Is 2 days long enough to draw final conclusions on the performance of any new cables in a system? The sound will continue changing.
I will say that it's a very good sign that your system started out sounding good with the IC's in place. That's much better than if your system started out sounding bad.
I will say that it's a very good sign that your system started out sounding good with the IC's in place. That's much better than if your system started out sounding bad.