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Help with TL for Morel SC124


RegularGuy69

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Hey guys so I find myself way over my head here. I’d love to build a TL for this beauty but my dimensions are tough to work with, and my ability is worn thin. Im hoping someone can help me model and design a TL for the Morel Ultimo Ti SC124 subwoofer, 28Hz FS. 
 

does the subwoofer need to reside within the port? Or can it have its own airspace? The internal enclosure dimensions can be no bigger than 7.5”hx21”dx42.5”w, except perhaps the height which will ruin the stealthiness

 

https://www.morelhifi.com/product/ultimo-titanium-sc-subwoofer/

 

 

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So what vehicle is it?

 

What I can tell you is that the internal space you are giving is insufficient for the driver in question, calculating the internal box space of a tline tuned to 33Hz and using your sub Sd (cone effective surface area)  we get:

 

SS = 1125.328 feet/s = 13503.937 in/s

SD = 448 sqcm = 69.4401 sqin

33Hz tuning.

13503.937/33 x 4 = 132 inches

69.4401 x 132  = 9166.0932 cuin =  5.3044 cuft (internal volume of tline for your sub)

 

The internal? dimensions you provide:

 

7.5 x 21 x 42.5 = 6693.75 cuin = 3.87 cuft  (volume of internal dimensions you provide)

 

As  you can see your space is far smaller.

 

In both cases the external dimensions of the boxes will represent a larger volume.

 

If you can live with the box size I will tell you about modeling and layout.

 

 

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