I have the 611 mono amps and found the 4 ohm tap was best with my B&W 802D3’s..
McIntosh MC611 (terminal 2, 4, or 8 ohms)to B&W 800d3's
I would like to know when connecting from B&W 800d3 speakers to McIntosh MC611 mono-blocks which (2, 4, or 8 ohms terminal) should I use for best results?