Thank you mate. Really. Yes for absorber I meant front (behind monitors) and Back (behind listening point). -> also meant them as mobile bass absorber unit when you have to track your vocals. Thank you really for summarizing. Really helpfull. Than would be nice to add: - good woods for the frames. - good sheets for the "design". ->adding opinion if you whant to isolate rockwool with cellophane/kraft paper or just live it as they came. Then we are done! ps: excuse me. Are you sure that super chunck and Mega Corner Bass trap are the same stuff we are talking about? I link you an example on what I meant with corner bass traps -> here -> just consider only the design and keep out his materials/density/etc for now.