Krakin Posted March 11, 2013 Report Share Posted March 11, 2013 Here is a box I designed for someone for (3) E8 v.3's Notice how below the bend it is still 3 inches from the back. Krakin's Home Dipole Project http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370 Krakin, are you some sort of mad scientist? I would have replied earlier, but I was measuring the output of my amp with a yardstick . . . What you hear is not the air pressure variation in itself but what has drawn your attention in the two streams of superimposed air pressure variations at your eardrums An acoustic event has dimensions of Time, Tone, Loudness and Space Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears, thus no formula can achieve a definite effect for every listener. Link to comment Share on other sites More sharing options...
Afficionado Posted March 11, 2013 Author Report Share Posted March 11, 2013 where did the 3" come from? because it is the width of the port? If you have any questions relating to nutrition, lifting, or health in general, feel free to give me a PM and I will give you straight forward advice with no BS involved. Link to comment Share on other sites More sharing options...
Krakin Posted March 11, 2013 Report Share Posted March 11, 2013 yes Krakin's Home Dipole Project http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370 Krakin, are you some sort of mad scientist? I would have replied earlier, but I was measuring the output of my amp with a yardstick . . . What you hear is not the air pressure variation in itself but what has drawn your attention in the two streams of superimposed air pressure variations at your eardrums An acoustic event has dimensions of Time, Tone, Loudness and Space Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears, thus no formula can achieve a definite effect for every listener. Link to comment Share on other sites More sharing options...
Afficionado Posted March 11, 2013 Author Report Share Posted March 11, 2013 Any advice? I can only seem to get the really low tuning i desire by making the port very close to the walls. Doing that i still have a 10" wide port If you have any questions relating to nutrition, lifting, or health in general, feel free to give me a PM and I will give you straight forward advice with no BS involved. Link to comment Share on other sites More sharing options...
Krakin Posted March 11, 2013 Report Share Posted March 11, 2013 Some things are: 1. Deciding on a setup helps a lot. I know how hard this is I am still in the process of doing it for my build. 2. A 3 common wall is much easier to build than a 0 common wall box. 3. I recommend doing your calculations with woofer displacement. You can normally just go to the woofers website and just look under enclosure recommendations. 4. Keep port area per foot 12~16 with slot ports, and 9~14 with aero ports. Krakin's Home Dipole Project http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370 Krakin, are you some sort of mad scientist? I would have replied earlier, but I was measuring the output of my amp with a yardstick . . . What you hear is not the air pressure variation in itself but what has drawn your attention in the two streams of superimposed air pressure variations at your eardrums An acoustic event has dimensions of Time, Tone, Loudness and Space Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears, thus no formula can achieve a definite effect for every listener. Link to comment Share on other sites More sharing options...
Afficionado Posted March 11, 2013 Author Report Share Posted March 11, 2013 thanks for advice! If you have any questions relating to nutrition, lifting, or health in general, feel free to give me a PM and I will give you straight forward advice with no BS involved. Link to comment Share on other sites More sharing options...
Krakin Posted March 11, 2013 Report Share Posted March 11, 2013 No problem! Krakin's Home Dipole Project http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370 Krakin, are you some sort of mad scientist? I would have replied earlier, but I was measuring the output of my amp with a yardstick . . . What you hear is not the air pressure variation in itself but what has drawn your attention in the two streams of superimposed air pressure variations at your eardrums An acoustic event has dimensions of Time, Tone, Loudness and Space Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears, thus no formula can achieve a definite effect for every listener. Link to comment Share on other sites More sharing options...
Afficionado Posted March 11, 2013 Author Report Share Posted March 11, 2013 what negative effects would i see by making the port area per foot 9.9 instead of 12+? If you have any questions relating to nutrition, lifting, or health in general, feel free to give me a PM and I will give you straight forward advice with no BS involved. Link to comment Share on other sites More sharing options...
Krakin Posted March 11, 2013 Report Share Posted March 11, 2013 smaller port area per foot equals more frequencies you can hit, but less SPL. A higher area per foot will mean less notes you can hit but the notes you do hit will have a much more SPL Krakin's Home Dipole Project http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370 Krakin, are you some sort of mad scientist? I would have replied earlier, but I was measuring the output of my amp with a yardstick . . . What you hear is not the air pressure variation in itself but what has drawn your attention in the two streams of superimposed air pressure variations at your eardrums An acoustic event has dimensions of Time, Tone, Loudness and Space Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears, thus no formula can achieve a definite effect for every listener. Link to comment Share on other sites More sharing options...
Afficionado Posted March 11, 2013 Author Report Share Posted March 11, 2013 I see, what kind of difference will it make in the amount of air i can move? SPL scores are not important to me because i will never be metered. If you have any questions relating to nutrition, lifting, or health in general, feel free to give me a PM and I will give you straight forward advice with no BS involved. Link to comment Share on other sites More sharing options...
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