KeepItLow91 Posted August 26, 2011 Report Share Posted August 26, 2011 I recently saw a thread where someone said for a DC XL 15" you want close to 15 inches of port per foot and 50-80in² of port area. And seeing how I'm only giving it 1200 watts, I wanted the box to be around 4.30 Cu. Ft. to make it more efficient. I'm wanting to tune around 32hz but I can't find a way to get the recommended port and desired box size out of the dimensions I have. Hopefully this won't turn into a back-seat system DC XL 15" with a DC 1200 watt amp. Max Dimensions - 17" tall, 33" Wide, 21" Deep Quote Link to comment Share on other sites More sharing options...
HazeGrey75 Posted August 27, 2011 Report Share Posted August 27, 2011 You should go with the lvl 4 on that power. IMO 3.5 in big enough Quote Link to comment Share on other sites More sharing options...
CJ18 Posted August 27, 2011 Report Share Posted August 27, 2011 I would go with the Level 4 with the Level 5 upgrade unless you plan to upgrade to a bigger amp. Quote Link to comment Share on other sites More sharing options...
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