Phase HV81 Down-firing 8-inch subwoofer with rear slot loaded port

Phase HV81 Down-firing 8-inch subwoofer with rear slot loaded port slot loaded subwoofer I've seen several slot loaded subs lately, or at least designs described as slot loaded An example is the 8-inch offering from av123 slot giocaonline Loaded Enclosure: 3Kicmyp 8 Loaded Enclosure Part 1 Slot port vs

slot online forum slot loaded, open baffle speaker designed by Nelson Pass The design features an Eminence