Question about Kicker Solo-Baric L7 S15L72 Car Subwoofer

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

Need to figure out correct air space and port displacement for high and low range tones also for spl

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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

Posted on May 29, 2009

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I put 2 12 inch kickers in my mustang and its solid box. would it sound better ported?

Posted on Jan 09, 2010

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I HAVE A PORTED BOX FOR MY MTX 9500 AND DOES NOT SOUND GOOD OUTSIDE THE CAR.ITS IN A PORTED BOX. DO YOU THINK A SEALED BOX WOULD BE BETTER


In order to sound good, there are a lot of specifications that have to be considered when getting a speaker enclosure. You have to know the size, depth, displacement, SPL and other factors on the speaker, then you have to match it to the height, width, depth and porting of the box. So if this was not done, you will have muddy sounding audio.

Nov 18, 2013 | MTX Thunder 9500 T9515-44 Car Subwoofer

1 Answer

Subwoofer box specs for single 12" 2500 xtc


Magnat does not post the specs on any speakers! The construction of a speaker box means that you need to know what the following:
1. Diameter of the speaker
2. The tuning or resonant frequency of the speaker
3. The depth of the speaker
4. How much space the speaker frame displaces.
5. The thickness of the wood.
6. The bracing
7. The port (if you port it) needs specs for its displacement
8. The ports volume transmission factor.
9. Whether you want it rectangle, square or trapezoid.

May 06, 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

How much air space is need for a sealed encloser


are you sharing the air space or building a divider to give each driver its own air space

these speakers or not made for low end bass these woofer are meant for mid bass high bass
  • 6.5'' High Power Subwoofer
  • Non-Press paper Cone
  • Specially Treated Foam Edge Suspension
  • 1.5'' High Temperature Aluminum Voice Coil
  • Magnet Weight: 40 Oz
  • Impedance: 4 Ohm
  • Fs: 80Hz, Qms: 4.05, Qes: 1.3, Qts: 1.2, SPL: 87(dB), Vas: 6.8(Cuft)
  • Mounting Depth: 3"
  • Rubber magnet Boot Cover fers are
  • there is only 3 " of mounting depth needed i would build you door pannel out fiberglass a door pod and mount them on the door if you have a factory speaker there . then run to the amp and turn the x-over on to high pass and them use them as a mid bass driver up front for the front sound stage for get about them as a subwoofer get the lanzar 10's or 12's

    i mounted a set of ma audio 8" subs on my 03 s-10 door the speaker fit in the 6.5 location had to trime the door metal and space them out a little cause the 4.75 mounting depth.it worked and then i ran the them in 2 ohm stereo to my 4 channel amp and used the high pass crossover to run them as a mid bass driver works great for me . ma audio 500 watt dual 4 ohms 8" subs each i had 250watts to each sub.

    you could build a small enclosure just big enough to fit the 6.5 woofer you could build a dual camber enclosure like 8wx5dx8h internale air space would be 0.18

    15 wx5dx8h would give you 0.347 share the air space this is internal air space

    caraudioquestion@gmail.com

    Oct 16, 2010 | Lanzar MAXP64 Car Speaker

    1 Answer

    Hi i have a 15"w3-d4 jl audio sub,can anyone tell me what size antype box i should use ie sealed or ported and the box dimensions


