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  #1  
Old 08-27-2004, 02:08 PM
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Do I need to port a 10" sub

I have a 04 X2 and I am installing a 10" sub under the driver console. There is a cut out for the sub and I noticed there is another cut out for a port. Is it necessary to port the 10. Thanks.
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Old 08-27-2004, 02:11 PM
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santacruzx2

Didn't you X2 come stock with a 10" sub?
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Old 08-27-2004, 02:12 PM
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No, the 10 hole and port was pre-cut but covered with carpet
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Old 08-27-2004, 02:27 PM
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I believe the port you are referring to is for a heater duct. Make sure you put the sub in a sealed box. I replace the Clarion free sub on my 205v and 209.....Good Luck.
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Old 08-27-2004, 02:34 PM
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sealed for better sound

Quote:
Originally Posted by 35th_197
Make sure you put the sub in a sealed box.
right on.... if you don't put the speaker in a sealed box then you will lose the bass. I replaced all of my speakers and just have one JL 12. This gave the ablity to use the boat speakers for highs and the sub for lows. Screaming sound.

Also I would install a volume control for the bass. So you don't have to adjust the head unit so much. Good Luck.
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Old 08-27-2004, 02:35 PM
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Quote:
Originally Posted by santacruzx2
I am installing a 10" sub under the driver console.
Will make Cd player skip....might consider under pass seat...
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Old 08-27-2004, 04:07 PM
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You could use a "free air" or "infinite baffle" design if you did not want to go to the trouble of installing a sealed enclosure.

If you wanted more bang for the buck, use a sealed enclosure but mount it behind the kick panel with the speaker aimed at the walk thru. Mount it so that you have 6"-10" between the woofer cone and the walk thru. Yes, I know you'll never see it but you will hear and feel it.

Also if you use an enclosure make sure it is water proof or that you water proof the material (i.e. resign coat it).
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Old 08-28-2004, 12:33 AM
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My Clarion disk changer doesn't skip unless it's a really hard BUMP.
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  #9  
Old 08-28-2004, 11:00 AM
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santacruz- woofers are designed for specific purposes. Some need to be ported, some need to be in a sealed box, some infinite baffle. If you use a woofer made for a sealed box in a ported box, it's gonna sound like crap. It will also handle very little power. Most woofers come with a spec sheet and these characteristics will determine how it should be mounted.

If you want to make it easy, get the "free air" type. If you want to have good, punchy, tight bass, use a woofer made for a small sealed box. JL, Kicker Solobaric and some others work well for this. If you want loud bass and aren't as concerned with how tight and controlled it is, go vented, but the box needs to be larger in a lot of cases in order for the vent to fit without the end being too close to the inside of the box.

There's probably a car audio shop in your area that has software for box design with hundreds of different woofers' data in their database. This software lets them design a box and see the approximate frequency response curve and power handling capability based on the size of the box.
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