J_Bird Posted September 29, 2010 Report Posted September 29, 2010 What is the best way to position a dual 12 ported box in the backseat of an extended cab Sierra? The box is approx. 14" high X 31" wide X 25" deep. 2005 GMC Sierra Ext Cab Optima RedTop Battery Alpine CDE-9874 Head Unit 2 Rockford Fosgate T1 12's 1 Rockford Fosgate T500-1bd Amp 4 Rockford Fosgate Power Series Coaxials (Factory Sizes)
Hugh G. Rection Posted September 29, 2010 Report Posted September 29, 2010 What is the best way to position a dual 12 ported box in the backseat of an extended cab Sierra? The box is approx. 14" high X 31" wide X 25" deep. depends on the sub and port locations. Owner of BigAss Ports
J_Bird Posted October 1, 2010 Author Report Posted October 1, 2010 depends on the sub and port locations. the ports are in the middle of the box. It's 2 separate chambers one for each sub. Right now I have the box on the "back" where the subs are facing straight up and it sounds pretty good. Lot of roof rattle though and i can't afford sound deadiner right now. 2005 GMC Sierra Ext Cab Optima RedTop Battery Alpine CDE-9874 Head Unit 2 Rockford Fosgate T1 12's 1 Rockford Fosgate T500-1bd Amp 4 Rockford Fosgate Power Series Coaxials (Factory Sizes)
Sanitarium Posted October 1, 2010 Report Posted October 1, 2010 subs up port up is your best bet. Deal with it till you can afford $20 for sound deadener.
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