[1st build] Ported enclosure help for single SoundQubed HDS3.112


CarAudio.com Newbie
Mar 20, 2019
I need some help with my first enclosure build. Pardon the inexperience. I've done a bit of research. I've been trying to figure out this basic design for a month now. I've tried WinISD but I can't for the life of me grasp that at this point. This being my first build, I want it as basic as possible. I'd love to keep my cuts (dimensions of MDF) as simple as possible as well. This will be powered by a SoundQubed S1-1250 @ 1ohm. 

Sub specs - https://soundqubed.com/hds3-1/

Vehicle : 2013 Hyundai Sonata

Location in the vehicle: Trunk

Space available (Length x Width x Height): 30" W x 14" H x ~any" D (I have wiggle room on depth. decent size trunk)

Subwoofer make and model: SoundQubed HDS3.112 D2

Subwoofer Size: 12"

Number of Subwoofers: Single

Type of Port (Kerfed, Slot, Aero, etc.): Slot? Something easy.

What type of music do you like?: Everything but LOTS of rap and deathcore

Is your goal SPL or Everyday Music?: Can I have a bit of both?

Tuning Freq (Hz): ?  32hz I guess?

Volume : ~2ft^3 or larger

Questions: So I've tried my hand at WinISD but am having trouble with it. I tried subbox.pro and came up with this design - https://subbox.pro/en/b/anwchHHKJ. Is that website worth my time? This box is supposedly 2ft^3 @ 32hz. 



Dec 8, 2017
Car audio fabrication has a good video on how to use Winisd so does 123toid probably a few other YouTube videos out there 



Smoke weed everyday
Sep 30, 2009
Banging gears and passing queeers
Winisd does not model accurately below 50hz because it can't do cabin gain.

Rap and deathcore are 2 vastly different types of music, there will have to be a compromise somewhere. You will either have to compromise on low end extension or transient response. 


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