Lonewolf, it has been awhile since listening to a pair of KMA 100's that I onced owned (my last ss system). They were mated to an ARC SP10 and an SP11 driving Magnapan III's and Quad's. These speakers were of different topology then the speakers you mention so my findings may not be the same or even close to yours, but here goes.
I owned those amps back in the late 80's and I felt that those amps were very forward, bright, aggressive, fatiguing, you get the point. I changed preamps and speakers trying to calm them down with no success. The one thing I overlooked was the internconnects and speaker cables. A friend of mine has a KSA 100 mkII that he uses to drive BMW speakers (about 10 years old) that sound quite nice, very detailed, not bright, very tight base (only a Krell can do) mid-range is good, non fatiguing. He uses the "Audioquest" line, both for interconnects and speaker cables. I was so impressed I tried them on my tube based system and ended up selling my total Nordost interconnect and speaker cable system and buying Audioquest.
You didn't mention how much you wanted to spend but they have cables from relatively low priced to very expensive. Good luck with your search, as you will be reminded by other responses this whole hearing thing is so subjective try and audition as many different brands of cables on your system as possible, good luck in your search........Bob