Stremes Posted February 28, 2008 Report Share Posted February 28, 2008 So my nice new Orion HCCA 15's are on their way and i got a question about ports. They recomend 6.25 round 14.5" long tuned to 35Hz or a 5.5x5.5 square. If i were to do two 3.125 round ports 14.5" long would that be the same? 2 Orion HCCA 15.4's half wall setup with backseat out 3cf per chamber tuned to 35Hz 145.3DB @38Hz in DB Drag Super Street 1-2 Rockford T30001BD Hifonics BXI 1006 2-channel 200amp alternator 0ga welding cable power & ground (the big 3) Two runs of positive Optima RedTop upfront 2 Interstate SRM-27 marine batteries in trunk JVC deck and Phoenix Gold line driver Rockford Fosgate T162C in front doors Rockford Fosgate T162C in custom fiberglass pods Rockford Fosgate T1692C in stock location More fosgate component speakers to come Link to comment Share on other sites More sharing options...
Stremes Posted February 29, 2008 Author Report Share Posted February 29, 2008 Anyone? 2 Orion HCCA 15.4's half wall setup with backseat out 3cf per chamber tuned to 35Hz 145.3DB @38Hz in DB Drag Super Street 1-2 Rockford T30001BD Hifonics BXI 1006 2-channel 200amp alternator 0ga welding cable power & ground (the big 3) Two runs of positive Optima RedTop upfront 2 Interstate SRM-27 marine batteries in trunk JVC deck and Phoenix Gold line driver Rockford Fosgate T162C in front doors Rockford Fosgate T162C in custom fiberglass pods Rockford Fosgate T1692C in stock location More fosgate component speakers to come Link to comment Share on other sites More sharing options...
Bryan Posted February 29, 2008 Report Share Posted February 29, 2008 http://www.stevemeadedesigns.com/board/ind...showtopic=12617 talk to ammat about that he will set you right MMM BASS OATS..ITS WHAT I HAVE FOR BREAKFAST 2 AudioQue HDC3 18'' subs Rockford Fosgate T1 6.5 mids MMATS 2000.05 XS Power D1200 Knukonceptz 1/0 Pioneer Premier DEH-P490iB " Shit I can roll a blunt better than those bitches in Havana!"- Uncle Elroy Link to comment Share on other sites More sharing options...
andym85 Posted February 29, 2008 Report Share Posted February 29, 2008 So my nice new Orion HCCA 15's are on their way and i got a question about ports. They recomend 6.25 round 14.5" long tuned to 35Hz or a 5.5x5.5 square. If i were to do two 3.125 round ports 14.5" long would that be the same? nope...the 6.25" port (along with the 5.5 x 5.5 port) gives you around 30sq" of port area...two 3.125"ports gives you around 15sq" of port area...you would need about 4 3.125"ports, not two... i likes me some audio stuff... Link to comment Share on other sites More sharing options...
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