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Need help with a Sundown Audio SD-12 ported box!


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I have an SD-2 12" Subwoofer and plan to build a nice box. This will be my first box to build and need a bit of help with the design aspect/dimensions input. It is a D2.

Here are the dimensions:

Fs: 36.8 Hz (I want to tune to about 32)

Re: 4.0 ohms

Qms: 6.06

Qes: 0.58

Qts: 0.53 |

Cms: 0.08 |mm/N

Mms: 225 g

BL: 18.9 NA

Vas: 30.2 L

Sens: 86.0 dB 1w/1m

Le: 2.63 mH

RMS: 500 watts

I'm not positive how to calculate the rest that I need, and even then design the box.

Thanks, guys. I really appreciate it.

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What's your vehicle, what are your max dimensions, what amp are you going to use? You need to find out if your sub is D2 or D4 as well.

"Nothing prevents people from knowing the truth more than the belief they already know it."
"Making bass is easy, making music is the hard part."

Builds:

U7qkMTL.jpg  LgPgE9w.jpg  Od2G3u1.jpg  xMyLoO1.jpg  9pAlXUK.jpg

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So here is a suggestion, power: to sub rated, amp subsonic filter to 28Hz, minimum port clearance 2 1/4", figure is just an assembly guide:

NOTE: If building outside you need to build a cardboard dummy box to test fit in it's way inside.

sd2.jpg

1SFPFno45s_zps74ec662c.jpg

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I know this may be sad, but we all started somewhere.

How exactly do I read that?

And also how would I apply those things to build a box?

If you mean my post above, you just start where it says "cut sheet list", cut those parts listed to the dimensions specified using 3/4" MDF and then assemble them like in the figure.

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