Made a scaled down Wicked One, for use as a home theater sub. Used Dayton 6 1/2 inch woofers and sub amp from Parts express. Very satisfied with the performance.
It's basically a 24 by 18 inch, by 9 1/2 inch (outside dimension) Wicked One box. Throat internal dimension is scaled by a factor of 24/36. I.e., 2 inch - 0.75 inch thck wall = 1.25 inch, the internal dimension, is then reduced by 24/36, gives about 0.83 inch. So, 0.83 + 0.75 = 1.58 inch is the scaled down "2 inch throat dimension" on the original plan. Internal depth is scaled by the same factor, 24/36 * 12 inch = 8 inch.
The sub is firing downward, with about 2" gap from the carpet, supported on four spikes. I'm amazed at the low frequencies I hear from my receivers LFE output, through these small woofers. Doesnt have a whole lot of power handling, but still plenty enough for my small home theater room.
Chamber volumes are designed as a 4th order bandpass, with Fl set at 49 Hz. This allowed a pretty close match for the vented chamber volume of my scaled down box, but required that I place an internal baffle in the sealed chamber to reduce to match my design volume.
Spreadsheets, AutoCad, and my Sears $120 table saw made this design go fairly smoothly. Finshed it in about 3 nights.
I've been lurking around here for some time, reading up on other's good and bad experiences making scaled down Wicked Ones and WO32s. Couldn't afford the space for a full size, so i went with what I could.
Parts include:
-3/4 inch cabinet grade plywood (i didnt use MDF because of all the dust, but I sure did miss the machinability...I also made a scaled down Wo32, with MDF, with poorer results)
-Dayton DC160-8 6-1/2" Classic Woofer
http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=295-305-Dayton SA25 25W Subwoofer Amplifier
http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=300-782-Acousta-Stuf Polyfill
http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=260-317-Dayton VL218-BA Black Ash Vinyl Laminate
http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=261-610-Dayton DSS4-CH Chrome Speaker Spike Set
http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=240-716-wood glue and cabinet screws
-16 gage speaker wire
-some solder
Pictures posted here:
http://www.freewebs.com/chuck827/apps/photos/album.jsp?albumID=2170356