Eminence Omega pro 18" --cant find box volume


Hello- I need some serious help- I've been trying for days to tune a box for an Omega pro (Eminence) 18" driver- I need it to go down to at least 38hz -3db up to say 300Hz, its for bass guitar. I cant seem to design anything below 58hz -3db and thats with a 2.253ft^3 enclosure tuned to 47.63 hz. Everything I try puts a hell of a spike at 58 hz and a 1.2db dip at 100hz. Its getting frustrating. Any help would be extremely appreciated. Thank you so much- have a great day
Mikeyboi


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