In a nutshell designers have been struggling with this for years. ATC are recognized for combining BOTH dynamic range and high performance. I agree Wilson or Maggies don't do both.
See article
In particular "The idea for the soft dome goes back to my days as a young engineer and student trying to find a solution to the problem of combining high performance and large dynamic range. At the time, Britain was well known for producing loudspeakers of excellent acoustic performance but with limited dynamic range (Quad ESL63, Rogers LS3-5A etc.) and the US for loudspeakers that would play very loud but at the expense of acoustic performance"
See article
In particular "The idea for the soft dome goes back to my days as a young engineer and student trying to find a solution to the problem of combining high performance and large dynamic range. At the time, Britain was well known for producing loudspeakers of excellent acoustic performance but with limited dynamic range (Quad ESL63, Rogers LS3-5A etc.) and the US for loudspeakers that would play very loud but at the expense of acoustic performance"