Well, he definitely found that in the H539 and H1212 to a large degree. No disagreement there. Though, I wonder what a set of beryllium tweeters would sound like in the 5k's? Added air and bite to brass instruments, or total brackish nonsense?

Living Room: TV-->Sonos Arc with Symfonisk rears and twin Sonos subs. Also, a set of DSP8000SE with a MiniDSP SHD for stereo listening.
Listening Room 1: G65, DSP7000SE, DSP3300, DSP3200
Roon Core: NUC7i7