure lose money the same way).

I forgot to mention married guy sooo room full of hanging and standing plants in the corners so they're my bass traps, also drapes behind the gear covering windows. it is a very well damped room.

The speakers are 8 feet apart and 8 ft from sitting position and  5 ft from side walls. 2 ft out from back wall but back side of speak only about 12 inches or so from back wall, consequently DOF not great but imaging is very good as good as recorded. It just needs a touch more tenor tone( a bit more body to the sound) for lack of a better word. Don't get me wrong it sounds very good on axis. 

 a bit more body to the sound

So with the WAF we will forget about adding diffusors on the side walls or the ceiling. I found the Add-Powr products unlike other power or cable related upgrades in that they add more harmonics and decrease the noise floor. Noise you didn't even know existed but recognize once its gone. You can check it out here:

https://add-powr.com/technology