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  1. 06-26-2011 #1
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    RE Audio XXX 12" sealed box recommendations

    I currently have one 12" 2 ohm RE Audio XXX sub on an american bass phantom series 2500 watt amp run at 1 ohm (1250 RMS) in a ported box, 3 cubes at 33Hz setup in a 2000 ford explorer. kinda pissed i got talked into ported because i bought the sub to go for all out SQL while still having good SPL, but even more pissed that i listened to RE's ported box specs. After looking around i know it is way to small. ALSO, I'm in the market for a Hifonics Brutus 2100 watt amp (BRZ2100.1D) or Brutus 2400 watt amp (BRZ2400.1D) to better power this thing.
    SO, before i go build another box, i was wondering what people who have this beast would recommend for a sealed enclosure because 1.1 sounds waayy to small.



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  3. 06-26-2011 #2
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    Re: RE Audio XXX 12" sealed box recommendations

    new or old model? never knew the XXX's worked in sealed enclosures



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  4. 06-26-2011 #3
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    Re: RE Audio XXX 12" sealed box recommendations

    bought brand new off sonic for 500 about a month ago so its the new one.
    also i read a bunch of posts (many on here) that recommend sealed to achieve the insane xmax these subs can put out.



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  5. 06-26-2011 #4
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    Re: RE Audio XXX 12" sealed box recommendations

    Old XXX arent as fantastic as the older ones, but you will be disapointed going from that box to a sealed enclosure with that sub. But I dont think thats the problem. Your box is rather big for that sub. Try building another ported box at 2.2 cubes and tuned down to 30-31hrz...

    And that sub is not going to really start wanging till you give it a few more wattage... especially in that big of a box. Bigger box = more efficiency.. You are already under powering it as it is.

    So, smaller box, give it recommended wattage, and go with a lower tuning. I think you'd be alot happier doing that.



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    Quote Originally Posted by GeekSquad View Post
    Make the port as large and as round as possible. For example, a square port is more round than a rectangular one; an octogonal port is more round than a square port. Also, keep the number of ports down to one, if possible.
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  6. 06-26-2011 #5
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    Re: RE Audio XXX 12" sealed box recommendations

    3 cubes ported at 33 should be ideal for that sub..



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  7. 06-26-2011 #6
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    Re: RE Audio XXX 12" sealed box recommendations

    Eh... I heard two of the new XXX's in a 7 cube box. Not sure what it was ported at, but thats pretty similar.. just .5 cube more than what he is running. It sounded kinda MEH'ish...



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    Quote Originally Posted by GeekSquad View Post
    Make the port as large and as round as possible. For example, a square port is more round than a rectangular one; an octogonal port is more round than a square port. Also, keep the number of ports down to one, if possible.
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  8. 06-26-2011 #7
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    Re: RE Audio XXX 12" sealed box recommendations

    Hmmm.... everything ive ever read about these subs suggests larger sealed enclosures for best use of the excursion and best sound. Has anyone every heard one (or more) in both?
    and i know its way underpowered, that was just the amp i had from my last setup. im trying to get one of the hifonics amps but i havent found one for the right price yet.



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  9. 06-26-2011 #8
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    Re: RE Audio XXX 12" sealed box recommendations

    Personally, I'd save up and get a better quality amp than a Hifonics...



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    Quote Originally Posted by GeekSquad View Post
    Make the port as large and as round as possible. For example, a square port is more round than a rectangular one; an octogonal port is more round than a square port. Also, keep the number of ports down to one, if possible.
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  10. 06-26-2011 #9
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    Re: RE Audio XXX 12" sealed box recommendations

    any recommendations are welcome



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  11. 06-26-2011 #10
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    Re: RE Audio XXX 12" sealed box recommendations

    any dd....sound stream makes some good ones.....Sundown 2500d would do good off that....orion 2500d if u can find one



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  12. 06-26-2011 #11
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    Re: RE Audio XXX 12" sealed box recommendations

    I too would think that box was ideal. You could have tuned it a lil lower. Other than that, should sound good. Only think I can think of is that you need more wattage, but that wouldnt make it sound bad, just wouldnt push it to its potential.

    What exactly sounds bad about it?



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  13. 06-26-2011 #12
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    Re: RE Audio XXX 12" sealed box recommendations

    More power and a HUGE sealed enclosure



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  14. 06-26-2011 #13
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    Re: RE Audio XXX 12" sealed box recommendations

    Quote Originally Posted by Nickatina View Post
    More power and a HUGE sealed enclosure
    How huge?

    And it sounds a little sloppy on songs with double bass or just weird bass base lines. I listen to rap but not exclusively. Like this calling and, just cuz its probably the best example, I gotta feeling, sound kinda bad on it as well as others. And my experience has always been that sealed boxes help produce tighter more accurate bass.

    Also about the much needed extra power, its coming very soon. I'll have around 2000 cea certified watts running to it.



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  15. 06-26-2011 #14
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    Re: RE Audio XXX 12" sealed box recommendations

    RE Audio XXX 12" sealed box recommendations-pic.jpg

    this is the box i have it in right now.
    14.25H 15D 36L
    3 inch port, total port length is 26.5
    port area 38.25
    33.8 Hz



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  16. 06-26-2011 #15
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    Re: RE Audio XXX 12" sealed box recommendations

    Quote Originally Posted by teptepley1 View Post
    Attachment 26525551

    this is the box i have it in right now.
    14.25H 15D 36L
    3 inch port, total port length is 26.5
    port area 38.25
    33.8 Hz
    The issue with the RE calc is that it does not take into account any displacements other than the port. The sub itself is another .25ft^3 in this case, which shrinks your box volume and also raises your tuning a little.

    What exactly do you not like about how everything currently sounds? Are you wanting more low-end? These are not efficient woofers; it takes lots of power and a proper box to get them loud.



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