Car Speaker Box Plans
There are quite a few different enclosure design software programs out there. The prices range from free to $1,000+. For most designs that the novice box builder will attempt there are a few I could recommend:
Speaker Box Calculator Software
Get help for the Speaker Volume Calculator Use the Speaker Box Designer to determine the correct Speaker Box Volume for Your Driver Use the Driver Displacement. Information about the End Correction Factor (k) In acoustics, end correction is a short distance applied or added to the actual length of a resonance pipe, in order to calculate the precise resonant frequency of. We can provide you with comprehensive Subwoofer Box Design Software for creating a high performance bass box. Build a ported box, sealed box for your low-frequency speaker. Make a subwoofer enclosure plan. Calculate speaker box volume, port length and other parameters without getting confused in formulas. The full driver-box model as implemented here includes individual control of absorption, leakage and port losses and the effect of each can easily be observed. Furthermore, new graphs commonly not shown includes the sound pressure level produced by the leaks, speaker impedance and step response. UniBox covers the following box types.
WinISD - WinISD is made available by LinearTeam. It's a very highly rated, free program for Windows. There is also an online version which isn't as full featured but can be run on any operating system through a web browser. This can be helpful for Mac/Apple users since MacSpeakerz has been discontinued.
Blaubox (click to download) - Blaubox has been around forever it seems. Created by Blaupunkt, it's a DOS program which may cause some run problems with the newest 64bit versions of Windows (try running it in 'compatibility mode'). It's free and definitely worth checking out. It even prints out the cut sheets for your car subwoofer box plans. If you still have trouble running it in compatability mode I'd recommend using a DOS emulator such as DOSBox. It's free and relatively uncomplicated to use.
DISCONTINUED MacSpeakerz - For the Macintosh users without a PC emulator there is a program out called MacSpeakerz. I haven't used it personally but it's fairly popular and virtually the only program made for the Mac. Provided by TrueAudio DISCONTINUED
You should also check out Advanced Enclosure Design and Fabrication. It covers designing enclosures using free computer software, maximizing the output of a subwoofer system, building the box like a pro and testing the output using inexpensive equipment. Click here.
Subwoofer Box Design Calculator
Now that you've seen what's available let's take a look at some of the subwoofer enclosure plans I've created using the software.