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3 kicker comp vr 12s ported


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sotexcustomz 
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Joined: October 16, 2007
Location: Texas, United States
Posted: December 14, 2007 at 11:12 PM / IP Logged  

im ready to start my new box for my subs im trying to figure out what the port should be tuned to

the box will be mdf on 3 sides  with fiberglass face and 2 square ports

aznboi3644 
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Joined: May 01, 2006
Location: United States
Posted: December 15, 2007 at 1:13 AM / IP Logged  
what vehicle??
What amp??
How much space do you have??
What kind of output are you wanting??? smooth flat response or basshead bumpin??
sotexcustomz 
Member - Posts: 11
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Joined: October 16, 2007
Location: Texas, United States
Posted: December 15, 2007 at 2:04 PM / IP Logged  

im going for spl ,i want slam    amp: orion 800x2

6 cf in the trunk i need to know what to tune the port to

ive figured a box 5.25cf

boogienights 
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Joined: July 09, 2007
Location: United States
Posted: December 15, 2007 at 3:20 PM / IP Logged  
Kicker's website will tell you all the specs for ports and cf for their cvr's.
Perfection is the only standard.
sotexcustomz 
Member - Posts: 11
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Joined: October 16, 2007
Location: Texas, United States
Posted: December 17, 2007 at 10:59 PM / IP Logged  
how do i know what hz to set my ports to when building a box for my subs??
stevdart 
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Joined: January 24, 2004
Location: Pennsylvania, United States
Posted: December 18, 2007 at 5:24 PM / IP Logged  
If it were mine I'd probably tune to 29 Hz, but if you want SPL tune it to 40 Hz.  You have to have a subsonic filter set at 20 Hz to prevent overexcursion.  Two slotted ports each 6" X 4" (or equivalent square inch openings of 24 sq in each) for a total of 48 sq in.  Each port length is 11.3".   This is figuring with a net volume of 5.25 cu ft airspace (port volume is additional).
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.
sotexcustomz 
Member - Posts: 11
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Joined: October 16, 2007
Location: Texas, United States
Posted: December 18, 2007 at 6:41 PM / IP Logged  

and thats at 29 hz? im just trying to get the best sound overall and take some trophies

stevdart 
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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: December 18, 2007 at 10:27 PM / IP Logged  
No, what I posted is for what I said you should build for SPL:   Fb 40 Hz,  because you said you were aiming for SPL in your earlier post.  If you're competing you will have to have a lot of hands-on with this setup and work with it; probably work out a few different box arrangements and do extensive testing.  Do you know anybody who competes?  I don't do quick box workups on this forum with the idea that the user is going to win a championship with the box.  That can't be done by internet postings.
Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

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