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HDC3 18 box design help !


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Hey , I just ordered a HDC3 18 to put in my Titan. I plan on putting it on a hifonics bxi2600 untill I get a better amp. I took my back 40% seat out behind my divers side and it's about 30 inches from back to the back of my seat and about 18 inches from side of door to the center "hump" on the floor. Not real sure on what I should do. Should I go sub up port up ? Looking to tune to 35 hertz. Any idea ? Thanks in advance. Looking to get back built before it comes in.

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Well, this is preliminar, sub flush mounted to the front, slot port up on a side:

Enclosure Specifications:

Fb = 35.062 Hz

Vb = 5.853 ft^3

Subwoofer Mounting = Flush Mounted

External Height = 30 in

External Width = 30 in

External Depth = 18 in

Port Width = 5 1/2 in

Cut List:

* All Dimensions in Inches.

* Wood Thickness is 3/4 for all Parts.

External Enclosure Parts:

2 x Front & Back (3 parts) = 30 x 30

Left & Right Sides = 15 3/4 x 28 1/2

Top & Bottom = 30 x 15 3/4

L Port Internal Assembly Parts:

Front to Back = 21 1/4 x 15 3/4

Other options can be explored, like aero ports, some brancing is necessary mainly front to back, let me know any questions and if you would need a pic of the design.

Edited by Joe X
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Imo with the AQ woofer's, especially with the 18, you'll be happy with the lows output from 38 hz. Unless you really want low lows at 35 hz(would limit your cubes, they like 6ish each)

That being said, here's a design with your max dimensions.

edit: forgot to mention I took into account sub displacement and double baffled, if you did supports it would raise the tuning a tiny amount

sub forward, port up

1.png

And the specs

2.png

Cheers!

Edited by Loslam

1997 Chevrolet Silverado Extended Cab, 350 Vortec

Things to come at some point...

Build Log: http://www.stevemead...2200ds-133-ohm/

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Sub up port facing cabin

The spot with least resistance LOL.

I would ground to a rubber dildo if it had less resistance than a run of 4/0 wiring.

how many poeple work there 3 or 4 lol

At crescendo HQ? probably 2-3

At the sweatshop in china? 30,000 children

No Engine

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