Box design for Audiopulse Axis 15 d2

[Harald Vegsund]

I recent purchased this sub(Identical to TC Sounds TC3000) and I would love to get some help with enclosure design(Joe X, Triticum??). Im powering it with a b2 MA2000.1. My dimensions are; 38 inches wide, 18 inches tall and 18 inches deep. I can go taller and deeper. All of this is going in the trunk of a Golf MKV. 

This is the specs I have managed to get of the sub;

*Re: 4.7 ohms (series)

*Fs: 22 Hz

*SPL: 87.4 dB 1W/1m

*Magnet weight: 225 oz

*CMS: 135 uM/N

*Mms: 390 g

*BL: 26.2 Tm

*Sd: 0.082 sq. m

*Vas: 4.45 cu. ft.

*Qts: .40

*Xmax: 30 mm

*Dimensions: Overall diameter: 15.51", Cutout diameter: 14.02", Mounting depth: 9.48".

 

Parameters 12″...............................15″ 

Qts 0.33.............................................. .......0.40 
Re (series) 4.7 Ω................................................. ..4.7 Ω 
Fs 25 Hz................................................ ...22 Hz 
Cms 125 µM/N............................................. 135 µM/N 
Vas 44 lit............................................... .....126 lit 
Mms 310 g................................................. ..390 g 
BL (series) 26.2 Tm...............................................2 6.2 Tm 
Sd 0.050 m²..............................................0. 082 m² 
SPL 85.2 dB................................................ 87.4 dB 

Specifications 

Voice Coil Configuration D2 | Q1 Ω........................D2 | Q1 Ω 
Mounting Depth 7.99″................................9.48″ 
Driver Cutout Diameter 11.16″..............................14.02″ 
Overall Driver Diameter 12.60″..............................15.51″ 
Magnet Weight 225 oz.............................225 oz 
Driver Weight 44 lbs...............................46 lbs 
MSRP $749.................................$849 

Performance

BL²/Re 140 N²/W.........................140 N²/W 
Xmax 30 mm.............................30 mm 
TLS: < 1% BL deviation 14 mm.............................14 mm 
Recommended Amplification 2500 W RMS.................2500 W RMS 
4th order reflex enclosure volume 1.2 - 2.1 ft³..................3.0 - 4.2 ft³ 
2nd order sealed enclosure volume 0.6 - 1.4 ft³..................2.0 - 3.8 ft³

[ShadeTreeMechanic]

Internal port or external? @JoeXxxrwsd @Triticum Agricolam 

Is that the right joex?

[Harald Vegsund]

Internal. Was thinking sub and port up or back.