Enclosure bracing

[bigbud747 10+ year member]

I'm going to be building a box for a friend that will house 2 Fi Bl 18's. The box will have a final displacement of 14.94 cubes, with 2 6" aero port tuned to 32 hz. The box dimensions will be 18" deep, 49" wide, and 37" tall, with a notch cut out of the back to clear a hump in his truck. The front will be made of 3 sheets, with one of them being a flush mount sheet. And with the box being only 18" deep, I was wondering what kind of bracing I need, if I need any at all?

Thanks

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[IDSkoT 5,000+ posts]

Yeah. Definitely get bracing.

EDIT: For clarification, a nice + would work. if you want, you can get eccentric and make it hold the driver.

 

[Trixter 10+ year member]

3 sheets is not necessary for the front....this could give you a little more volume...then you could add more port area....2 6" is not that much for that set up....maybe 2 6" for one 18"..

as for the bracing Q...threaded rod with washers and nuts would work well. it will take up little space. maybe even 3/4" or 1" wooden dowels. 3/4" "framing" on the inside of the largest pannels....kinda line 2x4's in a wall....just tossing out ideas here....