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Message: <blockquote data-quote="geolemon" data-source="post: 314914" data-attributes="member: 547749">The problem isn't whether a particular TYPE of enclosure is appropriate...The problem is that unit you linked to is a universal bandpass enclosure... and that's simply an oxymoron.You truly need to design a bandpass enclosure around the very unique Qts and frequency response property signatures of each individual sub out there... subs are not even close to being "all the same".And inherently, a "universal" bandpass enclosure simply skips the "design" step - critically important.I'm sure there's a few subs out there that would work fine in there... but how do you know? We don't know the chamber volumes, tuning frequency of the front chamber, etc.Think of it like this.1)  Big balding guy in a football jersey holding a beer, eating pretzels, watching football on his sofa while his wife cleans in the kitchen.2)  Dark haired 30 year old executive wearing a Hugo Boss tan dress shirt and $200 slacks, doing his hair in his upper Manhattan apartment.3)  19 year old college student party animal, life defined by seeking the easiest drunk girl, uses college loans like an income.4)  Pregnant and barefoot housewife talking on the telephone during daytime soap operas, gossiping with friends.Do you think that you could build one house, one club, that would bring out the best in all of these people?Subwoofers have many unique features themselves, design attributes that lend themselves to particular strengths and weaknesses... motor strength, frequency response, excursion, impedance characteristics, etc..And while you really could build a bandpass enclosure that would flatter each one of these particular strengths/weaknesses... it requires designing it around the individual sub.There's no "designing it", with a universal bandpass.How do you know what combination of features that particular bandpass box was built to flatter?  How do you know what weaknesses it was designed to minimize?You'll be much more likely to find success in buying a "universal" sealed or ported enclosure.  //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gifAgain, this is something best designed to a particular driver, but it's easy to find a sealed box that'll work fine with many subs, and almost as easy to find a ported enclosure that's conservatively tuned and large enough to be reasonably "universal".But one thing that you need to determine first of all, is whether your sub is best suited in a sealed, or a ported enclosure.If you are listening to rap all the time, I have no doubt you want a ported enclosure - and a sub that will work ideally in that type of enclosure.Which also means you really inherently won't want a 4th order bandpass enclosure, like that is (and like 100% of the "universal" bandpass enclosures on the market) - because they are more ideal for woofers that are best suited for sealed enclosures. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gifTrust me, use the KISS rule....and what about the majority of the frequency range?  Why only a sub?Bass is fun, but you'll end up with the same poor-sounding system you have now... just disproportionately bass-heavy. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif</blockquote>

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