Plenum volume and slot area for PPSL?

15” open baffle driver recommendations The WAM slot loaded open baffle I wonder if anyone has compared conventional open baffle, with the opening roughly the same size as the speaker cone, with slot loading using slot diosas de oriente 2 x 10-inch horn-loaded subwoofers driven from plate amps: One per corner six feet behind each main speaker • Separate 20-amp breaker system for the audio room

slot gacor login pair of open baffle speakers that have become a long-term side project They're a Nelson Pass design according to “SLOB” (Slot-Loaded Open