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  #1  
Old 01-09-2009, 04:39 PM
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Default SPY's 2 12" Isobaric build

OK, I finaly decided to build an isobaric enclosure for my 2 12" LMS-4000's

It should be finnished about this time next week, I hope

The main chamber is 1.5 ft^3 and the 2nd chamber should put the motor of the 2nd sub just out of range of the 1st sub at full xmax





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  #2  
Old 01-09-2009, 04:40 PM
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what makes it isobaric?
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Old 01-09-2009, 04:42 PM
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you will understand once I get more done.
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Old 01-09-2009, 04:52 PM
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sex....
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Old 01-09-2009, 04:53 PM
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is it ported rear chamber and ported front chamber..sealed rear ported front, vice versa? or none of it at all


is isobaric like bandpass?
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Old 01-09-2009, 04:55 PM
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It's 2 sealed chambers.

The sub in the first chamber fires into the 2nd chamber, the sub in the 2nd chamber fires out.
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Old 01-09-2009, 05:07 PM
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Quote:
Originally Posted by SPY View Post
It's 2 sealed chambers.

The sub in the first chamber fires into the 2nd chamber, the sub in the 2nd chamber fires out.
confusing..i guess i will figure it out when you build it.
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Old 01-09-2009, 05:12 PM
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Isobaric's are, well, different...

Any particular reason you decided isobaric? Just something to try? I'm really curious how it turns out!


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Old 01-09-2009, 05:19 PM
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Why are you building and isobaric enclosure? Back in the day they were a little more common when subs had lower power handling and lower motor force. They aren't necessary anymore with higher power handling.

Don't take me the wrong way, just wondering your want is for this type enclosure.
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Old 01-09-2009, 06:01 PM
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I decided on the isobaric setup due to space issues and because I've wanted to try one since I saw my first one about 12yrs ago.

TC lists the sealed box requirements for the 12" LMS-4000's at 3.0 each, I could have run one in the space I wanted to use but I really wanted to run both. There was no way I could fit 6.0 + displacement in my car so I decided it was the perfect opportunity to give it a try.

If I don't like it I'll just build a different box for one of my other subs, hell even if I do like it I'll still build something else just because I like to try new stuff.
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