powerman169 Posted March 7, 2019 Report Share Posted March 7, 2019 I need help on Box size. I just bought 2 Sundown sa 15 D4 and need a box. I want it tuned to 32 Hertz. The space I have to put it in is 42.5 width x 24'' depth x 32'' High. Does anyone have any specs or help how to get it to 32 Hertz Link to comment Share on other sites More sharing options...
DiBo Posted March 8, 2019 Report Share Posted March 8, 2019 How do you want the subs and port oriented? Link to comment Share on other sites More sharing options...
powerman169 Posted March 9, 2019 Author Report Share Posted March 9, 2019 Subs on top Port in front I want it to be around 32 to 34hz Link to comment Share on other sites More sharing options...
powerman169 Posted March 9, 2019 Author Report Share Posted March 9, 2019 Link to comment Share on other sites More sharing options...
DiBo Posted March 9, 2019 Report Share Posted March 9, 2019 On 3/7/2019 at 2:47 PM, powerman169 said: I need help on Box size. I just bought 2 Sundown sa 15 D4 and need a box. I want it tuned to 32 Hertz. The space I have to put it in is 42.5 width x 24'' depth x 32'' High. Does anyone have any specs or help how to get it to 32 Hertz 42Wx20Hx22d ¾ material Port 17.75Hx5Wx24L 2X top baffles .34 woofer displacement 2 common port walls 6.80ft³ @32.04hz After 45° pieces in corners and bracing you'll be around 6.5ft³ tuning will go up slightly to around 32.5 if you use about .20ft³ bracing. Make the 45° pieces small. 2" wide if possible to minimize airspace loss. The subs perform well at around 3.25 feet cubed. Enclosure will look exactly like the one you posted with all these numbers. Try to use Baltic Birch for a stronger enclosure requiring less bracing. Link to comment Share on other sites More sharing options...
powerman169 Posted March 11, 2019 Author Report Share Posted March 11, 2019 Thank You so much. I did build one at 35hz waiting on subs to come in. Looks like im going to build another box. Should I still put double face? I used MDF board. Link to comment Share on other sites More sharing options...
DiBo Posted March 12, 2019 Report Share Posted March 12, 2019 58 minutes ago, powerman169 said: Thank You so much. I did build one at 35hz waiting on subs to come in. Looks like im going to build another box. Should I still put double face? I used MDF board. Slap another baffle up top and you're in business! Post your numbers also. I'll check it out. Link to comment Share on other sites More sharing options...
twotoneelcamino Posted August 22, 2019 Report Share Posted August 22, 2019 how did it turn out? Link to comment Share on other sites More sharing options...
powerman169 Posted September 23, 2019 Author Report Share Posted September 23, 2019 Turned out good. Got rid of cap and got a battery and added another baffle. Had it tested and hit 146.3db. Not bad for being out of the game for 15 years. Now selling and going with new setup. Link to comment Share on other sites More sharing options...
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