Got 2 Fosgate Power HX2 12's need to build box

[profoundwill 10+ year member]

I have a pair of Rockford Power HX2 12's and I want to build a ported box for them. Anyone with any experience with this sub, as far what tunning frequency, box size and such would be great. I want it to be as much SQL as I can get from these subs. I think I am going to go with a slot port. Any info and suggestions would be great. Thanks.

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[RAM_Designs 5,000+ posts]

What kind of power will you be throwing at them?

 

[09civic 5,000+ posts]

also would help if we knew the space you were working with

 

[profoundwill 10+ year member]

I have a Mmats d100hc, so I'm guessing around 800-1000 watts each

 

[profoundwill 10+ year member]

As far as space I am pretty good, plenty of room, I just need to know cubic feet I can make it work

 

[pro-rabbit 5,000+ posts]

what kind of car/truck are they going in? That could change the firing positions of the subs/port and thus change possibilities of the enclosure itself.

 

[profoundwill 10+ year member]

Going in a 96 impala

 

[pro-rabbit 5,000+ posts]

Going in a 96 impala

Oh, well you can have these in a huge ported enclosure and still have room for a few dead bodies back there.

 

[THATpurpleKUSH 5,000+ posts]

IIRC the manufacturer recomends 2.25 at 38hz for each of those.

 

[profoundwill 10+ year member]

38Hz seems a little high

 

[RAM_Designs 5,000+ posts]

4-4.5ft^3 common chamber with a 33-35hz tuning.

 

[profoundwill 10+ year member]

4-4.5ft^3 common chamber with a 33-35hz tuning.

how much port area

 

[CRXBMPN 5,000+ posts]

i'd do three 4" aeroports with those, personally. 35'ish hz tuning ftw. 4" coil with 4" aero's :-D

 

[RAM_Designs 5,000+ posts]

how much port area

~60in^2 for a slot port.

 

[profoundwill 10+ year member]

~60in^2 for a slot port.

how long