Combining speakers of different types for the same coverage area makes for bad sound.  I see bands and venues using different types of mains to cover the same audience area.  The result is highs that are fatiguing to the ear and never seem to sit right despite the amount of DSP and EQ applied.  To Fix this – Pick the best set of speakers, unplug the other set, and turn your mains up 3db at the mixer and now you have something you can work with…