I was myself brought up with my brother, whose name was Matthias, for he was my own brother, by both father and mother; and I made mighty proficiency in the improvements of my learning, and appeared to have both a great memory and understanding.
With bass, especially bottom end, the vibration has to happen on stage otherwise the feel is wrong. This is why you can't scale the equipment down too far.
During the work, you have to be sure that you haven't left any holes, that you've captured everything, because afterwards it will be too late.