Billy0124 Posted June 16, 2019 Report Share Posted June 16, 2019 I have an 18 fi ssd on the way that I'm going to use in a blowthrough. Messing around with bandpass designs for the first time in winsid. Question is what kind of curve am I looking for? First post is a picture of the 6th order model Second is the 4th order Link to comment Share on other sites More sharing options...
Billy0124 Posted June 16, 2019 Author Report Share Posted June 16, 2019 Link to comment Share on other sites More sharing options...
Billy0124 Posted June 16, 2019 Author Report Share Posted June 16, 2019 Link to comment Share on other sites More sharing options...
Triticum Agricolam Posted June 16, 2019 Report Share Posted June 16, 2019 There is no single "correct" curve. It depends entirely on what your goals are and how you want your system to sound. "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: Link to comment Share on other sites More sharing options...
Billy0124 Posted June 16, 2019 Author Report Share Posted June 16, 2019 1 hour ago, Triticum Agricolam said: There is no single "correct" curve. It depends entirely on what your goals are and how you want your system to sound. I want it to be musical. I listen rap, rock and country. Not worried as much about bass response in my country (if it's there great, if not no big deal). Would like to be able to get the low end on my rap and hopefully be able to pick up the tones in some of my rock as well. On the 4th order model that peak scares me. Thank you for replying Link to comment Share on other sites More sharing options...
Triticum Agricolam Posted June 16, 2019 Report Share Posted June 16, 2019 If you are looking for wider bandwidth, and it sounds like you are, the parallel-tuned 6th order is most likely going to do that better. You are certainly correct about being concerned with the peak the 4th order has. You can ROUGHLY approximate what cabin gain is going to do by adding a filter into WinISD like this: See how it looks with the filter. Keep in mind that peaks can be reduced very effectively though EQ. If you are concerned about frequency response a DSP is the best $100 you can spend on your system. "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: Link to comment Share on other sites More sharing options...
Billy0124 Posted June 17, 2019 Author Report Share Posted June 17, 2019 15 hours ago, Triticum Agricolam said: If you are looking for wider bandwidth, and it sounds like you are, the parallel-tuned 6th order is most likely going to do that better. You are certainly correct about being concerned with the peak the 4th order has. You can ROUGHLY approximate what cabin gain is going to do by adding a filter into WinISD like this: See how it looks with the filter. Keep in mind that peaks can be reduced very effectively though EQ. If you are concerned about frequency response a DSP is the best $100 you can spend on your system. I really don't even know where to start with a 6th order design. Link to comment Share on other sites More sharing options...
Triticum Agricolam Posted June 21, 2019 Report Share Posted June 21, 2019 On 6/17/2019 at 7:32 AM, Billy0124 said: I really don't even know where to start with a 6th order design. For parallel tuned 6ths, they aren't too hard. Make the low chamber pretty much as you would a regular ported box for that sub, maybe tune a few Hz lower than your normally would. The high chamber is tuned an octave above the low, you adjust the chamber volume to get the frequency response you want. It usually ends up being somewhere around half the volume of the low chamber. "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: Link to comment Share on other sites More sharing options...
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