detroitdb Posted February 19, 2013 Report Share Posted February 19, 2013 I have 1 Atomic APX 18 D2, Atomics enclosure calculator says to use 6 cft net enclosure with 40 sq inch port 10 inches long, I built this enclosure and is stupid loud!!!! Now my question is this what size round port can i use, and how long to be around the same as the square port? thank you all in advance. https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
zayres29 Posted February 19, 2013 Report Share Posted February 19, 2013 what's the problem Btw that was the first person. Ever banned by me while dropping a deuce. Feel privileged Link to comment Share on other sites More sharing options...
Gingeriffik Posted February 19, 2013 Report Share Posted February 19, 2013 Do the math! What is the volume of your port now? Find that and then make a cylinder of equal volume. <>< Collosians 2:13-14, Philippians 4:13, 1 John 4:7-10 2 - JBL W15Gti 2 - JBL BP1200.1 Knu 1/0 Wiring Kenwood KIV-BT901 Kenwood/Garmin Nav. Link to comment Share on other sites More sharing options...
detroitdb Posted February 19, 2013 Author Report Share Posted February 19, 2013 what's the problem actually, There is no problem, I built the enclosure with just a bunch of thrown together stuff, and now im building it right..... https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
zayres29 Posted February 19, 2013 Report Share Posted February 19, 2013 Then just build it the same with different materials for simplicity aero Ports always frustrate me anyway Btw that was the first person. Ever banned by me while dropping a deuce. Feel privileged Link to comment Share on other sites More sharing options...
detroitdb Posted February 19, 2013 Author Report Share Posted February 19, 2013 I would like to use aeros for simplicity, would i be ok with one 6 inch aero? https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
detroitdb Posted February 19, 2013 Author Report Share Posted February 19, 2013 so does anyone know if a 6inch port will be enough? https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
mrd6 Posted February 19, 2013 Report Share Posted February 19, 2013 Simple math bro. You need 40 square inches or port 10 inches deep. Area of a circle = pi * radius^2 so 40 = 3.14 * r^2 radius = 3.57 inches So you are going to want a 7 inch diameter circular port. A 6 inch will be tuned way lower with out enough port area. My Build Log: http://www.stevemead...-sundown-power/ Team NorthWestSPL Link to comment Share on other sites More sharing options...
zxsonnyxz Posted February 19, 2013 Report Share Posted February 19, 2013 Do the math! What is the volume of your port now? Find that and then make a cylinder of equal volume.It's not about port volume.so does anyone know if a 6inch port will be enough?It's not enough. You could try with two, but three would be more like it. Edit: The port area he has now seems wayyy low. STD Passat Build 151db+STD Omega BuildMitsubishi Colt Build - Alpine|Focal|PeerlessHome Stereo BuildSmall Tang Band build - 4" fullrangeBox for 4 8"My Saab 9000 Build- I'd be very happy if you cared to check out the logs and give feedback! Link to comment Share on other sites More sharing options...
detroitdb Posted February 19, 2013 Author Report Share Posted February 19, 2013 thank you.... https://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4Uhttps://photos.google.com/photo/AF1QipP7rjav9cD9UFdAYBJmz4M4LoNlF26ng1xhAf4U 2013 DODGE CHALLENGER R/T SUNDOWN ZV4-18 CRESCENDO 3.5K PIONEER AVIC 5300 NEX ALPINE TYPE R 6.5S & 6X9'S ROCKFORD FOSGATE 1.5" TWEETS 5 C&D TECH BATTS Link to comment Share on other sites More sharing options...
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