@dman777 Speaker break-in is a real thing. My current pair of speakers sounded heavily distorted out of the box and it took like 50 hours for the distortions to subside and another further 50 hours for the sound balance to settle.
@blancpain1 For French speakers, Cabasse IMO is the fastest and has the most luscious mid and vocal. I auditioned Triangle Duetto, Focal Diablo, Apertura Adamante, and Cabasse Baltics. I ended up with the Baltics. It can handle everything thrown at it, including speed metal.