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Second Skin Audio

Advice on skar evl 18


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  • Information given by skar audio
  • Sealed Volume: 3.00 ~ 3.50 ft^3
  • Ported Volume: 3.75 ~ 4.50 ft^3
  • Port Area: 55.5 sq. in.
  • Port Length: 29.5"
  • Tuning Frequency: 31 Hz
  • Displacement: 0.17 cu ft
  • Mounting Depth: 10.10"
  • Cut-Out Diameter: 16.75"
  • Magnet Diameter: 7.35"
  • Dual 2 Ohm Coil Configuration
  • 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: 20-300 Hz
  • High Roll Foam Surround
  • Sensitivity: 88 dB
  • Fs: 37 Hz
  • Re: 1.8 Ohms
  • Qms: 5.65
  • Qes: 1
  • Qts: 0.85
  • Mms: 424g
  • Cms: 0.042mm/N
  • Bl: 20 n/a
  • Vas: 81 L
  • Sd: 1164.1cm^2
  • Xmax: 23.5mm (one way)
  •   I seen on another post where people were stating having a port area of 100 sq in +   I just need guidance from someone before I build the box.  I'm open to suggestions.  I have built alot of boxes before but they were for fi btl n2 15s and 18s and I never used a parameter sheet.  We measured the area and made the boxes huge, port huge and tuned low (28-30hz)     I will be putting a single skar evl 18 in a hummer h3 so space is pretty open and I will be powering the sub with a audiopipe 1500.1 at 1ohm. 
  • Please give the total cubes you would run and the port area you would build please. (Plan to tune to 30hz)
  • P.s. I will not lie, I don't understand 90% of the parameter sheet. My box building experience amounts to using a app to measure the box and to tune it and anything past that, imma dumbass 
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