Down Firing Sub

[tj1320 10+ year member]

I have a Kicker S12L7-4. The sub will be in a sealed 1.5 cu. ft. box behind the front passenger seat in a small 4 door car (Plymouth Acclaim). I used to have an extended cab Chevy full size truck with 2 12" Kicker Comps down firing to the floor in place of the back seat. I got virtually no distortion this way and it slammed hard so do you guys think I could do it again in a small car? I would say the car has a little less interior space than the truck did. Also, how much space needs to be between the sub's surface and the floor? IIRC, I had about 6" between the subs and the floor in that truck. Should I angle the box instead of having the sub fire straight down? Thanks.

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[tj1320 10+ year member]

I know firing subs downward is rare but I seem to remember it sounding good in that truck.

 

[tj1320 10+ year member]

Screw it, I guess I'll just try it and see.