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Enclosure Discussion & Design Construction Help Have questions about enclosure design neeed some help thoughout your build, ask here.


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  #1  
Old 09-07-2013, 11:44 PM
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Default 4th order for 03 Tahoe

Alright guys ... I want to rebuild to 6 zv4 15's in a 4th with the sealed side on bottom and ported on top ...

This is all in a 2003 Tahoe ... so now I need to know if anyone has experience with this body style and 4ths ... and also if anyone can point to the best designer of 4ths if possible ... I have the tools and skill to build just lack the knowledge of 4ths =(

Thanks ahead of time for any and all help/advice !!!
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Old 09-08-2013, 06:23 PM
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Bumpity bump
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Old 09-09-2013, 12:53 AM
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No one has done much with the zv4 yet to know what they like.

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Old 09-09-2013, 01:41 AM
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might be more efficient in a large ported.
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Old 09-09-2013, 12:09 PM
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If I were going to do this build, I would go with 1.8 cubes net per woofer on the sealed side and probably 20-25 cubes net on the ported side. You'll want to start with about 350 square inches of port. It would be best to tune the ported side without a loading wall at all. You'll want to perform a sine sweep while using a program called the DATS audio system to analyze the sealed resonance of the enclosure. Once you know what your sealed resonance is, then you can tune the ported side to that particular frequency. This is a very generic starting point. There is actually a pretty lengthy 4th order thread on this site that you should study. Lots of really good info in there, but it's definitely a huge thread.

The biggest recommendation is to build a shell in there as big as possible and then shrink the space down as necessary. You can always shrink down, expanding after you've made a goof is a totally different story. Best of luck to you on the build. Let me know if you have any further questions and I'll do my best to help.

Brandon
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Old 09-09-2013, 04:22 PM
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Well ive got the 4 X15's in a ported c pillar wall as of now and its pretty legit ... Only reason I didnt go strait into the 4th/ZV4 build was funds and wasnt sure if i wanted to lose my second row ... Now that I have 2 vehicles im pretty much making the tahoe my beater ... literally haha

with that being said, im pretty positive if i can get a good design together for a REMOVABLE shell that is big enough for the 6 15s then its gone with the second row for sure but until (and if) i can get the design im looking and hoping for, i will run the x15 wall and im planning to meter it on the 28th so the score will go in the sig whether i like it or not
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Old 09-09-2013, 04:52 PM
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Quote:
Originally Posted by Goldtaz1 View Post
If I were going to do this build, I would go with 1.8 cubes net per woofer on the sealed side and probably 20-25 cubes net on the ported side. You'll want to start with about 350 square inches of port. It would be best to tune the ported side without a loading wall at all. You'll want to perform a sine sweep while using a program called the DATS audio system to analyze the sealed resonance of the enclosure. Once you know what your sealed resonance is, then you can tune the ported side to that particular frequency. This is a very generic starting point. There is actually a pretty lengthy 4th order thread on this site that you should study. Lots of really good info in there, but it's definitely a huge thread.

The biggest recommendation is to build a shell in there as big as possible and then shrink the space down as necessary. You can always shrink down, expanding after you've made a goof is a totally different story. Best of luck to you on the build. Let me know if you have any further questions and I'll do my best to help.

Brandon
FAIL!!!!!!! nah just kidding mr.goldtaz is very knowledgeable in car audio will never steer u in the wrong way. Great guy like he said any questions shoot him a pm. Everything he stated is a very good starting point!!
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