Searching for the most "accurate" speaker (below 15K)


I’m looking for the most accurate and resolving speakers (budget is <= 15K). Paradigm Persona 3F, Kef Reference 3 or Focal Sopra 2 are some of the options I can think of. Any opinions on how these compare? Should I had other options to this shortlist? The amplifier is the (absolutely extraordinary) Nagra Classic AMP.

Thanks! :)
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I have sold the new ML 11-A Speakers and am totally enamored with my new speaker.after hearing these at a friends for around $8k  plus capacitor upgrade which anyone can do with a screwdriver.
where it allowed me to Taylor the voicing via capacitor-1 and resistor-1 and that is it or the Voxativ driver. The                         Pure Audio Project  Loudspeaker with optional 
Voxativ mid-tweeter  and series Leonitus crossover .2-15 inch Neodymium woofers per speaker .are the most sonicly natural and accurate speakers i know of  and efficient 95dbincluding all of the latest models I have heard . Part of the success 
key was in part my choice of Capacitor-bypass capacitors, resistor 
choice.  Realism is paramount . If in the area let me know 
in the Ma- Ct  area for a listen.
Have had a pair of Graham Audio LS 5/9 the last few months, must say these speakers are wonderful, think I will keep these for the rest of my audiofile life.
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