Help checking a box design for 2 sundown SA-10


Junior Member
Aug 30, 2017
Hello all. need some help with a box design.

My car was totaled and I want to build a new box to fit in my new van. I haven't build a sub box in about 10 years now, so I'm a little rusty on the math. The box is for 2 sundown SA-10. If I'm using all these online calculators correctly, I'm at about 1.3 Cubic ft per sub tuned to 35ish? Attached is an image with dimensions if someone could just check the math and let me know if this is good to go. And any insight on the design would be awesome, as i haven't messed with this in a long time. I'm off from work tomorrow and want to build this thing.

Sundown 2-10s.jpg

View attachment Sundown 2-10s.skp


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