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Build A Pair of Stereo Speakers

Step 3Designing the Box: Part 2: Dimentions

Designing the Box: Part 2: Dimentions
After approximating the box volume, we can then figure out its dimensions. Carefully considering the sizes of my woofer and tweeter, i came up with the following dimensions for the box:

10.0" across X 10.0" deep X 16.0" high = 1600 cubic in or 0.926 cubic ft

This is an over estimation because the walls of the box have thickness. Ideally the box should be slightly larger, but for my situation, i am not trying to make the most perfect sounding speakers, but the most convenient. Its close enough to 1 cubic feet for me.

I have drawn up some diagrams that show dimensions of the boxes that will be constructed. They are a bit small when viewing them in instructable's photo viewer so here are links directly to the jpg images.

Front View ............................... Side View ............................... Top View ............................... Complete View

Either click to zoom or Press ctrl and scroll up or down with the mouse to zoom in or out (this shortcut is very useful in many other apps too) It may be a good idea to open them up in a new tab/window for easier viewing (right click -> open in new tab)

My diagrams were made using adobe illustrator which worked like a charm. I recommend drawing diagrams like these for your speakers because it helps to clarify exactly what pieces (sides) you need and how big each needs to be.

In my case there will be 4 different sizes:
1) The front piece: .......................... 10.0" X 16.0"
2) The back piece: ......................... 8.50" X 14.5"
3) The top and bottom pieces: .... 10.0" X 9.25"
4) The two side pieces: ................ 9.25" X 14.5"

0.75" thick particle board will be used for all pieces. We are now ready to go out and buy some particle board. (Make sure to get a piece big enough to be cut up into all the smaller pieces)

In the next step we will cut each side to its corresponding dimensions and route the holes.
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1 comment
Feb 26, 2012. 9:35 AMMr. walrus says:
i would imagine using mdf for speakers, and not particle board
http://www.diyaudioandvideo.com/FAQ/Build/

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Author:billbob