Marjan:
Thanks. I have tried reversing the polarity on the VHF section only on the coax, and the dip between the HF and VHF got much worse(red)
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Further, - the dip in the 650 Hz range is a bit strange also. When I use the same crossover settings on a DBX drive rack PA+ and a 4 channel powersoft amp, I have no dip at the crossover section. I am using 1.5ms delay on the BMS with the DBX and 1.8ms to get the best possible results on the powersoft dsp.:?: There must be something different with the way they translate the filters.
Jason:
Input to DSP settings would be very much appreciated 
~~:smile:~~:smile:~~:smile:. Do you also have the HE version of the BMS?
You're saying that you have -2.5db on the coax, and is your mid section also 2 x 8 Ohm in parallel?
I get your point about chasing the straight line FR. I tried it and as you I found that it didn't sound good.
In the FR that I have demonstrated in my latest posts I have aimed for smooth HF/VHF with a small rise. The smooth HF/VHF - with no sharp dips or peaks I found was very important. If something goes wrong up there, - Hi-hats, metal etc. start sounding sizzly, shrill.
The dip in the 4.8Khz is also important to make up for.
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