Making a box for the Alphard Magnum M12 with your own hands

Box drawings for Alphard Machete 12 Sport with 36Hz and 41Hz port tuning

Dimensional drawings

Box drawings for the Machete M12 Sport subwoofer

  1. Setting the port at 36Hz. This setting is considered universal. The subwoofer will play the low bass well. These are such directions as RAP, TRAP, Rnb. But if your musical taste is for other songs such as, rock, pop, classical, club tracks, we advise you to pay attention to a box with a higher setting.
  2. 41Hz port setting. This box will be perfect for fans of club and electronic music, and it will play back well classical, jazz, trance and other directions where high hard bass is applied. When calculating the box was a little “squeezed” by volume. It adds clarity, stiffness and velocity to the bass. It should also be noted that because of its “stiffness” box has very compact dimensions.

We also want to pay attention to the fact that a box with lower setting (less than 33hz) for this subwoofer is not desirable. It will lead to a loss of the loudspeaker’s travel and can further damage it.

Drawing of the box for Machete m12 Sport with 36Hz port tuning

Box detail

The size and number of parts to build the box i.e. you can give the drawing to a company that provides services for cutting wood (furniture), and after a certain time to pick up the finished parts. Or you can save money and do the cutting yourself. Part dimensions are as follows:

1) 350 x 646 2 pieces (front and back wall) 2) 350 x 346 1 piece (right wall) 3) 350 x 277 1 piece (left wall) 4) 350 x 577 1 piece (port 1) 5) 350 x 55 1 piece (port 2) 6) 646 x 382 2 pieces (bottom and top cover) 7) 350 x 48 3 pieces (port rounding) both sides at 45 degrees.

The characteristics of the box

Subwoofer speaker – Alphard Machete M12 Sport 36hz; Tuning box – 36Hz; Net volume – 53 liters; Dirty volume – 73.8 liters; Port area – 180 cm; Port length – 65 cm; Width of box material 18 mm; Calculations were made for a medium-sized sedan.

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Refurbishment of the rhombus jack

AFC of the box

This graph shows how the box will behave in a medium size sedan, but in practice small deviations are possible as each sedan has its own characteristics of the interior.

Drawing of the box for Machete m12 Sport with 41Hz port tuning

Box detail

The size and number of parts to build the box (detailing), ie you can give a drawing to a company that provides services for cutting wood (furniture), and after a certain time to get ready to pick up the parts. Or you can save money and do it yourself.

Part dimensions are as follows:

1) 350 x 636 2 pieces (front and back wall) ; 2) 350 x 318 pieces (right wall) ; 3) 350 x 269 1 piece (left wall) ; 4) 350 x 532 1 piece (port) ; 5) 636 x 354 2 pieces (bottom and top cover) ; 6) 350 x 51 2 pieces (rounded port) both sides at an angle of 45 degrees.

The characteristics of the box

Subwoofer speaker – Alphard Machete M12 Sport; Tuning box – 41Hz; Net volume – 49 liters; Dirty volume – 66,8 liters; Port area – 170 cm; Port length – 55 cm; Box width – 18 mm; Calculated for a medium-sized sedan.

AFC of the box

This graph shows how the box will behave in a medium size sedan, but in practice small deviations are possible as each sedan has its own characteristics of the interior.

Conclusion

We have made a lot of effort to create this article, trying to write it simple and clear language. But whether we were able to do it or not is up to you to decide. If you still have questions, create a thread in the “Forum”, we and our friendly community will discuss all the details and find the best answer.

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