Box for 2 18 inch audioque hdc3s

[Joe562MMA 10+ year member]

anyone have any box plans they would like to share lol..

im looking to get a custom box built for 2 of these subs but im not sure what i should do as far as cubic feet an tuning..

i have an astro van so the space isn't really an issue

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[double 07 10+ year member]

You may want to hit up PRO-RABBIT on that one.....He knows those subs well and he can send you a Pre-cut enclosure to put those puppies in because that is going to be a big azz box!!!!! lol.........Good luck that will be LOUD for sure

 

[raptor727 10+ year member]

I built a box for one 6cuft after displacements 74" of port area 4" wide port tuned at 32hrtz seems to work well for my one

 

[mlstrass 5,000+ posts]

how much power, what are the goals for your set up?

 

[Joe562MMA 10+ year member]

my goal is as deep an crazy loud i can get dosent have to be a db monster but im sure itl get there someday as of today i have one sundown saz 2500d, 235 amp alternator 1 yellow top in front 2 ups 370fr c&d batts in back an gonna sell my sundown an buy either sundown 4500. or skar 4500.1

also 2 runs of 1/0 welding wire an too direct runs of ground.

stinger roadkill sound deadnr coming in the mail..

 

[mlstrass 5,000+ posts]

12cubes net, 192^2 port area, tune around 35Hz. Should be a nice daily box off that power.

If you plan to meter it now and then you can do 20^2 port per cube and tune higher, then use a port reducer for daily....