The best speaker you ever heard?

I don't know if it was the room, the source material, or the associated equipment, but I was once absolutely captivated by Meadowlark Blue Heron's and wished I could afford a pair at the time. I recall I was listening to Stevie Ray Vaughans / Tin Pan Alley via a Wilson Benesch Full Circle and VTL 5.5 Preamp. That cut is a classic if ever there was one.
I never did like Meadowlark's updated cabinet design. I wonder if that was part of their undoing.

HQD, the hartley-quad decca set-up Mark Levinson put together, many years ago at Lyric in New York.

B&W Nautilus (snail).

Yes,I heard the HQD at Lyric,and at a lucky friend's home,back then!Superb,BUT....

Though some may question my taste,or opinion,this weekend I had the GREAT pleasure of hearing a "highly modded" and tuned to the "N'th" degree set up which consisted of modded Infinity RS-1b's,CJ ART,Lyra Titan-i,etc componentry...

The subject of "BEST" must be in context of room/system/owner's skills.

This system was absolutely amazing,and we played incredible LP's ranging from string quartets to orchestral,to jazz.

You name it,"this" set-up did it,to the maxx!!

This system belongs to the GREAT SID MARKS,of TAS fame!!

A "classic gentleman",and connoseur of great music/sound,on the "best" lp's!!...

The guy IS a legend,and has proven it on countless times,but......I was unprepared for this level of improvement in his always superb/full range/dynamic set-up!!

AMAZING,and I was lucky to experience it!!!

Best to all!

Definetly my own DIY`s ;P