BMS Posted September 14, 2016 Report Posted September 14, 2016 On these port length calculators are they assuming the port will be inside or outside of the box? if i have a 3.5 cu ft. box and i put a port in it well now the net volume is smaller because of the port taking up some of the volume so is this calculating for me to be putting the port in or out of the box? http://www.mobileinformationlabs.com/HowTo-1Woofer-Box-CAL%20Port%20lenth%201.htm
Solo008 Posted September 14, 2016 Report Posted September 14, 2016 Out, that calculator assumes net volume.
BMS Posted September 14, 2016 Author Report Posted September 14, 2016 THANK YOU very much. How did you know?
Joe X Posted September 14, 2016 Report Posted September 14, 2016 There's no wood thickness to enter for example, so it can't really know how to calculate port displacement, there are much better PC/smartphone based calculators.
Triticum Agricolam Posted September 14, 2016 Report Posted September 14, 2016 WinISD is a really good, free, PC based choice. There are others. For box layout Torres works well. "Nothing prevents people from knowing the truth more than the belief they already know it.""Making bass is easy, making music is the hard part."Builds:
Krakin Posted September 14, 2016 Report Posted September 14, 2016 WinISD is a really good, free, PC based choice. There are others. For box layout Torres works well. And now Basta! 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.
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