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Need help finding the right size aero port. I’m new to using aero ports but would like to utilize one in this build. 

Will be building:

3.75 cubic ft enclosure 

single Skar EVL D2 running 1250 watts 

Any help would be greatly appreciated. 

Specs for sub:

Skar Audio EVL-15 D2 15" Competition Car Subwoofer

Dual 2 Ohm

RMS Power: 1,250 Watts

Peak Power: 2,500 Watts

Voice Coil Size: 3"

4 Layer Black Aluminum CCAW Voice Coil

Motor Weight: 166 oz

Frequency Response: 28-350 Hz

High Roll Foam Surround

Sensitivity: 86.2 dB

Fs: 35 Hz

Re: 1.8 Ohms

Qms: 4.60

Qes: 0.73

Qts: 0.63

Mms: 386.6 g

Cms: 0.053 mm/N

Bl: 21.0 n/a

Vas: 46.0 L

Sd: 779.3 cm^2

Xmax: 23.5mm (one-way)

Enclosure recommended specs:

Sealed Volume: 3.00 ~ 3.25 ft^3

Ported Volume: 3.50 ~ 3.75 ft^3

Port Area: 45 sq. in.

Port Length: 21"

Tuning Frequency: 31 Hz

Displacement: 0.15 cu ft

Mounting Depth: 8.65"

Cut-Out Diameter: 13.95"

Magnet Diameter: 7.35"

Enclosure specifications do not include subwoofer, bracing, and port displacement

 

Edited by Flipmo101

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Could you provide the dimensions you have available to work with?

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My box (outside) dimensions are 40w x 16h x 14.18d 

will be inverting my sub to save volume and originally planned on using an 8” (actual diameter 7.5”) x 21” long standard port which would put my recommended port area almost exact to spec 45sqft. Tuned to 31hz.

my issue is that, using this standard port, would require stick out of at least 14” due to the available space in my vehicle since I cannot exceed the box dimensions so my hopes is to utilize a flared port to counter this issue. 

Also, my port and speaker will be facing toward the roof as limited space requires this in my suv.

I hope that makes sense, thanks for the replies

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