switching from 1 dd9518g to 2 hdc318's

[thegr8cody 10+ year member]

as of right now i have a dd 9518g being pushed off a hifonics 2000 and it gets down real good and im very pleased but im wanting more so im wanting to run 2 hdc318's off the hifonics 2000 for right now till ican afford a better amp. like the aq3500. i have 13 cubes before subs bracing and port so i'd be lookin at about 5 cubes a piece anybody ever ran the 18's in that small of a box right now my dd is in 6.5 with 100si port so with the aq's im looking at about 5 cubic ft with 150 si port

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[spencer321 10+ year member]

thats not really too small, it would be nice in a little bigger... i don't know what your budget is like but nightshade 18's love smaller boxes

 

[thegr8cody 10+ year member]

budget is pretty small or else i'd buy another 9518 lol