Best 40 to 50k used speakers


What would you consider the absolute best speakers on the used market, budget 40 to 50k max.Open to any suggestions thanks.


128x128thieliste
@audioconnection  Well the only reason i would get back to Thiel CS 3.7s is if i purchased a Gryphon Antileon Evo and CH Precision L1 linestage.This is well within my budget since Thiel CS 3.7s only cost 6k used today.I still think i would get better performance with a much more modern combo like Borresen 03s driven by Audionet Humboldt integrated.
I'm in Europe, and have a Thrax Lyra / Bassus in that price range... Always welcome for a listening session (Antwerp/Belgium) 
An (in the room) amplitude and time corrected ATC 150 asl is very hard to beat.
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