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Old 03-28-2012, 06:04 PM
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Default Slanted aero enclosure design help

So this is my first design and first time I use SketchUp so take it easy on me guys.

I am working on a aero port design for 2 Sundown SD-2's on Sax1200. Reason for slanted design is fairly obvious, I want to keep some of my trunk in my 09 Avalon.

Current specs:







I have been struggling on port on baffle or side. The specs of this box is only going to give maybe 4" of room for port to load off of if I go side port so I am not sure if that is ideal. Current set up (baffle port) is for 15" of port and I will be going 13" internal and 2" external so I can be close to the diameter (6")of the port away from back wall of box. Secondly, I am not even sure if the slant will give any issues if I port on baffle since it's not a traditional rectangular box for it to load off of.

So cliffs:
1. Slanted box design ok for aero?
2. Is port on baffle better than side?
3. Port towards bottom on baffle okay?
3. Are all ideas wack?

Factors: seats don't fold...space is a premium.

Please give advice, constructive criticism, and or ideas.

Thanks.

Last edited by Munkee; 03-28-2012 at 07:04 PM.
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Old 03-28-2012, 06:08 PM
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I can't see the pics so I don't know how much help I'll be, but I like to keep my subs and port(s) at 90* angles, so I'd rather see you do subs up and port side.
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Old 03-28-2012, 07:09 PM
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I thought of that possibility as well. I would have about 6"-8" of room between subs and rear deck if I went subs up...would that be enough room? Also, if I kept size and design the same would that change anything for porting to side, considering there isn't much space to give it room to load off the side?
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Old 03-28-2012, 07:17 PM
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4" of room is enough for the port. It might drop the tune a bit, but that's not necessarily a bad thing.

8" isn't much clearance, but it's way better than rear facing, IMO. And forward facing is hit or miss depending on the car.

And no, the direction of the port isn't going to affect tuning.
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Old 03-28-2012, 07:31 PM
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Quote:
Originally Posted by taylorfade View Post
4" of room is enough for the port. It might drop the tune a bit, but that's not necessarily a bad thing.

8" isn't much clearance, but it's way better than rear facing, IMO. And forward facing is hit or miss depending on the car.

And no, the direction of the port isn't going to affect tuning.
Interesting on dropping tuning...never thought of that. Still learning alot from all of this.

I was shooting for rear facing port and subs but I've seen alot of good results out of subs up port side as well...well from videos and testimonials anyway.

I'll see what I can do to the design for subs up. I'm interested to see if I can keep similar specs for slant to achieve this. Thanks for your input.
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Old 03-29-2012, 02:21 PM
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Working on other designs to choose from...but came up with other questions.

Is there a rule on how close a side port can be to the sub's magnet if I were to go rear fire, side port?

What about exact placement of port in general...should it be a certain distance from bottom of box (any face) or distance from back of the enclosure for side port? I mean I'm assuming you can't secure the end of a lare too close to ends of a panel for integrity issues? Like below...should it be placed higher and away corners/ends?


Last edited by Munkee; 03-29-2012 at 02:29 PM. Reason: added pic
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