Center and sub DIY. Used two M5N, Beston RT002A Ribbon Tweeter and prefab Dayton Cabinet. The sub enclosure is built from MDF, one 8in Eminence high excursion driver with two 8in passive
Test Bench: Beston Technology RT002A Ribbon Tweeter | audioXpress
Beston RT002A Planar Ribbon Tweeter with Faceplate: Madisound Speaker Components, Inc.