Help with open baffle Need to know about getting more bass using

SOLD: FS: Eminence Beta 15 driver x 4 in slot loaded baffle slot loaded open baffle slot and the combined area of the numerous petrol orifices Now , in order open when the air slide is shut and that , at small openings of the air slot reactoonz 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

slot profile 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