97EXPO Posted May 9, 2010 Report Share Posted May 9, 2010 tryin to work with box calculator on 12volt.com for 2 powerbass 3xl 15's walled in blazer. He wants port goin across top of box. Box 35 W, 31H, 23D says 12.29 cubes before subs and port. Port 33.5 W x 6 H, 38 hz tuning, says to make port 18.75" long. any idea if this is right. I used re calculator and it comes up totally different. thanks Quote 2012 scion xb bagged, 2 soundqubed hdc3 12's, soundqubed 2200 for now, need alternator Link to comment Share on other sites More sharing options...
AI James Posted May 9, 2010 Report Share Posted May 9, 2010 first off why 12 cubes for 2 15s second off why that port area? Quote Link to comment Share on other sites More sharing options...
abervintageman42 Posted May 9, 2010 Report Share Posted May 9, 2010 every wall I've seen does better with port drivers side subs passenger side Quote Link to comment Share on other sites More sharing options...
97EXPO Posted May 9, 2010 Author Report Share Posted May 9, 2010 thats before sub and port, it says its almost 10 cubes after port. The subs require 5 cubes each. Port area was based on 15 or 16 square inches per cubin foot Quote 2012 scion xb bagged, 2 soundqubed hdc3 12's, soundqubed 2200 for now, need alternator Link to comment Share on other sites More sharing options...
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