Hi, I was attracted to this thread by the initial design.
As I built floorstanders with cardioid bass myself, I am wondering why you focus on cardioid in the midrange.
Does it really have a noticible effect on FR and soundstage?
Did you listen and measure with the lateral vents closed?
It's mainly beyond the baffle step, so having already a certain directivity by the cabinet design. Below, there is only boundary coupling of the rear-firing woofers with the Saranna whereas a real cardioid bass might help. Talking about the initial design with two front-firing woofers, I get almost the same soundstage as from a freestanding speaker with a third woofer at the back that is inverted and bandpassed when the speakers are positionned close to a rear wall.
Sorry if I missed something already noted here.
By the way, the subbass rolloff is impressive.
As I built floorstanders with cardioid bass myself, I am wondering why you focus on cardioid in the midrange.
Does it really have a noticible effect on FR and soundstage?
Did you listen and measure with the lateral vents closed?
It's mainly beyond the baffle step, so having already a certain directivity by the cabinet design. Below, there is only boundary coupling of the rear-firing woofers with the Saranna whereas a real cardioid bass might help. Talking about the initial design with two front-firing woofers, I get almost the same soundstage as from a freestanding speaker with a third woofer at the back that is inverted and bandpassed when the speakers are positionned close to a rear wall.
Sorry if I missed something already noted here.
By the way, the subbass rolloff is impressive.