Everyone has the own taste and expectations when it comes to anything audio. Never heard the Mac's but my vote would go to the Sopra's. Not bright IMO compared to the older series. That said I would only listen to others folks opinion but make a purchase based on what I hear and like.
The McIntosh is going to give you the most headphone like experience. If you have limited placement options, or are unable to treat your room acoustically, that will be my vote.
The Sopra and B&W have rather pronounced treble treatment. Would you consider a Magico A3?
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