For most people, their "childhood self" is the easiest way to identify how they naturally are. The profile is designed to be taken from the earliest recollections you have of yourself. The idea is for you to complete the profile considering yourself before you were influenced by outside factors. We want to identify what your personality was before you felt pressure to be a certain way, learned to value some characteristics more than others, etc. For most people, the easiest way to do that is to think of themselves as a child--before they were really aware of their personalities. If you had a difficult time answering from your childhood perspective, we would recommend that you answer thinking of yourself at a time when you've been most comfortable with yourself--when you felt you were being truest to yourself, instead of acting how outside influences wanted you to act. When answering the questions, think about your very most natural, innate, gut instinct--what would you do if nothing from the outside were influencing your decision.
1. Yes. Generally I only advise using EQ to deal with low bass issues (<100Hz) anyway, and to use acoustic treatment to deal frequencies 100Hz and above.
2. Yes that procedure would work. Before you EQ make sure the sub and mains are properly integrated (. time aligned). Step (c) should be more of an adjustment to the sub or mains filters already established in steps (a) and (b) rather than creating all new ones.
3. Good idea. Honestly I did not find the 'auto-EQ' in the Velodyne that great. Better results were had doing things manually 🙂 Unfortunately I don't have a DD to play with, and they are now discontinued so it is unlikely I will be testing one of those.