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Installation of a free-air sub

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Old May 5, 2003 | 10:49 AM
  #1  
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Installation of a free-air sub

So a friend of mine just gave me an Infinity Reference 10" free air sub and an Orion HCCA-225 amp (to add to my non-Bose factory stereo).

The sub was made to use the entire trunk as an enclosure and I have already verified it doesn't sound great when mounted in a box.

My question is... has anyone managed to successfully install a free air sub in their Maxima?

My main concerns are vibration on the rear deck (maybe solved with a thin layer of carpet padding under the fiber board?) and getting a good seal at the seats.

I am thinking about a way to cover the plastic ring around the rear seat pass-through opening with plexiglass+weather stripping.

I'm on a real tight budget right now, so "Buy a real sub made for a box" isn't an option at the moment.

Thanks!

-Jacob
Old May 5, 2003 | 10:55 AM
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I used a kicker freeair 8" sub in the stock location for a while. It sounded pretty good actually. I didn't need to do anything in terms of sealing or rattles. In fact, I found that when I put the kicker sub in place of the stock bose sub and tightened it down, that I had virtually no rattles compared to when the bose sub was there.
Old May 5, 2003 | 11:06 AM
  #3  
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Hmm... cool thanks! I guess I will just mount it up somehow (not sure how I'm gonna get the 10" in there... might have to break out the angle-grinder...

Thanks man!
Old May 5, 2003 | 11:13 AM
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Originally posted by MetaOrbit
I used a kicker freeair 8" sub in the stock location for a while. It sounded pretty good actually. I didn't need to do anything in terms of sealing or rattles. In fact, I found that when I put the kicker sub in place of the stock bose sub and tightened it down, that I had virtually no rattles compared to when the bose sub was there.
How does your JL sound now?
Old May 5, 2003 | 04:27 PM
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Originally posted by massvmax2003


How does your JL sound now?
Good.

I think it almost looks better than it sounds...flush mounted, two toned custom box...mmm.
Old May 5, 2003 | 05:03 PM
  #6  
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I dont know... if you wanted to put a sealed 8 and have it clear the trunk tensioners and trunk passthru wall, it would be about this big

the hand is for scale

the box is 15x9x5.5 w/ .5 mdf which yields about 2.8-ish sq ft.

You have about 9.5 inches of clearance between the rods and passthru thing.. I can get you exact dimensions as I'll be under there all weekend. :/ anyway, I'll do a write up when finished. It mounts to factory bose hole.. it bolts up just like the bose plate did (well from the bottom instead of the top).
Old May 5, 2003 | 05:37 PM
  #7  
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Originally posted by TimW
I dont know... if you wanted to put a sealed 8 and have it clear the trunk tensioners and trunk passthru wall, it would be about this big

the hand is for scale

the box is 15x9x5.5 w/ .5 mdf which yields about 2.8-ish sq ft.

You have about 9.5 inches of clearance between the rods and passthru thing.. I can get you exact dimensions as I'll be under there all weekend. :/ anyway, I'll do a write up when finished. It mounts to factory bose hole.. it bolts up just like the bose plate did (well from the bottom instead of the top).
good idea! mmmmm JL's new 8W7 comes immediately to my mind!! Let us know how that works out!
Old May 5, 2003 | 07:10 PM
  #8  
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Re: Installation of a free-air sub

Originally posted by jmartinson
So a friend of mine just gave me an Infinity Reference 10" free air sub and an Orion HCCA-225 amp (to add to my non-Bose factory stereo).

The sub was made to use the entire trunk as an enclosure and I have already verified it doesn't sound great when mounted in a box.

My question is... has anyone managed to successfully install a free air sub in their Maxima?

-Jacob
hey Jacob

I had a 10" kicker freeair mounted in the space that the bose was supposed to go. I mounted it to a piece of MDF for support (with a hole in the middle of the MDF) I didn't have any rattles with my setup.....I decided that the kicker (even though the manufacture says it could be freeair -- it didn't sound so great so I finally broke down and gave up truck space for a small box)



good luck with whatever you decide

nette
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