miniSPLlancer Posted November 19, 2011 Report Posted November 19, 2011 2 HDC3 12's 4.4ft3 net with 2 6" aero ports instead of a slot port? Would 1 be better, is 2 O.K.? I don't have any experience with aero ports, I'm a slot port guy but trying to save some space by using aero's. Will be tuned to 37hz 2011 Mitsubishi OutlanderSony 712 Soundqubed HDS208 Alpine MRV-M500 Transmission line enclosure Soundqubed wiring Knu rca XS Power battery CNF terminals
miniSPLlancer Posted November 19, 2011 Author Report Posted November 19, 2011 ^ 2011 Mitsubishi OutlanderSony 712 Soundqubed HDS208 Alpine MRV-M500 Transmission line enclosure Soundqubed wiring Knu rca XS Power battery CNF terminals
HatersGonnaHate Posted November 19, 2011 Report Posted November 19, 2011 Wait for Fish Chris or Fecupe to chime in on this or pm and ask them. Or post in Ray's help thread. I know Chris did research on his setup with 3 aeroports... I think he took one out and shortened the other one and it got him the tuning he was looking for. My name is AdamThis is my Civic Build.7" Samsung Tab 2Kenwood KDC-X896Clarion EQS746Sundown X-15DC 3.5k @2ohmHatersGonnaHate's 02 Civic UBLELD Bypass for Honda Civic/Accord/FitDon's Jeep Grand Cherokee Rebuild N8ball2013 - i think you'd stick your dick in a blender if it told you it was 40 wtih two kids your age. lol srp365 - If posting were picking up bitches, I'd be going home single tonight looks like tony montana sneezed in your car.
miniSPLlancer Posted November 19, 2011 Author Report Posted November 19, 2011 Wait for Fish Chris or Fecupe to chime in on this or pm and ask them. Or post in Ray's help thread. I know Chris did research on his setup with 3 aeroports... I think he took one out and shortened the other one and it got him the tuning he was looking for. I'll pm them, thanks 2011 Mitsubishi OutlanderSony 712 Soundqubed HDS208 Alpine MRV-M500 Transmission line enclosure Soundqubed wiring Knu rca XS Power battery CNF terminals
AmericanLegend Posted November 20, 2011 Report Posted November 20, 2011 I think you would be better off with one square port rather than two round ones as long as you round the front and inside edges of the port. The reason for this is simple: Lets say you needed 64 square inches of port. A round port of this size would be (pi*r^2=64) approximately 9 inches across (4.514 inch radius) with an internal surface area of (2*pi*r) 28.359 square inches per inch of port length. An equivalent square port of say 8 x 8 would also have 64 square inches of port area, but it would have (8+8+8+ 32 inches of surface area per inch of port length. So far, the circle wins, right? Well, the equation turns on its head when you multiply the number of round ports you are using. Two round ports totalling 64 square inches would each be 6.38 inches across and would have an internal surface area of 20.053 square inches per inch of port. So, times two ports is 40.106 inches of internal surface area per inch of port length for the TWO round ports vs 32 square inches for the square port.
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