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Air space in a ported box - Mmats Pro 12 Car Subwoofer

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A sealed box will alow more, deaper base however what you are askin a ported box is port specs min. 4" dia.x12"L- MAX. 20sqx16"L (THIS IS EQUIVELNT TO .09 cu ft min. not to excied .19 cu.ft. for better sound, this will put you at 38.2Hz. or 34.7Hz
hope this helps.

Posted on Nov 26, 2013

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How much air space is needed for lanxar max st 15d


it depends on the type of enclose you are building and number of drivers .. you can build them and share air space or build it to were neither sub shares any air space.. if you buy a prefab enclosure for your 15s what ever q logic or q power or any other manufacture choses to build a universal port or vent or sealed box will be just fine.
which type of enclosure are you looking for ..
port
vented
seal
isobaric

1.6 cuft to 2.5 cuft per subwoofer check out the sub boxes from qpower and there specs for 15"BASS15 3HOLE 40 1/8 x 21 x 21 x 17 2.5cuBASS15 4HOLE T 42 x 18 x 18 x 16 1/4 1.6cuqpowers specs from there website
radiorepair@windowtintingin239.com

Oct 29, 2013 | Car Audio & Video

1 Answer

What air space for a sealed box should i use for my lanzar max10d subwoofers


a sealed box is designed to handle more power with a smaller box. to get max efficiancy or spl bass it is recommended to go with a ported or vented box but your speaker can't handle as much sometimes 200-300 watts less but bigger bass. so, sealed box is 0.85cu.ft-1.25cu.ft and vented or ported is 1.25cu.ft-1.75cu.ft.

Feb 01, 2011 | Lanzar MAX10D Car Subwoofer

1 Answer

I have a 15 inch legacy sharp steel 4000w subwoofer. how much air space does the enclosure need to have? and does it matter if it's sealed or ported?


about 1.5 cubic feet for a sealed box and it does matter if its ported.. if you port it you need to find the right size port hole and length to suit the box and suit it to the most common music type you listen to..

Feb 25, 2010 | Car Audio & Video

1 Answer

How much air space


Air space needed around the sub is a minimum of 1 inch, but 3-7 is preferred. If you get too big you can get an echo sound. Sealed is my preferred box - it generally gives you the deep base thumping you are probably looking for.
Hope this helps! Rate my solution!

Jan 05, 2010 | Boss Blade BL240DVC Subwoofer - 15" Dual 4...

1 Answer

How much air space do boss blade 15 need


Subwoofers differ in only one way. You get an "Open Air" and a "Closed air" subwoofer, That being said, you'll have to check on your magnet which one you have to make the boxes for that sub. If it is an "Open air" Subwoofer, you should see a "wire mesh" or "grid" in the centre, at the back of the magnet. If it is a "Closed air", the magnet will be solid with no hole whatsoever.

If it is a "Open air" sub, your boxes should be sealed with silicone, and no ports are to be cut in your box.

With "Closed air" subs, you should have 2 ports below your sub and the port sizes should be around 50mm in diameter. You should start with a 100mm long piece in the one box and add 50mm increments to "tune" the port up to 250mm, depending on the frequency of bass you require.

On a 15 inch subwoofer ranging between 80Hz and 120Hz, the box size required should be around 27 liters, meaning that you will end up with a box of 16 inches high, x 16 inches wide, x 16 inches deep. Or 320mm high, x 320mm wide, x 320mm deep.
Enjoy!

Nov 24, 2009 | Boss Blade BL240DVC Subwoofer - 15" Dual 4...

1 Answer

Need dimensions for 12' 450watt IMPP Subwoolfers for proper air space


Subwoofers differ in only one way. You get an "Open Air" and a "Closed air" subwoofer, That being said, you'll have to check on your magnet which one you have to make the boxes for that sub. If it is an "Open air" Subwoofer, you should see a "wire mesh" or "grid" in the centre, at the back of the magnet. If it is a "Closed air", the magnet will be solid with no hole whatsoever.

If it is a "Open air" sub, your boxes should be sealed with silicone, and no ports are to be cut in your box.

With "Closed air" subs, you should have 2 ports below your sub and the port sizes should be around 50mm in diameter. You should start with a 100mm long piece in the one box and add 50mm increments to "tune" the port up to 200mm, depending on the frequency of bass you require.

On a 12 inch subwoofer ranging between 80Hz and 120Hz, the box size required should be around 27 liters, meaning that you will end up with a box of 16 inches high, x 16 inches wide, x 16 inches deep. Or 320mm high, x 320mm wide, x 320mm deep.
Enjoy!

