Mentioned Audio Note at quick first glance. Like Sonus Faber to replace it, first to pop in mind.
It’s still kinda pointless to make top 10 of highend since there probably are speakers and brands none of us know and could easily be nro 1.
Everyone would have different one and in different order.
Since it is brand question.
Where are the other numerous highend brands that are world known and still missing? 