pragmas: signal processing at speaker level is a WHOLE different animal than at line level.Yes I agree, that's what I said.
Have you seen a proper passive crossoverYes lots
It is NOT a disadvantage for seperate amp for each driverAs long as you don't care how much you spend on equipment
Of course the manufacturer needs to do a good job with activeYes, I think I said that as well.
I get the feeling you didn't like what I said, just can't work out which bit.