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Click on the link to download the program(s).

Boxplot 3.0 is an easy to use shareware program for beginners, written by Rick Carlson. It can be used to design subwoofer boxes and crossovers.
 Win9.x - 250 KB

Blaubox can also be used to design subwoofer boxes.
 DOS - 215KB

Audiosoft, the developers of CALSOD now have a web site. You can download a demo, and if you have an older version you can download the updated user manual that you can read in Win9.x. This is the program I personally use, and it taught me a great deal about loudspeaker design.
DOS - 190 Kb

From  , creators of the most sophisticated design programs available.

Download demo versions of   (466 Kb) and  (249 Kb) from here.

LspCAD Lite
 The best shareware loudspeaker design program I've ever seen. Can calculate many types of subwoofer enclosures and crossovers.For advanced builders only. The parameters are all in metric, so if you need to convert your driver specs, go here. I have purchased a copy of LspCAD Standard, and I am very impressed. This is an excellent design tool and well worth the price of $129 for a registered version.
 Win9.x - 649 KB

  •  I purchased a copy of WinSpeakerz from True Audio. The only features I found in this program that were useful in the box diagrams to make it easy to build your box and the ability to model response of an enclosure inside a car. Other than these two things, this program was a major disappointment. Not recommended for $99.

Perfect Box 4.5 This one has been around for a while. I believe it was originally developed for Rockford Fosgate, but I'm not positive. Good subwoofer designs.
 DOS - 216KB

Juha Hartikainen has developed a free subwoofer box design program called WinISD. The feature I like best is the built-in database that has specifications for many loudspeaker drivers. This is still a beta version, but it is a great start. Win 9.x.

 If you need any other programs you can probably find them at one of the archives below.

There Are Many Other Programs Available Here From the founder of Rockford Fosgate, Wayne Harris.

Win Convert is a metric / standard conversion utility for Windows. It is loaded with nearly 900 conversion types and is highly customizable with a built in Conversion Manager.

Online Java/JavaScript Programs
Obsession Audio's Crossover & Enclosure Calculators & Formulas
Ishtek's Java Enclosure Designer - Does HORNS!!

 If you know of any another good places to get audio related software, or you know of another Java enabled site, tell me about it !!!



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