    Hi,
    I've had a look at the JLaudio website and they recommend 2 box designs, a ported and a sealed.
    The sealed box needs a volume of:
    2.125 ft3 or 60.2 litres.
    To get this you would need to build the box to these dimensions:
    22" x 16" x 14.75" or 559mm x 406mm x 375mm
    The ported box needs a volume of:
    3.50 ft3 or 99.1 litres.
    To get this you would need to build the box to these dimensions:
    24" x 19" x 18" or 610mm x 483mm x 457mm.
    The port needs to be:
    3.0" x 10.9" or 76mm x 277mm.
    The enclosure recommendations listed above are external dimensions which assume the use of 3/4" (19mm) thick material. If you are using 5/8" (16mm) thick material, subtract 1/4" (6.5mm) from each dimension. Do not use any material with a thickness of less than 5/8" (16mm) as this may compromise the rigidity of the enclosure.
    • All enclosure volumes listed above are net internal volumes! Driver displacement, port displacement and brace displacement must be added to obtain the final gross internal volume. All enclosure dimensions above have already taken this into acount.
    • When using two subwoofers in a common enclosure simply double the required volume and, in the case of a ported enclosure, use two times the recommended port(s). Likewise, when using three subwoofers in a common enclosure simply triple the required volume and, in the case of a ported enclosure, use three times the recommended port(s).
    • We recommend the use of this speaker in a bi-amplified system using high-quality satellite speakers and a high-quality amplifier. We do not recommend the use of this subwoofer with a passive crossover (coil), as this type of device will adversely affect performance.
    As you can see it all depends on the space you have available, whilst the vented box will give you a more efficient bass responce especially with the low range frequencies.

    If you to go and look at the information about your sub woofer and find out all the information about building or buying the correct enclosure then this is the link to the pdf file I found:
    The enclosure info is on page 3:
    JL AUDIO 15W3 Tech Specs and box info.
    Warm regards
    Mike

    Oct 12, 2010 | Jl Audio 15W3-D4 Car Subwoofer

    1 Answer

    Low and High Service Port


    The high is between the compressor and the evaporator. The low is between the accumulator and the compressor.

    Aug 08, 2009 | 1991 Honda Accord

    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

    1 Answer

    High x-max vs. high sensitivity


    Sensitivity is a representation of efficiency. The higher the efficiency, the better the sound quality.
    Xmax is a measure of the "throw of the cone peak to peak. This is a direct representation of the volume of air the subwoofer will displace..
    A High X.Max subwoofer will displace more air - and therefore produce more SPL in a vented enclosure.
    Sensitivity on these subs aren't crucial, because the customer is looking for LOUD and will purchase a large class D Mono amplifier to power it - characteristically low in sensitivity as well due to the way the power is inverted. Highly efficient, yet low sensitiviy.
    I am definately a basshead! My show car has (4) 15" Cerwin Vega Stroker PROs. (one of the most highly EFFICIENT high xmax subs available) (86dB). (36-44mm Xmax (adjustable for SQ or SPL)
    ea141e4.jpg If you are looking for SPL, High XMax, Low sensitivity, and lots of power is the way to go. Generally, to increas SPL by 3dB, yuo must either increase surface area of driver 2x or double the input power. Slot ports, aeroports, and loaded horn ports can also increase your dB level by up to 3dB as well.
    Properly constructed enclosures have an effect as well. Instead of wasting some of your power on vibrating the enclosure, it should be braced properly to reduce the wasted energy.
    All of these tips will add tou your satisfaction of the product. You can make a $100 sub sound phenomenal in a proper enclosure, and a $400 sub sound like $hit in a prefab or poorly constructed one.

    Your original question - with all things equal except the subwoofer, the subwoofer with the higher Xmax should yield the most SPL - due only to the fact of air displacement.

    If you have additional questions or need clarification dont hesitate to ask.

    Jan 15, 2009 | Car Audio & Video

    3 Answers

    Subwoofer Box for four lanzar 15"


    what r u trying to do ?shake the car apart?Only kidding that a good questin 4 15: woofers in 1 enclosure>?what kind of enclosure ?how much space r we working with ? i use to be a installer , i also built costume boxes.I need to knoew how much space u have is it a car van,pick-up?I think an iso baric enclosure woukld be your best bet, it would take up the laest space. What frequency are you going to be runnig to your subs? what do you want? punchy bass,over the big tom drops?
    what amp r you running or should i say amps?
    you'll get the highest spl in a sealed enclosure,but i dont think thats what your looking for.you want heavy vibrating soud,am i correct? a band pass box will give that to you in a close space.bass sounds better and louder the further away you get../.give me more info then ill give you a layout.but 4 now this might help or solve your problem

    http://www.rockfordfosgate.com/rftech/woofer_wizard.asp
    they have all the wiring and p[hyschics and designs of boxes. rating please.

    Jan 25, 2008 | Lanzar OPTI1222D Car Subwoofer

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