caspers bass Posted January 21, 2012 Author Report Share Posted January 21, 2012 I honestly think 4^3 net would be fine, but would tune to 36hz. The motor and suspension allow it to play well below tuning with no issues, but it isn't a low end sub. Tuning to 36-37 should allow you to play a much wider range of frequencies with strength. so basically you mean 4 cubes and tune to 36 would be the best? Quote Link to comment Share on other sites More sharing options...
Joe X Posted January 21, 2012 Report Share Posted January 21, 2012 Here is the response plot if the aq sdc 2.5 4cuft@33Hz: The HDC315 behaves very differently than this sub in the same box: With the typical gain dip just above tuning frequency so 33Hz is bad for the HDC3 on 4 cuft but not so for the sd2.5. Quote Link to comment Share on other sites More sharing options...
RAM_Designs Posted January 21, 2012 Report Share Posted January 21, 2012 ^^^odd, I see the HDC graph as being "better." Quote Ryan Miskin - owner of RAM Designs I have my PM's turned off, please email at <script data-cfhash='f9e31' type="text/javascript"> /* */</script> 2200+ designs since March 2011... Link to comment Share on other sites More sharing options...
Joe X Posted January 22, 2012 Report Share Posted January 22, 2012 OP so for a 36Hz tune the box would be like this: Enclosure Specifications: Fb = 36 Hz Vb = 4 ft^3 Subwoofer Mounting = Front Mounted External Height = 17 in External Width = 32,15 in External Depth = 20 in Port Width = 4 in Cut List: * All Dimensions in Inches. * Wood Thickness is 3/4 for all Parts. External Enclosure Parts: Front & Back = 32 1/8 x 17 Left & Right Sides = 18 1/2 x 15 1/2 Top & Bottom = 32 1/8 x 18 1/2 L Port Internal Assembly Parts: Front to Back = 14 1/2 x 15 1/2 Extension = 3 11/16 x 15 1/2 Honestly the 33Hz tuning is fine for the SDC2.5 but tuning is slso a quesion of taste so there are both options. Quote Link to comment Share on other sites More sharing options...
Joe X Posted January 22, 2012 Report Share Posted January 22, 2012 ^^^odd, I see the HDC graph as being "better." Right, very "SQ" Quote Link to comment Share on other sites More sharing options...
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