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Second Skin Audio

Help with trunk box SSA XCON 15!


Fireitup

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Posted

So 4 cubes 32Hz on your dims:

Enclosure Specifications:

Fb = 32 Hz
Vb = 4 ft^3


External Height = 16 in
External Width = 33 in
External Depth = 23 in

Port Width = 4 in

Cut Sheet List:

* All Dimensions in Inches.
* Wood Thickness is 3/4 for all Parts.

External Enclosure Parts:

2 x Front & Back (3 parts) = 33 x 16

Left & Right Sides = 20 3/4 x 14 1/2

Top & Bottom = 33 x 20 3/4

L Port Internal Assembly Parts:

Front to Back = 16 3/4 x 14 1/2
Extension = 6 13/16 x 14 1/2

Assembly guide (generic dimensions):

PFSFDB-bracedB.jpg

Great low end with those XCONs!

Posted

The only reason I need it at 16, do I can fit it to the back of the seat. Trunk opening into the cabin is only a little over 16.

The above is now changed to 16" H. The sub barely fits and is not too good having the box walls so near of the driver but if you really need it that way then ok.

Posted

Thx again Joe. Will make it this way to make out an easier build. If it sounds bad I will have to figure out a way to fit it through the opening. Maybe a design with the face and front of port slanted backwards to allure more surface to mount.

Posted

Ok after some measuring today, the box height can be no higher than 15. Can the program you are using do wedge shaped enclosures?

The only reason I need it at 16, do I can fit it to the back of the seat. Trunk opening into the cabin is only a little over 16.

The above is now changed to 16" H. The sub barely fits and is not too good having the box walls so near of the driver but if you really need it that way then ok.
Posted

Ok after some measuring today, the box height can be no higher than 15. Can the program you are using do wedge shaped enclosures?

The only reason I need it at 16, do I can fit it to the back of the seat. Trunk opening into the cabin is only a little over 16.

The above is now changed to 16" H. The sub barely fits and is not too good having the box walls so near of the driver but if you really need it that way then ok.

Not really but Torres can, also on a slanted baffle is hard to do a slot port and predict tuning accurately unless the port is not on the baffle but firing to the side for example.

It is not really a requirement that the baffle fit the opening exactly, is more important that the port have breathing room in front of it, in fact in many cases moving the enclosure towards the back improves performance and most of the times firing backwards boosts performance in not sealing off.

Posted

Fire backwards port forward would be the same pain to figure out tuning?

Firing sub and port to opposite sides can easily produce bad results and is infrequently used for daily setups, is mainly used for burp boxes. If you can fit the 16H box above regardless of the size of the opening, that's what I would do and try it firing both forward and backwards to see what works best in your case.

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