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4 sundown sa 12s 97 ranger box help


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I currently have 4

Sa 12s running off a hifonics Brutus 2100.1 in a box I didn't build its 2 subs up 2 subs forward and 2 small slot ports facing up I was wondering what the best configuration would be for the new one I'm gonna build I want all 4 up and port but lack the space so I was gonna do 3 subs up 10 or 12 inch port up and one sub forward it did a 143 sealed with the current shitty box and I'm tryna at least get a 145-146 out of it with the new box any feed back would help I can go 48 across the truck 14 deep and as tall as needed jus tryna stay away from walling the truck til I can get

More power to compete in wall classes

8 sundown sa 12s walled
Saz3000 at .5
HO alt
All ofc Sky high wire
Alpine components
Rockford power mids

imagesCAA9EA5N_zps0f411022.jpga5ec9a01-b60c-4312-9001-236b48dfe6b0_zpsb01ef146-7fd0-47c3-90e9-f1a2d4595b03_zpsimagesCATNMRMV_zps66a8566a.jpg

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I have just enough room to fit the subs across the front but if I try a big l port on the top on either side the subs will be in the way if I did 3 forward one up I'd have enough room to put the port on top, or should I do one long port length wise across the top

8 sundown sa 12s walled
Saz3000 at .5
HO alt
All ofc Sky high wire
Alpine components
Rockford power mids

imagesCAA9EA5N_zps0f411022.jpga5ec9a01-b60c-4312-9001-236b48dfe6b0_zpsb01ef146-7fd0-47c3-90e9-f1a2d4595b03_zpsimagesCATNMRMV_zps66a8566a.jpg

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slot port or round port?

25d9cf71-fff8-4b67-a8f5-28c80d5ea859_zps7d3fe7f6-90c4-4939-b709-43f0e5812212_zps

2018 Honda Civic Sport Hatchback (build in progress)

NVX Sound Deadener (Front Doors)
Stinger FAST Rings

Stock Electrical

SSA Evil 6.5's Front Speakers
Stock rear speakers

MB Quart ONX4.80 speaker amp
Rockford Fosgate T-1500bdcp
DC Level 4 12" D1 @ 2-ohm
Box In Design Stage
Stock Radio
My Build Log

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Too little amplifier power, go towards 4K, here is a box suggestion on around the dimensions above aimed for output, it can be changed if needed:

Enclosure Specifications:

Fb = 35.8 Hz
Vb = 6 ft^3

External Height = 25 in
External Width = 48 in
External Depth = 15.25 in

Port Width = 8 3/8 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) = 48 x 25

Left & Right Sides =
Side 1 = 23 1/2 x 13
Side 2 = 24 1/4 x 13

Top = 38 7/8 x 13

Bottom = 48 x 13

L Port Internal Assembly Parts:

Top to Bottom = 15 1/8 x 13

Assembly guide (generic dimensions):

4x12SFPU_zps976bebe7.jpg



Important notes:

- The port needs 8 3/8" of free airspace in front of it for proper operation.

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

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