Hi Songwriter72,
As an amateur I did build other true first-order crossover two-way speakers that sounded pretty good (though power handling was compromised), but those did not measure "flat" on-axis.
I use a combination of mechanical and electrical roll-off to get a first order transition between some of the drivers in my one commercial offering, though the region of overlap isn't broad enough for me to call it a "true first order" crossover. And I pay more attention to the power response than to the on-axis response.
Duke
As an amateur I did build other true first-order crossover two-way speakers that sounded pretty good (though power handling was compromised), but those did not measure "flat" on-axis.
I use a combination of mechanical and electrical roll-off to get a first order transition between some of the drivers in my one commercial offering, though the region of overlap isn't broad enough for me to call it a "true first order" crossover. And I pay more attention to the power response than to the on-axis response.
Duke