Aside from a Geoff K DIY cement open baffle one needs a with a proper amp and XO = $$$$- $$$$$
My 2 SVS 12' subs (Ultra and Plus) suck primarily because the volume control comes on at full blast when barely opened from zero. Impossible to blend, making the built in XO adjustments moot. I thought to remove the cabinet and do open baffle DIY, but...
In the meantime, Emerald Physics has several open baffle speakers with double 15" carbon fiber woofers. I am awaiting arrival of 2.8s before doing anything with the SVSs
My 2 SVS 12' subs (Ultra and Plus) suck primarily because the volume control comes on at full blast when barely opened from zero. Impossible to blend, making the built in XO adjustments moot. I thought to remove the cabinet and do open baffle DIY, but...
In the meantime, Emerald Physics has several open baffle speakers with double 15" carbon fiber woofers. I am awaiting arrival of 2.8s before doing anything with the SVSs