Oct 14, 2009 | Car Audio & Video

2 Answers

Need correct air space with port displacement for high and low tones also for spl


check out www.the12volt.com they have a lot of information on car audio installs and some of the sub woofer box designs are insane dont forget to rate

May 26, 2009 | Kicker Solo-Baric L7 S15L72 Car Subwoofer

1 Answer

Size of boxes


Wow you are in luck, I used to be an Audiobahn dealer. Designing sub enclosures is my fulltime job. So here you go.-
If you are looking for sound that is very smooth, and has a very low end shaking everything setting off car alarms. You will need a PORTED BOX that is 3 CUBIC FEET FOR EACH SUB WOOFER. It actually calls for 2.7cu.ft but after you add speaker displacement and bracing it should be at least 3 cu.ft. The port can be either round or square made of plastic or 3/4" wood respectively. My port suggestions are dependent on how much space you have. The shortest round port might make some noise (too much pressure!). So think about that first. Anyway the short port is 3" diameter and 15.5" long. The longer port is 4" in diameter and 28.25" long. The rectangular wood port can also be either (port measurements are inside diamensions) 3" w x 3" w x 18.5" long (short port) or 2 w x 10.5 h x 48' long. The second longer wood port is recommended most but will take up a lot of space. The fact that you have to subtract the port volume from the box makes for space issues in cars. Also the second wood port sounds better and won't make much wind noise, but takes up .75 cu.ft worth of space. So in plain english your box will have to have an internal volume of 3.75cu.ft. An example of this could be made of 3/4" thick MDF, have 1" x 1" internal bracing and measure (box dimensions are external and assumes the use of 3/4" MDF) 12" h x 18" w x 30" deep. The port is an integral part of the box fitting inside. I'm sorry I can't provide any drawings to make things easier. Now this box size is one that I ran through a computer program I use. So it is not the same as the manufactures recommendations. I will list those as well.
The second box is an example using a round short port and also uses 3/4" MDF, 1 x 1" bracing, the 3" dia x 15.5" long port, and measures 12" x 18" x 24" externally.
If space is an issue try checking out the information below. -I got it from Audiobahn-
If for some reason it doesn't show up or you need assistance let me know. Good luck and enjoy your new setup-I'm sure you'll be happily disturbing the peace soon!
-Dynami
Model # AW1006T
Ported
Air Space (Cu. Ft.) 0.65
Port Size (Inches) 2 x 6.5
Port Vel. (%) 48.31
-3dB (Hz) 31.5
Tune Freq. (Hz) 40
Sub Disp. (Cu. Ft.) 0.21
Port Disp.(Cu. Ft.) 0.01
Total Vol. (Cu. Ft.) 0.75
Ported
Air Space (Cu. Ft.) 1.4
Port Size (Inches) 3 x 6.75
Port Vel. (%) 24.19
-3dB (Hz) 30
Tune Freq. (Hz) 39
Sub Disp. (Cu. Ft.) 0.21
Port Disp.(Cu. Ft.) 0.024
Total Vol. (Cu. Ft.) 1.5
Ported
Air Space (Cu. Ft.) 2.4
Port Size (Inches) 4 x 6.25
Port Vel. (%) 14.39
-3dB (Hz) 29
Tune Freq. (Hz) 39
Sub Disp. (Cu. Ft.) 0.21
Port Disp.(Cu. Ft.) 0.04
Total Vol. (Cu. Ft.) 2.5
EBP 74 80 80

Sealed NR NR NR
Minimum (Cu. Ft.) 0.5
Maximum (Cu. Ft.) 1
SPL (dB) 80
All sealed boxes already include the displacment for the subwoofer. NR = (Not Recommended)

Mar 08, 2009 | AudioBahn AW1006T Car Subwoofer

2 Answers

Box dimensions for 15 in cerwin vega


do you want the box ported or unported (holes or no holes) if you don't got a lot of room than you dont want a ported box. keep in mind the box has to have the correct amount of cubic air space or you could seize your sub... if you're building it make sure you use OSB board (oriented strand board) or MDF board(medium density fiber) your sub needs .7cubic feet of air space in an unported box

Feb 14, 2009 | Cerwin Vega IT-15.0 Car Subwoofer

2 Answers

What air space is needed for the v810d2 sub plus what size of air ports


if its the box it only needs like a 1 to 2 inch hole. i have 4 tens in my car and alls i have is a single 1 inch hole. if this isnt what your talking about try and email me back.

Jun 10, 2008 | Visonik V810D2 Car Subwoofer

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