You can build a twin 12-inch subwoofer box yourself with the proper tools. A subwoofer is a large speaker that is designed to produce bass. Subwoofers need to be hooked up to a power amp to provide the power they need. Subwoofers come in different diameters to fit any application. These instructions are for a dual 12-inch subwoofer box but can be adapted for different sizes.
- Skill level:
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Things you need
- Tape measure
- Circular saw
- Wood glue
- Power drill with tip
- 1 1/2-inch grabber screws
- Masking tape
Measure the space you have to fit a subwoofer box using a tape measure
Develop a cut-list for the speaker box. The front, bottom, top and back should be 1 1/2-inches less in length than what you want your box to be. The sides will butt-joint into these parts.
Draw all the pieces needed out on the 3/4-inch MDF. Cut the MDF so as to leave little waste using a circular saw. Label each piece with a pencil to avoid confusion during installation: You should have two sides, a top, a bottom, a back and a front. Confirm that all the parts are cut.
Drill three 1/8-inch pilot holes in both sides of the subwoofer box. These holes should be placed on the top and bottom of the sides.
Apply a thin line of wood glue to the edge of the bottom. Slide the side and the bottom into position. The edge of the bottom should butt-joint into the side. Fasten the two parts together using 1 1/2-inch screws and a power drill.
Apply a thin line of wood glue to the top and fasten together using 1 1/2-inch screws and a power drill.
Place a small line of glue on the edges of the back of the subwoofer box. Fasten the back to the subwoofer box using 1 1/2-inch screws.
Apply glue to the remaining edges of the subwoofer box and place the front onto the box. Attach the front to the box using screws and a power drill. Allow the box to dry before moving.
Assembling Subwoofer Box
Remove the paper template provided with your 12-inch subwoofer. Place the template onto the front of the speaker box and attach the template using masking tape.
Cut out the speaker hole using a jigsaw. Slowly cut the material to avoid chipping. Place the template where the second subwoofer will be located and fasten using tape. Cut out the second hole with a jigsaw.
Install the subwoofers into the speaker box. Fasten the speakers using the screws provided with the speakers and a power drill.
Speaker Cutout and Installation
Tips and warnings
- You may carpet the subwoofer box if you prefer.
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