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I'm wondering if this box will work for 4 SA 8v2's. First question, I've heard the v2 has too much motor force for a sealed box is that true? Second if the first is true, can I buy 2 4 inch aero ports for each side of the box? If I do that they will be firing out the side toward the doors if room allows for it. I plan on running 4 on a AQ2200d, or AQ3500. Also since the box is pre fab how would I go about figuring the tuning for that box with two 3 or 4 inch aeros? Thanks a lot!

http://subthump.com/Chevrolet-GMC-Sub-Boxes/Silverado-Sierra-Crew-Cab/07-Up-New-Body-Style-GM-Crew-Cab-Quad-8-Front-Fire-Box.html

2003 GMC Yukon Denali

Alpine CDA 117

Redoing Mids/Highs

4 Runs of 1/0 Knukonceptz 2+, 2-

4 Deka 9A31's in back (Stock underhood) 250 amp Alt.

AQ20K

2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port!

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Also it will depend if I can go ported or not if I get the 3500. It will be tuned with DD-1 with -5 track either way but if I go ported the enclosure is on the small side so ill over power them a little. If it stays sealed I'll run them with the 2200d since the enclosure will be too big on the sealed side.

2003 GMC Yukon Denali

Alpine CDA 117

Redoing Mids/Highs

4 Runs of 1/0 Knukonceptz 2+, 2-

4 Deka 9A31's in back (Stock underhood) 250 amp Alt.

AQ20K

2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port!

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Share on other sites

There won't be enough room in the chambers to fit two ports of either 3" or 4" per side.

You could fit a single 3" x 14" long to tune right around 35 Hz

A 4" port would be ~24.5" long so won't fit.

But yes, you are correct in that they won't work well sealed.

- Jacob Fuller

- Owner, Sundown Audio

- Sundown Audio on FACEBOOK

- Please DO NOT PM ME -- use my email address -- [email protected]

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Alright thanks! I think I found someone to build a box with fiberglass too get the proper space and tuning. Do the SA8's like a lower tuning? I was thinking around 31hz, from my experience that is my favorite frequency. I guess since it will be with aeros it won't be hard to raise/lower tuning if they don't like the lower tuning

2003 GMC Yukon Denali

Alpine CDA 117

Redoing Mids/Highs

4 Runs of 1/0 Knukonceptz 2+, 2-

4 Deka 9A31's in back (Stock underhood) 250 amp Alt.

AQ20K

2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port!

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Share on other sites

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