Originally Posted by Jens Bogren ➡️

It depends, no rules. On Di, sometimes I use only the sub info and/or the very high frequencies (5k+) and blend that into my amp signal. That way, I re-vitalize the bass sound with solid low end, and nice string action in the highs.

If you blend stuff like this, make sure it's in phase. I tend to use the Auto-Align plugin from Sound Radix.