Diy with hypex fusion amps, purifi speakers, and raal ribbon tweeters.

Haha don't get me going. Its another 3 year long rabbit hole.

Here is frequency curve and istortion measured outside and in listening position.

Here is a thread about the setup in norwegian. https://www.hifisentralen.no/forumet/threads/studio-m%C3%A5lnes.108213/