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After much time studying the information available on the web, I chose an Atlas 15 as the driver. The plate amplifier I chose is the Parts Express 240 watt (300-804).

This web site will document the process and procedures I used to build the box.

I used the 24 inch cube with two 4 inch precision ports design that was suppiled by Chad of Ascendant Audio.

The box I built has a few minor modifications. The design is a downward firing design, I built it as a front firing box. Additional modifications were the addition of a grill, the substitution of a skid plate for the feet, and moving the speaker down by 1/4 inch from the edge of the box to allow for the grill.

Total cost for this project was $501 with the cherry veneer. If a painted downward firing box were built I would estimate the cost to be about $427.

I am pleased with the resulting sound, but am not a true audiophile. I have achieved 114 dB to date with headroom to spare and listened to the BBC Philharmonic on it with good results.


Introduction
Home Introduction Project overview Bill of Materials & Costs Material Properties Cutting Holes T Nuts Manufacturing the parts Cut List Top and Bottom Pieces Brace preassembly Assembly of Box Precision Ports Preparing to Finish Finishing Final Assembly Grill Final Product	After studying the prices of available manufactured subwoofers and the subwoofers one can build, I came to the conclusion that one can get a much better subwoofer for the money by buying the components and building a box. After much time studying the information available on the web, I chose an Atlas 15 as the driver. The plate amplifier I chose is the Parts Express 240 watt (300-804). This web site will document the process and procedures I used to build the box. I used the 24 inch cube with two 4 inch precision ports design that was suppiled by Chad of Ascendant Audio. The box I built has a few minor modifications. The design is a downward firing design, I built it as a front firing box. Additional modifications were the addition of a grill, the substitution of a skid plate for the feet, and moving the speaker down by 1/4 inch from the edge of the box to allow for the grill. Total cost for this project was $501 with the cherry veneer. If a painted downward firing box were built I would estimate the cost to be about $427. I am pleased with the resulting sound, but am not a true audiophile. I have achieved 114 dB to date with headroom to spare and listened to the BBC Philharmonic on it with good results.
		Copyright 2005, Trtinkerer