The YouTube channel Make Something, has shared a video tutorial about this project. After you’ve assembled your tools and materials, it shouldn’t take more than a few hours to complete.
You can assemble this speaker by switching over the speakers, wires, and terminals from another speaker or go with a DIY speaker kit for less than $100 that has everything you need and will sound much better than old speakers.
Here’s the tutorial with photos and explanations of each step. A table saw, jigsaw, drill press, and nailer will help make the construction process go faster, but you can always substitute other tools in place of these. Just make sure your box is square and your speaker circles are perfectly round.