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2) I do not think that you will be able to time-alight the upper bass channel but you need to wave-align them. Make sure that upper bass and MF tit the top of the wave at the same time. the will be at the different periods and you will have same comb desertion but you will have still better result than if MF and upperbass channels cancel each other.
4) Use horn winders. It looks like you have 5-6 feet on right and left that might be used. With setups like this and in the room like this you might be able to get not 30 degree angle but rather 60-70 degree angle between you and two speakers.
6) Make experiment with alignment of bass channel with upperbass vs. the alignment with MF. You might also try the “step alignment” (For instance upperbass is 3mS behind and bass is another 3mS behind) . It creates a “wavy delay” – sounds nice in some cases with bass. The Cat |