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02-03-2006, 09:23 PM
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#1
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Low Bitrate
Join Date: Mar 2005
Posts: 103
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Kicker 10" Free Air's - question about box/no box
Hey, I have some old Kicker 10" freeair10's. Two, to be exact. I want to know if they need a box in order to pump out bass. They are in a box right now, they sound decent for 10s, but someone told me that if they are free airs, then they don't even need a box, can just be sitting anywhere and will still deliver the same amount of bass.
I'm doubtful of that, though. So, can someone please clarify?
If not, I guess my only choice is to actually take them out and just sit them on my back seat and see if they are actually the same.
Thanks in advance!
- Jeremy
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02-03-2006, 09:29 PM
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#2
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Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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if subs are designed to be used in a free air environment, they will work best in a free air environment
you can still use them in a sealed box, but it will need to be a HUGE box
with free air subs, the spider is designed to be very stiff to provide the speaker with suspension
that's essentially what a sub box is for, to provide suspension to the speaker
you can't just sit a free air sub out in the open, you have to have a difference between the front and the rear
the technical name for a free air sub is 'Infinate baffle' meaning the baffle (aka: the board the speaker is mounted to) is infinately large (in theory) which eliminates the possibility of the rear wave of the speaker interferring with the front wave. Make sense?
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02-03-2006, 09:31 PM
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#3
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Low Bitrate
Join Date: Mar 2005
Posts: 103
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Ahh, yes.
Perhaps I was a little loose with the word, "box." My "box" is just an MDF box that is partitioned and the speakers face outwords and there are 2.5" port holes on each corner, one for each side.
I didn't mean sealed box, sorry.
Thanks for the reply and info though!
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02-03-2006, 09:54 PM
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#4
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Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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even still - that's probably too small for a set of free air subs
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02-03-2006, 10:09 PM
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#5
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Low Bitrate
Join Date: Mar 2005
Posts: 103
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Really?
That's how they were sold to my step-father.
Then again, he doesn't know much about car audio.
So, what do you reccomend I do (other than get new subs)?
Get rid of the box and make a "wall" behind my rear seats?
Leave them in the box?
The box, I'd say, is about 24 inches in depth.
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02-04-2006, 01:49 AM
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#6
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Maximum Bitrate
Join Date: Apr 2005
Location: Metro Denver
Posts: 622
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Get rid of the box and make a "wall" behind [your] rear seats
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02-04-2006, 08:15 AM
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#7
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Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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If they are free air - you can put them in your rear deck...if you have one.
Otherwise, get new subs
10 year old subs will sound like crap anyways, even if they haven't been used, they will be deteroriated
And, the person who sold you the subs in the box, needs to be shot...that is if they truely are 'free air' subs
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02-04-2006, 04:40 PM
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#8
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Low Bitrate
Join Date: Mar 2005
Posts: 103
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No, my step dad gave them to me. I never bought them. All I bought through my whole setup was the deck.
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02-05-2006, 09:50 AM
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#9
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Low Bitrate
Join Date: Nov 2004
Posts: 58
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You could easily use them by replacing the partion between your trunk/behind the seats using an MDF baffle. I would use fiberglass and dynamat to ensure everything is sealed and fits perfectly.
...or you could do what I did which was mount the IB speakers in your rear deck but if you do that you'll probably have to do some reinforcing and hacking as the sheet metal usually isn't very thick there.
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02-05-2006, 10:01 AM
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#10
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Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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either way - both options are going to require a LOT of work...lots more work than buying a new set of subs and a simple enclosure
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02-05-2006, 10:23 AM
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#11
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Low Bitrate
Join Date: Mar 2005
Posts: 103
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Quote: Originally Posted by Red GTi VR6
either way - both options are going to require a LOT of work...lots more work than buying a new set of subs and a simple enclosure
True, but - the cost of the subs and enclosure are much greater than that of just building something or putting them into the rear deck.
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02-05-2006, 02:23 PM
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#12
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Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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10 year old subs?
I doubt they would last through a day of listening!
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02-05-2006, 02:51 PM
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#13
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Low Bitrate
Join Date: Mar 2005
Posts: 103
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Quote: Originally Posted by Red GTi VR6
10 year old subs?
I doubt they would last through a day of listening!
You'd be surprised. For 10's, they bump pretty decently in my cavalier 
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02-05-2006, 04:06 PM
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#14
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Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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compared to what?
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02-05-2006, 10:13 PM
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#15
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Low Bitrate
Join Date: Mar 2005
Posts: 103
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Quote: Originally Posted by Red GTi VR6
compared to what?
No subs
But really, my dad has always had the best of the best in audio, throughout my whole life he's had a pretty up-to-date and pumping system in any of his vehicles. I believe, for my first subs, free, and a cavalier - they sound pretty good for being 10's.
Granted, they aren't competition standard, but....for free, they work wonderfully.
I bet my gain setting could even be improved and I'd get a bit more thump out of them.
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