got jacked!! new 8s or 12s HELP!

[Bggd_GMC 10+ year member]

well yeah im sure the sale is going to end by the time i get the 2nd sub so whats the regular price tag on those, gotcha

 

[LosIsATool 5,000+ posts]

How about spending that $300 on a alarm so good gear dont get jacked next time.

 

[Bggd_GMC 10+ year member]

How about spending that $300 on a alarm so good gear dont get jacked next time.

truck stays in the garage, i just left it out for about a week and thats when they got me

 

[Bggd_GMC 10+ year member]

ok now im going to run nothing but sundown nothing else so dont say i dont want to get my head all mixed up with countless subs.... i was looking in my truck and here is what i can do.... 2 8s in a ported box behind the seat and 1 8 in a custom center console (ported of course) or 2 12 ported behind my seat... so now the decision begins!!

 

[Bggd_GMC 10+ year member]

after a few days of thinking and what not i decided to get 2 SA-12, i am also going to do a cut through with the little space i have (due to air ride suspension) so now my main concern is the inside of the box..... never built a ported box only sealed so ima need some help!

 

[brandinooooo 10+ year member]

Don't know if it was said already but DCONs are pretty cheap and are well worth the money.

 

[Bggd_GMC 10+ year member]

here is what i came up with.... 15in H, 13in D, 53in W..... 1/2 Gross 5.06 C.F, 3/4 Gross 4.63 C.F...... it says i need 1.75 C.F for each sub.... will what i came up with work? like i said i never built a ported box before... Thanks!

 

[Bggd_GMC 10+ year member]

Don't know if it was said already but DCONs are pretty cheap and are well worth the money.

i seen em but never looked into them, there like 30 bucks cheaper then the sundowns

 

[The_Grimy_One 10+ year member]

here is what i came up with.... 15in H, 13in D, 53in W..... 1/2 Gross 5.06 C.F, 3/4 Gross 4.63 C.F...... it says i need 1.75 C.F for each sub.... will what i came up with work? like i said i never built a ported box before... Thanks!

That should work, may be just a little on the small side. You gotta consider bracing displacement, port displacement, as well as sub displacement, but I think you could squeeze it.

 

[Bggd_GMC 10+ year member]

yeah so im sort of aiming on using 1/2 wood so i can have a little extra for the port, sub, and bracing

 

[The_Grimy_One 10+ year member]

yeah so im sort of aiming on using 1/2 wood so i can have a little extra for the port, sub, and bracing

I for sure wouldnt do that. Just let it be a little on the small side. Power, polyfill, and tuning will deal help tweak the box, but building it out of 1/2" just isn't too smart. stick with 3/4" for sure!

 

[Bggd_GMC 10+ year member]

ok thanks now ill start with 3/4! now this whole tuning thing it says i need 30hz i came out with 32hz but the port is 1.5in wide.... does that soind right?

 

[Bggd_GMC 10+ year member]

another question i had about the whole 1/2 3/4 wood.... since it is a cut through i was going to spray some rhino liner or something so the box wont get wet..... if i were to go with 1/2 would the rhino liner make it more stronger?

 

[The_Grimy_One 10+ year member]

ok thanks now ill start with 3/4! now this whole tuning thing it says i need 30hz i came out with 32hz but the port is 1.5in wide.... does that soind right?

Good stuff...

And if I am not mistaken, you want 12 square inches of port for every cubic feet the box is. So, that would be on the very small side. Since your box is 15" tall, the port height will actually be 13.5", times that by 4" and you should be good... And tuning is very subjective. If you really want it to be more loud, tune to around 35 or 36. I personally like to tune lower, more around 30, but I am not looking to be super loud, I like the deep, low bass. A good thing is, though, is the higher your tune, the less box the port uses.

 

[Bggd_GMC 10+ year member]

Good stuff...And if I am not mistaken, you want 12 square inches of port for every cubic feet the box is. So, that would be on the very small side. Since your box is 15" tall, the port height will actually be 13.5", times that by 4" and you should be good... And tuning is very subjective. If you really want it to be more loud, tune to around 35 or 36. I personally like to tune lower, more around 30, but I am not looking to be super loud, I like the deep, low bass. A good thing is, though, is the higher your tune, the less box the port uses.

Ok thanks! now i have a pretty good idea on what to do, i do want to be loud so i will take your advice and tune it around 35-36.....Thanks!!