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Subwoofer Cabinet Design Software
MobileDesign 1.2 (Windows Version)

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Subwoofer Cabinet Design Software

This is a Windows application that consists of a ZIP file. Download the file and decompress the file using a ZIP utility.

This new version adds the ability to calculate simple Bandpass 4th order (single reflex bandpass) designs.

Print the following instructions via your browser...
Installing Mobile Design

This program is equipped with an installation utility. To install the program, double click on the setup.exe file. This program will install all of the necessary files on your hard drive. Once you have done this, you may run the program from the directory named "mobile" on your hard drive.

When you complete this installation, you will have a program group and an icon that you can click on to automatically start the program.

To set up in this way, run Windows and go to the Program Manager. Click and hold on the File menu, drag down to New and release the mouse button. This should bring up New Program Object. This window will contain Program Group and Program Item. You should start out on Program Group.

Click on OK, and this should bring you to the program group properties. The top line will ask you for a description. This is where you name the group Mobile Design. Type in the name and click on OK.

This should give you a blank window with no icons in it, displaying the name you assigned to it in the top of the window.

Now hold down the Alt button on your keyboard and double click on your mouse while you hold down the Alt button. This should bring up a window titled Program Item Properties. The top line will ask for a description. Again, name the icon with Mobile Design. This name will appear under the icon. The next line is the command line. This line is important, because it tells the computer where to look for your Mobile Design program. You should type in this for the command line: C:\MOBILE\MOBILE.EXE. The next line asks for a working directory, simply type in: C:\ . This tells the program to use all the files on your hard drive to run the program. If C is not your hard drive letter, make sure to change the letter in both command lines.

Once you have these lines complete, click on OK. This should display the pre-programmed icon built into the program. This should also place the icon in the window that you have already created. Click on the icon, and the program should run and bring you to the opening page of the Mobile Design program.
Using MobileDesign 1

This program requires that you have a basic knowledge of speaker physics. There are no help files for this program since they are not needed. The program itself is very common in behaviour to other cabinet design systems.

Run the program from either the icon or under file manager where you installed the program, and this will bring you to the startup screen. Click on OK, and 3 small icons in the upper left corner of the window will become active.

The leftmost icon is to design either a ported or sealed enclosure. You must first decide on the type of speaker you will be using, then you must know the required Thiele/Small parameters to be able to accurately design an enclosure. You can also decide on how many speakers you will be using. With two speakers selected , you can select either acoustic coupled or isobarik style. If you choose only one speaker, both options are dimmed. If you choose three or more speakers, the default is Acoustic Coupled.

The second icon is used to calculate box volume. You will know how much cabinet internal volume you need after you have been through the initial design program. Type in the volume required, and measure the automobile to determine the largest cabinet size. Plug these numbers into the fields, and the program will compute the volume you have with the supplied measurements. If you don't have enough volume, then make one or more of the measurements larger to get more volume, or design a different cabinet. Remember that these are inside measurements you are using in the design , so you should remember to subtract the thickness of the wood.

The third icon is a handy conversion program that will allow you to convert from cubic feet to cubic inches. You can also go from liters to cubic feet. This is helpful if you have speaker specifications that are not compatible with the units of measure you need to enter into the program.

The fourth icon is a print manager icon that is not yet active in the current version of the program. In future versions, this icon will allow you to print a hard copy of the results in your design.

The fifth icon is a question box which displays the phone numbers to Mobile Dynamics if you have problems that you can't resolve.

The sixth icon is to open a help file on the program. In the current edition, this box is not active as the program is fairly self-explanatory. Later versions will include help text for the program.

This program is designed using the same Thiele/Small parameters and formulas used in classroom sessions at Mobile Dynamics Installation Schools. You should get the same results with this program that you would get by performing the calculations manually.

Future upgrades will be released in Mobile Design 2, and will include a speaker parameter library, bandpass enclosure design, and crossover design.

To learn more about subwoofer cabinet design visit our Mobile Dynamics Programs page.
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