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Old 02-28-2014, 01:08 AM
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got my new IA li12 yesterday now if only I could get a good amp and a design for a single 12 for it <..>
 
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Old 02-28-2014, 06:11 AM
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If it's a design you want, all you gotta do is ask.

Post up the maximum dimensions again and I'll get ya something drawn up.


BTW, CONGRATULATIONS on the new sub!!
 
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Old 02-28-2014, 01:06 PM
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http://showtimecaraudio.net/shop/bar...n-box-special/


://www.onlinecarstereo.com/CarAu...RUB11600D.aspx

<a href="http://www.sonicelectronix.com/item_23547_Hifonics-Brutus-BRZ1700.1D.html" target="_blank">http://www.sonicelectronix.com/item_...RZ1700.1D.html

<a href="http://www.sonicelectronix.com/item_74623_Hifonics-Brutus-BRX1200.1D.html" target="_blank">http://www.sonicelectronix.com/item_...RX1200.1D.html




which one?
 
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Old 02-28-2014, 01:11 PM
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and the max demi was 33w 17tall 12 deep but can be up to 20 deep if it can be shortend from 33, the box I have in there is a PITA to get in, its 33w 16.5t 20d so it needs to be smaller then that. with what I read in the IA manual for the LI series its gonna need to be a total of 3cubes before diplacment.
 
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Old 03-03-2014, 11:36 AM
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The IA recommended enclosure size according to their list in their section on SSA is from 1.75 to 3cuft and 2.5cuft as optimal. It's a little older listing and I have an email out to IA about what they recommend now and if it's the same.

It looks to me like 2.5 would still be pretty optimal for the sub and with a little work modeling things I designed this enclosure to 2.6cuft NET. It's tuned to 32hz and has a little over 40sqin of port area. It should be a rockin box. Here's a simple drawing showing the dimensions on the individual panels and the cut sheet. Let me know if you need anything else for this.



 
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Old 03-03-2014, 12:17 PM
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I have the sheet that says the suggested parameters. and a lot of people are saying that sub trunk port side would sound the best. ????
 

Last edited by Steve-o; 03-03-2014 at 12:34 PM.
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Old 03-03-2014, 12:26 PM
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Yep, and here's the email from IA I got a little over an hour ago.

IA Tricia Wood [email protected]
12:03 PM (1 hour ago)

to me
Shannon,

Here are the recommended ported box specs for a 12” driver: 1.5 to 3 cubes per driver ported –12 to 16 inches of port per cube - 20 to 40 inches of port. Most common 2 to 2.5 cubes at 25 to 35 inches. Tuning 32-37 Hz

Let me know if you have any other questions.

Thanks,
Tricia


The 2.6 will be great. I modeled the sub in everything from 1.75 to 3 and nothing audible is gained from running it in anything larger than that. Not to mention that this design will fit better, it's shorter and narrower than your previous enclosure.

I guess it would help to post the exact external dimensions: 30" W x 20" D x 14" H
 

Last edited by altoncustomtech; 03-03-2014 at 12:31 PM.
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Old 03-03-2014, 12:46 PM
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guess its time to see how much the shop would charge if I already have a design, because I want it all prettied up because this is the final box to go in, I don't want a huge system in my grand prix but I want it to rock your socks off (single sub setups ) just go to decide which amp I want to pull the trigger on :/
 
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Old 03-03-2014, 01:14 PM
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I can't help with the shop, but on the amp you should just get whichever one you can find the best deal on. With all the amps on the market and so many that share the same internals it's really hard to find any advantage of one over another until you get into the big price brands. At the budget you're looking at that's not an issue.

The PPI gets my vote out of the three you were considering. It's a powerful, clean and efficient amp that easily fits the budget.
 
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Old 03-03-2014, 01:30 PM
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I would just get another q1200 but I found out its only 84% Efficient
 

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