@lemonhaze My good will stands but it sounds like you know more about upgrading crossovers than I do. My component choices were educated guesses based on manufacturer reputations, online reviews, and respected opininions of a good friend.
I have them both built and plan to cut out the walnut box and maybe get it glued together today.
https://photos.app.goo.gl/drhDHtD7pZ5cbQf39