Kyle13130 Posted February 16, 2016 Report Share Posted February 16, 2016 Here's my box design so far for a SoundQubed HDC3 18" http://imgur.com/a/UyRxa Box Specs: 20.75H x 35W x 21.5D. Displacements used are .23 (Sub) and .05 (Dowel rod). 5.95 Cubic Feet @ 30.26 (Cubic feet might be slightly higher due to window). This also takes into account 3 baffles and port outside of the box. Port Specs: 19" total length 7.920" Inside diameter .240" thickness, PVC 12" outside flare diameter 49.24 square inches port area. Still deciding on an amplifier, should be anywhere from 1750-2250W. 1/0 OFC Big Three. 150 amp stock alt. XS Power battery to come later. I still might go slightly larger on the box, every 1" wider gives it .20 cubic feet to net. I know people use 45s in slot ports to smooth out air flow but should they be used in aero port boxes? If so should I just use a 45 for the corner next to the port or all 4 corners? Thanks guys! Link to comment Share on other sites More sharing options...
Hugh G. Rection Posted February 16, 2016 Report Share Posted February 16, 2016 Power needs to be known before a proper design can be done. As for the 45s, i wouldnt worry with them in this instance. Owner of BigAss Ports Link to comment Share on other sites More sharing options...
Kyle13130 Posted February 16, 2016 Author Report Share Posted February 16, 2016 Power needs to be known before a proper design can be done. As for the 45s, i wouldnt worry with them in this instance. Lets say middle of the road then right at 2k. Do you think 6.15 cubic feet (add an inch to width) would be a good size? Link to comment Share on other sites More sharing options...
DubNDodge Posted February 16, 2016 Report Share Posted February 16, 2016 45s aren't worth the effort. They are really only needed to keep the width the same in a slot ported design in the corners. '01 Dodge Stratass Sealed Trunk Build Log 2008 Honda Fit Sport Build Log On 10/3/2013 at 10:00 AM, ROLEXrifleman said: Anyone who says they knew everything they wanted out of life at 19 can go suck a bag of dicks cause they are lying to themselves or brought up in a cult. Link to comment Share on other sites More sharing options...
Hugh G. Rection Posted February 16, 2016 Report Share Posted February 16, 2016 Power needs to be known before a proper design can be done. As for the 45s, i wouldnt worry with them in this instance.Lets say middle of the road then right at 2k. Do you think 6.15 cubic feet (add an inch to width) would be a good size? Well to start with, i would not run 2k to this sub, as that exceeds manufacturers specifications. Manufacturer specifications are what they are for a reason. Owner of BigAss Ports Link to comment Share on other sites More sharing options...
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