Tekton DI upgraded speakers, Cerious Technologies Graphene Speaker Cables as well as GE interconnects, BAT vk 55se, and last, but not least, I plugged my pre amp into the same outlet as my amp and that made a huge difference in sound as well.
Most satisfying system change in 2017?
What was your most satisfying addition or subtraction for your audio system this year? Looking for changes in gear, set-up, or listening environment. What floated your audio boat in 2017?