Recent content by pjanecke

Thx - I tried a 50ms delay FIR and all I got was an echoed hi end. I tried moving the midbass speakers closer - no change. Finally I tried using a REW measurement sweep file stored in Roon just like my music is. The 50ms GD delay disappeared! Prevously I was routing the measurecent sweep from...

Can the GD be reduced using all pass filters? If not, is the only way to reduce xover order and or 3way instead of 4way?

My drivers are open baffle 4 way with 4th order LR xovers. I’m using IIR filters in FIR files and the frequency response is nearly flat. Crossover points are 150, 500, 1800. I haven’t done any allpass or linear filters to flatten phase. Audibly it sounds great but the GD has me baffled (no...