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View Poll Results: ported, sealed or bandpass sub boxes
ported box 8 57.14%
sealed box 6 42.86%
bandpass box 0 0%
Voters: 14. You may not vote on this poll

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Old 11-18-2010, 02:02 AM   #21
Stickybuddz420
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Sealed oversize for 12"s 200-800W a piece, 15"s Would definitely ported considering how shotty a L7 sounds in a sealed. IMO skip bandpass, Port larger subs to flex hard, Seal smaller subs for tighter bass AND Longer sub life. Don't forget IMO....Only 9 years experience here.
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Old 11-18-2010, 02:03 AM   #22
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Quote:
Originally Posted by robalero View Post
its all about preferrence on a box designed properly.

I like ported myself ive owned and been in many different and for whatever reason I love having a ported box specially when my box with my cheap backup amp 350watt kenwood sounds just as good if not sometimes better then my buddy's sealed sub and his 2000 watt kenwood exelon amp

Yeah....That ending made me LOL a bit
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Old 11-18-2010, 02:13 AM   #23
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Quote:
Originally Posted by Stickybuddz420 View Post
Sealed oversize for 12"s 200-800W a piece, 15"s Would definitely ported considering how shotty a L7 sounds in a sealed. IMO skip bandpass, Port larger subs to flex hard, Seal smaller subs for tighter bass AND Longer sub life. Don't forget IMO....Only 9 years experience here.

size has nothing to do with what box it will take
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Old 11-18-2010, 02:14 AM   #24
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Quote:
Originally Posted by MattismodderX View Post
size has nothing to do with what box it will take

Did you really just say that? Soooo..... Lets put a 8" sub in a hmmm 6 cu. ft box? or maybe a 15" in a 2 cu. ft.?

Ok I read it again and i stay with my comment, 12"s ported sounds like shit and 15" sealed sounds like shit.....maybe u skipped the IMO part....oh well.

This because i have my 12's in a oversized sealed box ( after trying many, many others ) and It Hits great lows, mids and high vibrations high's lol, still punchy bass, rock sounds great along with rap n such, I'm just speaking from personal applications.
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Old 11-18-2010, 02:16 AM   #25
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Quote:
Originally Posted by Stickybuddz420 View Post
Did you really just say that? Soooo..... Lets put a 8" sub in a hmmm 6 cu. ft box? or maybe a 15" in a 2 cu. ft.?

my bad its 2am i meant size has nothing to do with ported/sealed box type


edit: i had a 2000rms 12 in a 3.9 cubic box tuned to 32hz and it sounded phenomenal. extremely deep rich bass with little to no rattle
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Old 11-18-2010, 02:21 AM   #26
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Right on but was it able to perform all the other notes? im not competition, just a daily driver who likes it loud n low lol, and i get it outta them 12s in a big box, not much noise outside near the car, but away from it and inside the car vibrates ur vision n shit lol.
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Old 11-18-2010, 02:54 AM   #27
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Quote:
Originally Posted by Stickybuddz420 View Post
Right on but was it able to perform all the other notes? im not competition, just a daily driver who likes it loud n low lol, and i get it outta them 12s in a big box, not much noise outside near the car, but away from it and inside the car vibrates ur vision n shit lol.

the only thing it didnt play too well was punk music or something with nothing under 70hz. plus you cant do hairtricks with sealed boxes
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Old 11-18-2010, 03:17 AM   #28
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You have to play with port area as well as a few other parameters if you are expecting to get that "flat response." Ported boxes can definitely do that.

Bandpass imo has it's place as well. Someday, when I have money to throw around, i'd like to venture into the bandpass world to try a thing or two.
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Old 11-18-2010, 04:38 AM   #29
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Quote:
Originally Posted by Stickybuddz420 View Post
Ok I read it again and i stay with my comment, 12"s ported sounds like shit and 15" sealed sounds like shit.....maybe u skipped the IMO part....oh well. .

I understand it is your opinion, so technically I cannot tell you that you are wrong. I will though say that your opinion has to be a bit on the ignorant side though. Ignorant as in I am not very sure out of those 9 years as to how many well built enclosures of the different natures that you have been able to personally hear for yourself. I dare you to go to a car audio competition nowadays. No, odn't look at the burp or spl cars in which I am sure you would to prove you opinion correct, but sit in one of these cars running 10"s or 12"s and doing mid 140's on music. Actually, my next goal is running two 12"s PORTED OF COURSE and reach a 146db sealed on the dash and the 30-40Hz range.

Different subwoofers can be built for different applications. 12"s ported sound like shit? No offense, but you need to get out man. lol Some 10"s and 12"s you can't even run in sealed boxes without considering cooling, etc.

Here's a friend of mine with his two 12"s on 2,000rms moving some air.
http://www.youtube.com/watch?v=afqAi...eature=related

A pair of 10"s in again, a ported box in my other friend's car tuned to 29Hz:
http://www.youtube.com/user/alexcuteness100k#p/u

Some sealed 15"s doing work:
http://www.youtube.com/user/Naledge503#p/u

Quote:
Originally Posted by MattismodderX View Post
plus you cant do hairtricks with sealed boxes

