Nice write up Erik. I only have an older pair from when they were called JM Labs, a pair of Tantal 509s and yes, the tweeter is very bright and sometimes fatiguing. They are in a 3rd system so no biggie.
New blog post: Living with Focal Speakers
We've had a number of questions come up so I've put all my thoughts in one place:
https://inatinear.blogspot.com/2023/11/buying-and-living-with-focal-speakers.html