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My sub calls for 2.375 cu.ft box .. will it be ok with 1.875 cu.ft

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I have a alpine 6013 sub, what should i tune the port to? i listen to mostly rap if that makes a difference.


Box should be 1.2 cubic feet. port should be 13 square inches depth 16 inches and Fb/F3 will be 42/35 (Fb=port freq F3=cut-off freq

Nov 02, 2014 | Car Audio & Video

1 Answer

Jl audio subs


it may sound ok but that is personal preference..you will need to do process of elimination prior to your install and check your cabinets and mounts..dont want any vibrations you arent expecting..

Mar 04, 2014 | Car Audio & Video

1 Answer

What does more/less airspace mean in terms of sound when talking about a sub-woofer box?


air space behind the cones of a speaker is critical to the performance of the speaker. the space behind has to be air tight. If the specs state a minimum of 1.25 cu ft and a max of 1.75 cu f t that is what you will have to achieve for the performance If you build a box for 1.75 cu ft then when the speakers are fitted you will probably spot on. Go on line for speaker box construction and you will get valuable info. for your project

May 29, 2013 | Kicker Comp CVT 10" Car Subwoofer

1 Answer

I need to know the demensions for 10 inch subs


almost any 10 will use .75 cubic feet up to 1.25 cu ft. thats about the size of a milk crate give or take. a sealed box will give you the cleanest tightest bass. A ported box will be louder but also larger at the cost of decreased power handling ability and sound quality. If your subs are designed for small enclosures use a sealed box around .75 to 1.00 cu ft.

Jan 30, 2010 | Koiiler XM-6715 Car Subwoofer

1 Answer

What is the rms and voicecoil configureation on these the older aw1200


here is all the specs for your sub

12" subwoofer with two 4-ohm voice coils
» carbon composite cone with foam surround
» heavy-duty cast-aluminum basket
» power range: 50-700 RMS watts (350 watts per voice coil)
» peak power: 1400 watts
» frequency response: 20-500 Hz
» sensitivity: 94.65 dB
» mounting depth: 5-5/8"
» sealed box volume: 0.50-1.50 cu. ft.
» ported box volume: 1.30-3.30 cu. ft.

Aug 04, 2009 | AudioBahn AW1200 Car Subwoofer

2 Answers

Building a box, need to know best dimensions for box and port


Hello dirt_digger6,

The specific sub you are asking about would seem to be the TS-302F which is the only 12" 800W Pioneer I have located.

Directly from Pioneer's support knowledgebase:
TS-W302F = Ported: 2.5 Cu.Ft. F3 = 39HzPort: 4  x 6.5 tuned @ 37 Hz with 12 % port noise.

An enclosure 16X18X21, constructed from 3/4" MDF will yield 2.69 Cu.Ft., allowing .19 Cu.Ft. displacement for the sub and port.
There's an excellent "box calculator" located here on the12v.com web site. You can measure the space you have to put the box and fiddle with the dimensions to get close to your ideal volume. There are also calculators on the12v.com which will allow you to calculate a port length based on port diameter (or width/height), enclosure volume, and desired tuning frequency.

Hope this helps.

May 07, 2009 | Car Audio & Video

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

1 Answer

Optimum set up


0.6 cu ft per driver is awfully small for those subs. The polyfill may help, but I doubt it's going to make the subs feel like they're in a box 2x the size. It's sounding more and more like you may have the wrong subs for the situation. You may want to see about getting some different speakers (10's maybe?) that are tuned for a smaller box and 4 ohms each.

Jun 19, 2008 | Alpine PDX-1.1000 1000W x 1 Car Amplifier...

1 Answer

MA Audio MA1800XL


Optimum Vented Box: 4.5 Cu/Ft
Round Port Diameter: (3) 4"
Square Port Area: 37 Sq/In
Port Length: 17"
Optimum Sealed Box: 1.75 - 2.5 Cu/Ft these are your options as you can see if your short on space your sub will love a 1.75 to 2.5 sealed box but if you have THE right ported box you will get better bass with less power but at the end of the day that sub will Pump wish i had one good luck hope this helps you info from manufacture cheers bronson

Mar 06, 2008 | MA Audio 800XL Car Subwoofer

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