I was mistaken, it was rows J and K that I linked to suppress noise. The link is made on the far left in column C. The attack issue I was hearing is what I believe to be the advertised touch sensitivity. By hitting the strings more gently the the attack seems faster while heavy single notes swell.
Anyway that's what works for me. I plan to get started on the octave drone next
Give a man a match and he'll be warm for a day.
Set a man on fire and he'll be warm for the rest of his life.