Of course I realize the spreadsheet curves are for the acoustical response. But the speaker curve text files are based on the LR mathematics, not Bessel.....Maybe by realizing that the spreadsheet gives curves for the acoustical response and not electrical responses?
Why don’t you just use Bessel filters to achieve the acoustic response?
If I use Electrical Bessel XO and tune to a LR curve, why bother with that, the acoustical will be a LR response. Wouldn't I need Bessel curve files to achieve a Bessel acoustical response?