Ideal enclosure and port size? DD 9515s - Car Audio Classifieds!
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Old 08-01-2009, 12:46 AM
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Default Ideal enclosure and port size? DD 9515's

I recently got two DD 9515d subs. I looked on the dd site, but they do not show anything for TWO 15s, unless it was in another place and i could not find it. I am just wondering what is the ideal enclosure size for the pair? I want it to hit hard. I listen to rap if that means anything. Im also wondering what i want to to tune it to? Im guessing somewhere between the 30-40 range. Dono exactly where tho.

Any info is appreciated. I dont have the car yet that im going to install this into and keep them in, im just wanting to play with some designing and see how im gona make the box and what not, i do have an idea on what car i might end up getting tho.

Also, how much port area am i going to want for the pair? Im guessing its going to be quite a big port. Around 200 sq inch or is that too big?

Last edited by westman995; 09-18-2009 at 07:38 PM.
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Old 08-05-2009, 02:06 AM
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So anyone?
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Old 08-05-2009, 02:07 AM
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7ft tuned to 35hz 120" of port
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Old 08-05-2009, 02:09 AM
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Quote:
Originally Posted by wenn_du_weinst View Post
7ft tuned to 35hz 120" of port
You vewy wise.

I ask you too.

16 HDC318C D2s in a 4th order

hmm?
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Old 08-05-2009, 02:12 AM
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Quote:
Originally Posted by iamsonic View Post
You vewy wise.

I ask you too.

16 HDC318C D2s in a 4th order

hmm?
YES!

Quote:
Originally Posted by wenn_du_weinst View Post
7ft tuned to 35hz 120" of port
Thanks.
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Old 08-06-2009, 07:22 AM
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They have enclosure specs on the site. Just double what they say.

3.75^ft (3) 10" or (2) 12" or (1) 15" 60.0 sq" vent x 19.5" long
4.00^ft
(3) 10" or (2) 12" or (1) 15" 64.0 sq" vent x 19" long
4.25^ft
(3) 10" or (2) 12" or (1) 15" 68.0 sq" vent x 19" long
4.50^ft (3) 10" or (2) 12" or (1) 15" 72.0 sq" vent x 19" long
4.75^ft
(3) 10" or (2) 12" or (1) 15" 76.0 sq" vent x 18.5" long
5.00^ft
(3) 10" or (2) 12" or (1) 15" or 18" 80.0 sq" vent x 18" long

Last edited by AudioAnonymous; 08-06-2009 at 07:26 AM.
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Old 09-18-2009, 07:37 PM
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So im thinking about this again.. I went out and measured my trunk thinking "Shit, i can NEVER fit two 15's in here"

But, i measured it and it seems do-able. The only thing is fitting the box in the trunk, not gona happen unless i build it inside the trunk, im not totally against that. But witht that being said, i didnt want to cut anytihng up to let air through. If im gona go all out with the two 15's, i want some air to move and get the potential these have and being in a trunk, i need the air to move. Im not sure how im gona get air flow into the car tho. Idea i had was just make my own custom rear deck type thing where i can also mount my amp, since tehre wont be much room for a big amp in the trunk, depending exactly what size the box is. I dont want any amp LED's out in my back window tho, so i just want it in the trunk. just an idea..

Anyways, i measured this:

36" wide
36" deep
16-17" high

That comes out to just under 10 cubes. That sounds big, but im gona be taking up alot of the space with the port, but its prolly still too big. Thats just like my max dimensions, id much rather it not be quite so deep. The other problem with this is i cannot fit a big slot port on the front of the box then, the two subs will fit, but not the port. So i dono where to fit the port..
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