The driver holes were rough cut by the cabinet shop. I finished the driver cutouts by hand to provide a snug fit to the driver frame.
You can't see it, but the side pieces have 1/4" rabbet down the long edges.
Here's where I deviated from the "DIY" concept. Not being a woodworker, and lacking some of the better tools and skills needed to do this right, I went to my local cabinet shop, and had them cut the MDF, plywood and the 1" square fillet/brace material.
This included rough cut driver holes. I finished the driver cutouts by hand to provide a snug fit to the driver frame.
The pre-cut pieces:
| The whole lot: | |
| The front, back and side pieces:
The driver holes were rough cut by the cabinet shop. I finished the driver cutouts by hand to provide a snug fit to the driver frame. You can't see it, but the side pieces have 1/4" rabbet down the long edges.
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| The top &bottom pieces (with 3" terminal cup cutout), and plywood baffle brace pieces. | |