Sealed vs Bandpass boxes
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Elder User
Joined: Jun 2004
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From: Zimmerman, MN
Sealed vs Bandpass boxes
All of my prior stereo setups have been with sealed sub boxes. I was wondering if someone could enlighten me what the grand difference between sealed and bandbass is, basically, what would I gain?
Currently have a JL PowerWedge with 2 10 inch W0 subs in a sealed enclosure.
Just added a dog to our happy family here, and was thinking of making a new box to fit better behind my 02 Ranger XLT so my dog can sit on top behind the front seats.
Thanks in advance for info
Currently have a JL PowerWedge with 2 10 inch W0 subs in a sealed enclosure.
Just added a dog to our happy family here, and was thinking of making a new box to fit better behind my 02 Ranger XLT so my dog can sit on top behind the front seats.
Thanks in advance for info
Senior User
Joined: Apr 2004
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From: Paris, TX
My understanding:
Bandpass boxes will give you more rolling bass, deep down and shake you bass...
Sealed boxes provide a more punchy bass.
For most subs (maybe all), a much larger enclosure would be required for a bandpass configuration.
Bandpass boxes will give you more rolling bass, deep down and shake you bass...
Sealed boxes provide a more punchy bass.
For most subs (maybe all), a much larger enclosure would be required for a bandpass configuration.
Postmaster
Joined: Jun 2004
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From: B/CS, Texas!!
bandpass boxes are 'fine tuned'. they have a narrow range of requencies they can play. sure, it'll sound loud, but if your sub is distorting it might be hard to know. sealed are for more tight bass and require more amp power to push against all build-up air inside the box.
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Elder User
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From: Zimmerman, MN
Yeah I've been doing some looking around and I think I'll just make a new sealed box that is thinner and wider so it's in spec for cubic volume.
That way I don't have to worry about trying to fine tune a bandpass and I can keep my bass the way I like it now. That and I need to keep the size down, since I'm trying to gain some of the space back.
thanks for the info
That way I don't have to worry about trying to fine tune a bandpass and I can keep my bass the way I like it now. That and I need to keep the size down, since I'm trying to gain some of the space back.
thanks for the info
Freshman User
Joined: Jul 2004
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Sealed = great sound! (my $.02 is go with sealed)
Ported = great sound, requires slightly more power
BandPass = narrow frequency window that produces good sound with low power.
I had a 89 Bronco with all of the configs above using the same 2 Subs (rockford fosgate 15")and the same amp (punch 1000).
Hands down the sealed sounded better no matter what type of music!
Ported = great sound, requires slightly more power
BandPass = narrow frequency window that produces good sound with low power.
I had a 89 Bronco with all of the configs above using the same 2 Subs (rockford fosgate 15")and the same amp (punch 1000).
Hands down the sealed sounded better no matter what type of music!
Senior User
Joined: Nov 2003
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From: Lafayette, Indiana
The sealed will play a better range than the bandpass which will more than likely be a "peaky" box. Sealed will require less area. If you want Meaning, hitting hard, but only around a certain note. Same as whats said above, just in a different way.
If you have the space, which it sound like you may if its an ext cab with nothing in back, you could go 12's or 10's ported, have the heigth for what you want to do, and have good sound with higher output across a broader range.
Im not saying one way or the other, these are just options.
If you have the space, which it sound like you may if its an ext cab with nothing in back, you could go 12's or 10's ported, have the heigth for what you want to do, and have good sound with higher output across a broader range.
Im not saying one way or the other, these are just options.
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Elder User
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From: Zimmerman, MN
I think it would be easier for me to keep it on the simple and build a sealed box. That way I don't have to mess around with a ported box.
Some MDF, wood glue, and a few beers I should have this thing licked. Time to break out the calculator and brush off the rust on the brain for calculating the volume for the box with that space I have in the cab.
Some MDF, wood glue, and a few beers I should have this thing licked. Time to break out the calculator and brush off the rust on the brain for calculating the volume for the box with that space I have in the cab.
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Buy a sub with a high "Q" and put it in a sealed box. You will get good bass with a sealed alignment and smooth sound. Many of the new subs will achieve great results in very low volume sealed enclosures. A ported design has many trade offs. A bandpass alignment is a complex ported design. The more complex the design, the harder it is going to be to tune to your system. Ported designs will achiewve lower bass extension, but also produce more distortion and sloppier sounding bass when played out of their "pass band" or tuning range. A sealed enclsoure is also very good atr protecting the speaker from damage due to overload. A ported enclosure puts huge stresses on the driver at frequencies near the tining frequency. You can destroy an expensive speaker with a watt or so of power in a ported enclosure at certain frequencies. I suggest a book called "the loudspeaker design cookbook" by vance dickenson. Also check out the true audio website or www.disypeakers.net for links to good sights. Search google for a Brains Steeles website also.
Bean
Bean
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Originally Posted by BeanAnimal
Buy a sub with a high "Q" and put it in a sealed box. You will get good bass with a sealed alignment and smooth sound. Many of the new subs will achieve great results in very low volume sealed enclosures. A ported design has many trade offs. A bandpass alignment is a complex ported design. The more complex the design, the harder it is going to be to tune to your system. Ported designs will achiewve lower bass extension, but also produce more distortion and sloppier sounding bass when played out of their "pass band" or tuning range. A sealed enclsoure is also very good atr protecting the speaker from damage due to overload. A ported enclosure puts huge stresses on the driver at frequencies near the tining frequency. You can destroy an expensive speaker with a watt or so of power in a ported enclosure at certain frequencies. I suggest a book called "the loudspeaker design cookbook" by vance dickenson. Also check out the true audio website or www.disypeakers.net for links to good sights. Search google for a Brains Steeles website also.
Bean
Bean
http://www.diyspeakers.net/
Postmaster
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From: Bixby, OK
correct me if im wrong but basically, ported gives u more thump in your car where you can feel it, sealed has more tone and better sound reproduction and it can make ure brain rattle but it does it more smoothly and the bandpass kind of gets the highlights of ported and sealed, but has a narrow frequency window? ive been into car audio but still dont understand most of it, could anyone respond with something about the ohms? i understand i have a 4 ohm audiobahn sub that can be taken down to 2 ohms and even one ohm, but what does this mean? make it louder? or what? sorry still confused thanks..
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4 ohm audiobahn sub that can be taken down to 2 ohms
Senior User
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From: Pennsylvania
Ported and bandpass boxes also yield a higher volume output OUTSIDE of the car in most scenarios. Bandpass enclosures will also put more stress on your subwoofer, so it may not last as long in that setup as it would in a sealed enclosure. Generally, a sealed enclosure will provide more musical bass, but less overall output.