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  #1  
Old 08-10-2015, 10:10 PM
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Default Opinions on a 4th order

Your guys opinions on a lil bandpass action here. My cars trunk is huge, I bet I could build a 12 cube box in there if I wanted to (02 Chrysler Concrete), but that defeats the whole purpose of me buying this big ass car, so I would have room for me and my daughter to travel.

Anyways down to it, the rear seat is leather, doesn't fold down, there is a steel enclosure for the rear deck speakers that hangs down about 4" from the rear deck itself. So I'm limited to 14h 38w and 20d I'm willing to give up. Gives me 6.16 gross outside volume, I was thinking 2 10s 1 cube sealed, 3 ported, I can go a little bigger on the depth, 2 10s work the best? Bump it up to 1.5 sealed 4.5 ported? My armrest is 8w 8.5h. Opinions?

edit- also opinions on both subs in a common sealed chamber firing forward into a common ported or 1 sub in their own sealed chamber firing into a center common ported.

I haven't bought subs yet, I will be buying matching motors then building the subs, 4th order friendly of course, and I'll have 2-3k, 3k being the most.
Thanks everyone in advance! Lots of knowledgeable people here.

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Last edited by skinnyg; 08-10-2015 at 10:14 PM.
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Old 08-10-2015, 10:17 PM
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Or what about 1 sealed 4 ported, or is that enough for 12s? Or would 10s be better in a larger box than 12s in a smallish box?

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Old 08-10-2015, 10:19 PM
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Won't let me edit

Not sure if I can fit 12s vertically, I would have to angle the baffle

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Old 08-10-2015, 11:03 PM
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i say 2 10s with the space you have available. im in the same boat i want to use 2 Sundown X 12s in a 4th order and ive been playing around designing the enclosure in sketch up and the box is huge its bout 16h 35w 30d lol and its only bout 2 cubes sealed 4.5 ported so bout 2.5:1
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Old 08-11-2015, 06:51 PM
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Damn that seems big on the sealed side, but i guess you have some tsp to go off of, I dont, yet. I plan to pull them with a wt3 after i get the subs, of course they will have 4th friendly softies, what that consists of is beyond my knowledge. But that does make me feel a lil better, I was guessing with the space I have 2 10s will work the best. I can go way deeper like 40 but I dont want to build it in car first of all, I dont want to cover up my spare, and I want my room! Thats why I sold my 18 I had in the last car.

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Old 08-11-2015, 06:53 PM
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Quote:
Originally Posted by skinnyg View Post
Damn that seems big on the sealed side, but i guess you have some tsp to go off of, I dont, yet. I plan to pull them with a wt3 after i get the subs, of course they will have 4th friendly softies, what that consists of is beyond my knowledge. But that does make me feel a lil better, I was guessing with the space I have 2 10s will work the best. I can go way deeper like 40 but I dont want to build it in car first of all, I dont want to cover up my spare, and I want my room! Thats why I sold my 18 I had in the last car.

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Edit- my bad, i see you have 12s, not 10s, seems about right

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Old 08-11-2015, 07:10 PM
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Spend the money on some x10's or build with sundown 10 baskets and cones they are a little larger than standard 10's around 11in and should still fit inside your box.
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Old 08-11-2015, 07:19 PM
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Quote:
Originally Posted by skinnyg View Post
Edit- my bad, i see you have 12s, not 10s, seems about right

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yea but modeling up the box in bbp6 i get a big peak at tuning but ive heardd thats just reference point response will change in car with cabin gain etc

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Spend the money on some x10's or build with sundown 10 baskets and cones they are a little larger than standard 10's around 11in and should still fit inside your box.
this or one x12 should get nasty
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Old 08-12-2015, 11:28 AM
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Was thinking 1 15 actually, but Im limited to 14"h underneath my rear deck
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