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isobarik-ported or sealed


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customsound79 
Copper - Posts: 65
Copper spacespace
Joined: August 07, 2004
Location: United States
Posted: January 11, 2006 at 10:49 PM / IP Logged  

I'm moving my two 12's from a van to a car trunk that will allow me only 5.5 cubic feet for my box. I've never attempted an isobarik but it sounds tempting and I like the WinISD calculated curve. Most info points to a sealed enclosure, but WinISD will figure for a port. Which is better and is it worth the effort?

Thanks for all of your help! 

stevdart 
Platinum - Posts: 5,816
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member consistently provides reliable informationspace
Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: January 11, 2006 at 11:03 PM / IP Logged  

At first glance that looks WAY big for an isobaric.  The benefit of using isobaric loading is that you can use much less space, less than just one sub would take.  See DYohn's response  HERE.  What 12s do you have?

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
customsound79 
Copper - Posts: 65
Copper spacespace
Joined: August 07, 2004
Location: United States
Posted: January 12, 2006 at 6:35 AM / IP Logged  
Kicker L7's. I would love to replace them one day with higher SQ subs, but they're cheap and effective. Thanks for the link, that was exactly what I wanted to know!
My wife will never understand why, lucky for her!

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