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What are the best specifications for make a box for one alpine typeR 15 subwoofer to achieve the best results for the DB ?

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  • 25 Answers

REAudio box calculator big slot port and have it over spec for what the sub is rated at box volume about 3-4 cubic feet

Posted on Apr 28, 2015

  • Bain
    Bain Apr 28, 2015

    REAudio box calculator big slot port and have it over spec for what the sub is rated at box volume about 3-4 cubic feet

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Posted on Jan 02, 2017

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  • 256 Answers

SOURCE: what is the best enclosure volume for 15

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!

Posted on Dec 02, 2009

fishdoctorfi
  • 178 Answers

SOURCE: what is the best size speaker box for this subwoofer

Any type BOX will do...This ensures all the thump to be pushed forward to give all the sound from the speaker forward....enjoy. Alow enough room to get you hand in to wire easy and you should be good.

Posted on Dec 27, 2009

  • 84 Answers

SOURCE: what is the best box for 2 ALPINE SWR-1242D

Ported and tuned to around 37-40 hertz. After all displacement the box should be in the 2.2 cubic foot for sub and you will be very impressed. Build it yourself for optimum sound and output.

Posted on May 31, 2010

  • 501 Answers

SOURCE: i have 2 15 type r subwoofer and 2000w alpine

Check the specs on your speakers and the amount of cubic space it needs to breathe and amount of porting required and then check the box to see if it meets that requirement otherwise if it doesn't it will sound like **** and be highly distorted.

Posted on Dec 10, 2010

mr1967mejias
  • 637 Answers

SOURCE: Subwoofer Box for four lanzar 15"

I have been building custom enclosures since 1984. First of all I would need to know exactly what type of vehicle you were trying to install the enclosure into. You will need 8-10 cubic feet for this totally closure. I'm not too sure if you have enough room for this if it's going sometimes of small s_u_v you definitely have the room. I would use a 4 inch by pennington lane ports 1 in eating closure but you might even think about making to sebring closures and bringing them together because you're going to have a lot to flexing with that money into of what first. There again I need to know how much power you're driving to them as well and in what type of configuration you'll be connecting them. Good luck and hit me back up with any questions I will be glad to help thank you.
A thumbs up would be greatly appreciated if answer is helpful for your question. THANK you and GOD BLESS

Posted on Nov 22, 2014

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1 Answer

Need box specs for Alpine dvc type r 2ohm 12"


  • frequency response: 24-200 Hz
  • power handling: 300-600 watts RMS (300 watts per coil)
  • peak power: 1,800 watts
  • sensitivity: 85 dB
  • top-mount depth: 6-3/8"
  • sealed box volume: 0.65-1.25 cu. ft.
  • ported box volume: 1.0-2.0 cu. ft.
  • Crutch field audio has a DIY section on box building ;)

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I'm trying to find the best box size for my single alpine type R 1242D?


The subwoofer box ratings for this subwoofer are as follows:
  • sealed box volume: 0.57-1.0 cu. ft.
  • ported box volume: 0.75-2.0 cu. ft.

Mar 17, 2011 | Alpine Type-R SWR-1242D Car Subwoofer

1 Answer

I have 2 15 type r subwoofer and 2000w alpine amplifier i like know if this dual 15 bandpass can handle?


Check the specs on your speakers and the amount of cubic space it needs to breathe and amount of porting required and then check the box to see if it meets that requirement otherwise if it doesn't it will sound like **** and be highly distorted.

Dec 10, 2010 | Dual 15" Bandpass Sub Box Enclosure Plexi...

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What's the best Subwoofer box for a 12" alpine SWR-1223D?


According to the manual you should be looking at sealed, vented or bandpass type boxes. Really just depends on what type of bass you're looking to get out of it.
When you decide on the type check the manual for optimum specifications for the type of box you're looking to build.
Download Alpine SWR 1223D Manual

Oct 22, 2010 | Car Audio & Video

1 Answer

What is the best box for 2 ALPINE SWR-1242D 12"SUBWOOFERS TYPE-R NEW SUB WOOFERS


Ported and tuned to around 37-40 hertz. After all displacement the box should be in the 2.2 cubic foot for sub and you will be very impressed. Build it yourself for optimum sound and output.

May 23, 2010 | Alpine Type-R SWR-1242D Car Subwoofer

2 Answers

What is the best size speaker box for this subwoofer


Any type BOX will do...This ensures all the thump to be pushed forward to give all the sound from the speaker forward....enjoy. Alow enough room to get you hand in to wire easy and you should be good.

Dec 27, 2009 | Sony XS-L122P5 Car Subwoofer

1 Answer

Spec for type r 10


  • 10" subwoofer with dual 4-ohm voice coils
  • Kevlar reinforced pulp cone with Santoprene™ rubber surround
  • cast aluminum frame with perimeter venting
  • frequency response: 26-600 Hz
  • power handling: 200-500 watts RMS (250 watts per coil)
  • peak power: 1,500 watts
  • sensitivity: 83 dB
  • top-mount depth: 6-7/8"
  • sealed box volume: 0.5-0.8
  • ported box volume: 0.6-1.3

Nov 20, 2009 | Alpine Car Audio & Video

1 Answer

Whats the best box for single alpine type r sub


get your manual out go to a box calculating site and youll have your answer
http://www.carstereo.com/help/Articles.cfm?id=5
go here with your sub specs

Oct 21, 2009 | Alpine Type-R SWR-1242D Car Subwoofer

2 Answers

What size enclosure (sealed)for Alpine 12"1242D(METAL Music)


  • 12" subwoofer with dual 4-ohm voice coils
  • Kevlar reinforced pulp cone with Santoprene™ rubber surround
  • cast aluminum frame with perimeter venting
  • frequency response: 25-500 Hz
  • power handling: 200-500 watts RMS (250 watts per coil)
  • peak power: 1,500 watts
  • sensitivity: 85 dB
  • top-mount depth: 7-5/8"
  • sealed box volume: 0.57-1.0 cu. ft.
  • ported box volume: 0.75-2.0 cu. ft.

  • For rock, i actually have 2 seperate 12's in slot port boxes i built facing forward. Facing forward reduces a little resonance and spl, but keeps alot of that annoying rattle off your tag lol

    Hope this helps :)

    Dec 10, 2008 | Alpine Type-R SWR-1242D Car Subwoofer

    1 Answer

    Help!!!!


    I would say any decent pair of 12" or 15" (single 4 ohm voice coil) subs that can handle at least 500W rms would work. The rest is going to be based on cost, type of box, type of music, etc.

    Feb 20, 2008 | Alpine MRD-M1005 500W x 1 mono subwoofer...

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