Posted May 3, 201114 yr I just bought a 15" fi btl dual 2 ohm off of craigslist. The box that came with it is obviously way too small and tuned to high. I was wondering if anyone could help me figure out what size of box and all that stuff I need to get what I want out of it. The current box is 19"x18x17" that's about 3 cubes and inside that enclosure is half port and the speaker. Way too small. It lacks lower end very much.Im running it off of a autotek ss1500 at 1 ohm.I want it to be audibly loud and hit as hard as possible. I have built many boxes but just want to really make sure this one comes out really well. Any suggestions would be appreciated. Thanks.
May 3, 201114 yr The Fi cutsheets here on this forum might be someplace to start BTL Cutsheets thats 4.0 ft^3 @ 32hz. Might be what your looking for.
May 3, 201114 yr SSA has some dimensions as well. Under the tech tab at the top. Theyre all tuned to 30hz if I remember right. You dont necessarily have to tune to 33hz like the cut sheets say its really your preference
May 3, 201114 yr Author If I 45 all the corners will it throw the tuning off by alot? Should I add another inch to the depth to compensate or something?
May 4, 201114 yr For rap you should be fine at 32. I personally tuned to 35 but its all preference. Theres lots of info on that here just search around
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