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Box Help soundstream xxx15

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3NE_SOUNDZ
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Box Help soundstream xxx15

Postby 3NE_SOUNDZ » September 25th, 2014, 5:29 pm

Need some help with box specs for a soundstream xxx15. This is what I came up with so far. 28.5" Wide x 17" H x 20" Deep. Port 2" wide x 15.5 H x 19" long. Let me know what you guys think. Any help will be greatly appreciated.

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MONGO
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Re: Box Help soundstream xxx15

Postby MONGO » September 25th, 2014, 5:37 pm

is original sub or rebuilt?

3NE_SOUNDZ
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Re: Box Help soundstream xxx15

Postby 3NE_SOUNDZ » September 25th, 2014, 6:07 pm

Original. Did not use for 1 year.

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meccalli
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Re: Box Help soundstream xxx15

Postby meccalli » September 30th, 2014, 6:39 pm

Hmm, well that's 5.2 cubes @ 27.7 hz tuning excluding sub displacement volume. looks pretty good, may have to tame the 30-40 hz bump cuz its gonna get LOUD once cabin gain kicks in :).
Good that you have lots of space to dedicate, makes it that much more flexible in terms of tuning.

3NE_SOUNDZ
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Re: Box Help soundstream xxx15

Postby 3NE_SOUNDZ » November 28th, 2014, 4:28 pm

Ok guys box is built, but still needs to be glued. Have a few questions about the inside. Will it make a huge difference to add 45's on the corners ? And also what about some polyfill? Box is 30 W X 17 H X 20 D. Port 2" wide X 19 Long.

kronikkreationskrew
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Re: Box Help soundstream xxx15

Postby kronikkreationskrew » November 28th, 2014, 5:15 pm

Hey pal, for the xxx15 to play optimally u have to go much bigger with the enclosure or u will damage the sub. 6-8 cubic is the box recommended for that monster

kronikkreationskrew
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Re: Box Help soundstream xxx15

Postby kronikkreationskrew » November 28th, 2014, 5:17 pm

Port is wayyy too small also

3NE_SOUNDZ
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Re: Box Help soundstream xxx15

Postby 3NE_SOUNDZ » November 29th, 2014, 4:32 pm

Hmm...spec sheet calls for 3 cubic feet minimum and 6 max. I believe the one I built is about 4.5

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meccalli
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Re: Box Help soundstream xxx15

Postby meccalli » November 29th, 2014, 9:14 pm

Yeah the 15" is optimum @ 4.5 cubes according to manufacturer. Your port area is actually too small, ideally you want 12-16 square inches per cube. You can always go multiple aero as rec. or go with a 3.5 inch port and extend it. That should put you around 60 sq inches of port which should be fine. Tuning a bit higher won't hurt either. @ 3.5 w x 15 h, 26 long, you'll be in the ballpark of 30/31hz tune with an internal of 4.8 cubes.

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LOUD AND CLEAR AUDIO
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Re: Box Help soundstream xxx15

Postby LOUD AND CLEAR AUDIO » February 14th, 2015, 4:34 am

did u get what u wanted with the output of the subwoofer ? were u satisfed --did a couple trials on this subwoofer as well a few years ago --was wondering if uthink the subwoofer can go down to the 29hz zone and sound smooth ?

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