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Second Skin Audio

box for two dc lvl 4xl


faralint

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Really tight, side port:

Enclosure Specifications:

Fb = 35.3 Hz
Vb = 7 ft^3

External Height = 15.75 in
External Width = 40.125 in
External Depth = 29.125 in

Port Width = 7 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) = 40 1/8 x 15 3/4

Left & Right Sides = 26 7/8 x 14 1/4

Top & Bottom = 40 1/8 x 26 7/8

L Port Internal Assembly Parts:

Front to Back = 17 3/4 x 14 1/4

Assembly guide (generic dimensions):

SFPFNTSide_zps185365c2.jpg



Important notes:

- The 45s if you want to do them are 2 1/2" wide except the one/ones inside the port, if you want that let me know.

- All trunk boxes built outside the car need to fit in their way in not just have the right dimensions.

- The port needs 7" of free airspace in front of it for proper operation.

- Setting your amp subsonic filter to 28Hz is suggested.

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Really tight, side port:

Enclosure Specifications:

Fb = 35.3 Hz

Vb = 7 ft^3

External Height = 15.75 in

External Width = 40.125 in

External Depth = 29.125 in

Port Width = 7 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) = 40 1/8 x 15 3/4

Left & Right Sides = 26 7/8 x 14 1/4

Top & Bottom = 40 1/8 x 26 7/8

L Port Internal Assembly Parts:

Front to Back = 17 3/4 x 14 1/4

Assembly guide (generic dimensions):

SFPFNTSide_zps185365c2.jpg

Important notes:

- The 45s if you want to do them are 2 1/2" wide except the one/ones inside the port, if you want that let me know.

- All trunk boxes built outside the car need to fit in their way in not just have the right dimensions.

- The port needs 7" of free airspace in front of it for proper operation.

- Setting your amp subsonic filter to 28Hz is suggested.

Thank you! can i place the port in center of the box?

And last question :) Port and sub directed to the front will work well in a sedan?

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Yes it can work port/sub front, try to seal off, the box needs to be so big that it would not work well aiming back.

The reason I went with port tho the side is that saves space, I can give you a spec for port in the middle if you prefer that, the main problem with port side is when there's car bracing right in front of it, also bear in mind the notes below the pic.

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Here is a center port version (tighter spec due to the extra panel needed):

Enclosure Specifications:

Fb = 35.4 Hz
Vb = 7 ft^3

External Height = 15.75 in
External Width = 40.125 in
External Depth = 29.125 in

Port Width = 6 3/4 in

Cut Sheet List:

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

External Enclosure Parts:

2x Front = 16 11/16 x 14 1/4
2x Front Internal = 15 3/16 x 14 1/4
Back = 40 1/8 x 14 1/4

Left & Right Sides: 27 5/8 x 14 1/4

Top & Bottom = 40 1/8 x 29 1/8

Shared Port Internal Assembly Parts:

2 x Front to Back = 17 1/2 x 14 1/4

Assembly guide (generic dimensions):

T-SFPFDBNoturn-1.jpg


Important notes:

- The 45s if you want to do them are 2 1/2" wide except the one/ones inside the port, if you want that let me know.

- All trunk boxes built outside the car need to fit in their way in not just have the right dimensions.

- The port needs 6 3/4" of free airspace in front of it for proper operation.

- Setting your amp subsonic filter to 28Hz is suggested.

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damn. that box is smaller than I thought. I just posted a thread considering 2 12" xl's only b/c of box size. The box I have now is 33" x 16-1/2" x 21" and barely got into the trunk. Now this box is like 8 inches longer and that may be a problem getting it in. I'll check tomorrow. sry to thread jack. good luck.

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Here is a center port version (tighter spec due to the extra panel needed):

Enclosure Specifications:

Fb = 35.4 Hz

Vb = 7 ft^3

External Height = 15.75 in

External Width = 40.125 in

External Depth = 29.125 in

Port Width = 6 3/4 in

Cut Sheet List:

* All Dimensions in Inches.

* Wood Thickness is 3/4 for all Parts.

External Enclosure Parts:

2x Front = 16 11/16 x 14 1/4

2x Front Internal = 15 3/16 x 14 1/4

Back = 40 1/8 x 14 1/4

Left & Right Sides: 27 5/8 x 14 1/4

Top & Bottom = 40 1/8 x 29 1/8

Shared Port Internal Assembly Parts:

2 x Front to Back = 17 1/2 x 14 1/4

Assembly guide (generic dimensions):

T-SFPFDBNoturn-1.jpg

Important notes:

- The 45s if you want to do them are 2 1/2" wide except the one/ones inside the port, if you want that let me know.

- All trunk boxes built outside the car need to fit in their way in not just have the right dimensions.

- The port needs 6 3/4" of free airspace in front of it for proper operation.

- Setting your amp subsonic filter to 28Hz is suggested.

look great, thank you!

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