I pretty much always leave it on small for my 80's and 80hz crossover. I've experimented with different crossover settings and setting the 80's to large, but I don't hear that much difference.

Even at small the 80's still go very low because of the slope, it does not just cut off at 80hz.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85