I may have to disagree here. It does take a bit more effort and power, but in the right application... http://www.youtube.com/watch?v=bo8RudmxRRo
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Old 11-18-2010, 05:42 AM   #30
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that 10'' setup is NASTY!
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Old 11-18-2010, 09:27 AM   #31
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i would have to agree on that 10 set up that would be fun but nasty, hey maybe even a good way to make messes in your seats if its set up right (gotta love lows and women)
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Old 11-18-2010, 11:28 AM   #32
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HAHA yeah considering the 3 setups you just showed me I'm sure they spent more than the $250 I have in my car now, so them videos mean absolutely nothing to me lol, I know if u got the money u can make anything move some air. My point that i am getting at is when I first got into it, and from what I have seen and heard from the best sounding stereos with great SPL usually comes with lots of sealed 10"s or 12"s but usually them huge drivers found on such subs as FI and Kicker Solo X's typically ran best with ported to keep the driver cool as well as push air for great SPL. And yes it has been a while sense i have made it to the audio scene, So I'm sure that people have discovered many ways for each application. I'm not going to touch the ignorant comment because its the internet, comments of such are simply looked over due to lack of immaturity. No hair trick with sealed box?? uhh wtf matt i can even move hair with a 1600W system LOL.
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Old 11-18-2010, 11:30 AM   #33
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Quote:
Originally Posted by Cashdollar2009 View Post
I may have to disagree here. It does take a bit more effort and power, but in the right application... http://www.youtube.com/watch?v=bo8RudmxRRo

yea i was thinking it would be possible with enough power/woofers, just haven't seen one before that. ported just moves so much more air due to high excursion
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Old 11-18-2010, 11:33 AM   #34
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Quote:
Originally Posted by Stickybuddz420 View Post
HAHA yeah considering the 3 setups you just showed me I'm sure they spent more than the $250 I have in my car now, so them videos mean absolutely nothing to me lol, I know if u got the money u can make anything move some air. My point that i am getting at is when I first got into it, and from what I have seen and heard from the best sounding stereos with great SPL usually comes with lots of sealed 10"s or 12"s but usually them huge drivers found on such subs as FI and Kicker Solo X's typically ran best with ported to keep the driver cool as well as push air for great SPL. And yes it has been a while sense i have made it to the audio scene, So I'm sure that people have discovered many ways for each application. I'm not going to touch the ignorant comment because its the internet, comments of such are simply looked over due to lack of immaturity. No hair trick with sealed box?? uhh wtf matt i can even move hair with a 1600W system LOL.

i used to have 2 rockford fosgate 400rms 12"s in a sealed box and the 300rms single 12 in a ported i have as the temp sub moves more air then they did

why do so many people on this forum assume people are trying to pick them apart and shit on their day?
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Old 11-18-2010, 11:39 AM   #35
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its a open convo, feel free to stress freedom of speech, and opnions are like ahoes, everyone has one and they ALL stink.....So there yah go And btw I LOVE shitting in peoples cheerios, its makes me LOL when ppl get mad on the net.
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Old 11-18-2010, 11:41 AM   #36
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it is an open convo. some people are there to discuss while others just want to be right
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Old 11-18-2010, 11:44 AM   #37
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Yeah I just want to broaden the outlook on different boxes, that's what this thread is for no? lets stick to it lol. How about some applications that work well in each setup? So just find 1 bandpass, 1 sealed, and 1 ported setup to run comparison with SPL, SQ, Money Spent, U know, give people a good idea on what to look for when it comes to certain applications/limitations.
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Old 11-18-2010, 12:56 PM   #38
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This thread is full of endless possibilities...

of...

FAIL

Opinions? How about myth's and wrong. That is what I see.

Ported or sealed? Its all based off EBP (Efficiency Bandwidth Product)
Quote:
EBP -
EBP stands for "efficiency bandwidth product", and it's just a helpful calculation, to expand on what Qts tells you with regard to the "what box is it good with?" question.
EBP = Fs / Qes. Simple calculation.
It includes Fs in the equation, because in a sealed box, the subwoofer needs a low Fs in order to play low frequencies.
In a vented box however, you can design the enclosure so that it helps extend the low frequencies farther than a sealed box, so Fs isn't as important for that.
Qes is important because in a vented enclosure, you have higher pressure forces at work - so you need a stronger motor to contend with them. In a sealed box, that stronger motor will drive up the system resonance (a box/sub combination version of Fs), making for bad sealed performance.
The actual EBP number tells you whether it's good in sealed or vented...
EBP at 50 or below, sub is best suited to sealed.
EBP higher than about 80, sub is best suited to vented boxes.
EBP in between, sub is OK in either sealed or vented.

Now as far as sealed box sizes, taking a sealed box and increasing volume will not change the Fs output much. It will however have effect on required power for the sub.

Some of the comments here are just ridiculous at best. Sure any sub can sound like crap in the wrong box. People are dumb also, dont forget that! People just buy subs and toss them in whatever box they want to without any considerations... Sure then it has potential to sound like hell...

This whole topic... Endless can of worms...

Use whatever box fits the subs needs.

\end thread
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Old 11-18-2010, 01:00 PM   #39
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^ learn something every day. never knew what the EBP was or what it determined. good to know
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Old 11-18-2010, 01:13 PM   #40
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I knew Ryan would show up sooner or later saying fail thread....If he would have read my LAST post then he would see I am talking about just basic shit for people who don't want to get into all the technical of how sub woofers work. Basically saying wouldn't it be easier if someone came here and asked what type of box is good for ex. ( Rap Music on a L7 15" in a 2004 Alero) I would say probably Ported firing into the car sealed from the trunk, BUT that is solely from personal limited experience with Kicker in Aleros. So Ryan its not about being wrong or right IMO but help from people who can dumb stuff down for the people who just want quality noise w/o having to study the shit.
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