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2 subs sharing same port


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Well what would be easier and produce the best sound? A piece down the middle or have it split in the back?

2006 Nissan Z Track.

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i used to think a band pass was something you were around your neck or something.

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Well what would be easier and produce the best sound? A piece down the middle or have it split in the back?

A piece down the middle.

TEAM SOUNDQUBED -- TEAM SOUTH

TEAM S.O.B. - Founder & Captain

3x Streetbeat World Record Holder

2017 MWSPL 1st place Mayhem & 4th Xtreme 4 
2016 MWSPL 1st place Mayhem/2nd Adv 4/2nd Xtreme 4
2015 MWSPL 2nd place Mayhem & 4th Xtreme 4
2014 USACI 2nd place Streetbeat 5 - 162.6 db
2014 MWSPL 2nd place Xtreme 4 - 144.9 db
2013 USACI 1st place Streetbeat 4 - 161.9 db
2013 USACI 1st place Street Q+ - 162.8 db
2013 MWSPL 3rd Kaos2 & 4th Xtreme 4
2011 USACI 2nd place MOD 1001-2k - 160.0 db
2011 MWSPL 4th place: Adv3 - 157.8 db, Kaos2 - 150s db, Xtreme4 - 140s db
2010 ARSPL 1st place 501-750 - 160.3 db Arkansas loudest

Best score to date 164.4 db - Termlab Outlaw

Streetbeat 4 - 161.9 db

Streetbeat 5 - 162.6 db

MWSPL on Dash Legal door open (Music) - 162.5 db

Sealed on dash Legal (Music) - 161.1 db - Termlab

THE BLACK NASTY CURRENT BUILD & FAB

The Black Nasty (6) 15 Rebuild Log 2012

(4) 15 Walled Sierra Build Log

Evo X build log

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i personally say just thrown the port on the side and have both subs in one chamber. if you do it with a piece down the middle you are going to have to re-design your box anyway, if you use 3/4 MDF you are going to lose 3/8" of port area per side, messing with your port area, as well as tuning, and output.

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im taking out my passenger seat, battery is disconnected, going to unwire and take out the three amps, take out the 70+ lb box, then the platform so i can crimp 1 wire.

Almost as bad as those fegs that put those horns in their grills and roll down the street distorting the block....

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Flared port kits coming soon!!

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So.. The lenght for each box would need to be 21.5? Doesn't seem right. I'm looking at that pic above and basically its like the port was split down the middle and pulled out. If you put it back together it would be 43 long ,and 5 wide.. Maybe im wrong though. Im new to these kinda ports.

2006 Nissan Z Track.

My Feedback Thread

2nqd37b.png

DCSig.jpg

i used to think a band pass was something you were around your neck or something.

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Share on other sites

i personally say just thrown the port on the side and have both subs in one chamber. if you do it with a piece down the middle you are going to have to re-design your box anyway, if you use 3/4 MDF you are going to lose 3/8" of port area per side, messing with your port area, as well as tuning, and output.

Well going in a trunk car, facing forward I like the idea of the port in the middle, and every box ive had has been a port like that and it's not how I like it sound wise.

2006 Nissan Z Track.

My Feedback Thread

2nqd37b.png

DCSig.jpg

i used to think a band pass was something you were around your neck or something.

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Share on other sites

So.. The lenght for each box would need to be 21.5? Doesn't seem right. I'm looking at that pic above and basically its like the port was split down the middle and pulled out. If you put it back together it would be 43 long ,and 5 wide.. Maybe im wrong though. Im new to these kinda ports.

If you put a piece down the middle, remodel it as one sub one box and see what you get, it will come into picture then.

TEAM SOUNDQUBED -- TEAM SOUTH

TEAM S.O.B. - Founder & Captain

3x Streetbeat World Record Holder

2017 MWSPL 1st place Mayhem & 4th Xtreme 4 
2016 MWSPL 1st place Mayhem/2nd Adv 4/2nd Xtreme 4
2015 MWSPL 2nd place Mayhem & 4th Xtreme 4
2014 USACI 2nd place Streetbeat 5 - 162.6 db
2014 MWSPL 2nd place Xtreme 4 - 144.9 db
2013 USACI 1st place Streetbeat 4 - 161.9 db
2013 USACI 1st place Street Q+ - 162.8 db
2013 MWSPL 3rd Kaos2 & 4th Xtreme 4
2011 USACI 2nd place MOD 1001-2k - 160.0 db
2011 MWSPL 4th place: Adv3 - 157.8 db, Kaos2 - 150s db, Xtreme4 - 140s db
2010 ARSPL 1st place 501-750 - 160.3 db Arkansas loudest

Best score to date 164.4 db - Termlab Outlaw

Streetbeat 4 - 161.9 db

Streetbeat 5 - 162.6 db

MWSPL on Dash Legal door open (Music) - 162.5 db

Sealed on dash Legal (Music) - 161.1 db - Termlab

THE BLACK NASTY CURRENT BUILD & FAB

The Black Nasty (6) 15 Rebuild Log 2012

(4) 15 Walled Sierra Build Log

Evo X build log

Facebook page The Black Nasty

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this is what im trying to go off of. The ports throwing my ass off.

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2006 Nissan Z Track.

My Feedback Thread

2nqd37b.png

DCSig.jpg

i used to think a band pass was something you were around your neck or something.

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the length stays 43". when the port splits down the back of the box, you half the 5.5" measurement to 2.75". when it's all said and done, you want to be able to measure down the middle of the port and get 43" in either direction.

 

 

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heres my design that im using for my sa12s..

chapo.jpg

chappo.jpg

i agree, i dont like side ports either.

Steve I don't know why but everytime I see your new paint I want a Dr. Pepper...... is this normal?

heres an analogy for you. running a high power stereo without a fuse is like having unprotected sex with that hot chick at the bar with the sketchy sexual history. Sure you may be fine and nothing happens but that one time something does happen you're fucked.

i dont want woofer broke like bass sound clip clip and voice coil overheat

2 sa12s, saz1500 build log http://www.stevemeadedesigns.com/board/topic/91183-chapo123s-sundown-build-log/page__gopid__1250604entry1250604

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