Feedback on Modified MX15-22 Subwoofer Design
Toid has patiently answered a ton of my questions and that has led me to trying my first speaker design. I really wanted to use his MX15-22 design, but it’s just a little too big for my situation. He suggested I try a 4 cu ft version.
So here it is:
- MX15-22 driver
- 4.0 cu ft box
- 21.21 Hz tuning frequency
- 3 rectangular ports, each 1.5″ x 6″ x 24.75″
- The box is 21″ wide, 29.5″ tall, and 17″ wide (I will actually need to lay it on it’s side, though)
If I add a 20 Hz high pass filter and assume 800 W power, then I get an F3 of 24.0 Hz and a frequency response below. The peak cone excursion is under 16. The port velocity may be a bit high at 22, but I think that is very similar to his design.
The box design and bracing is also shown below.
Any thoughts and feedback before I order parts and make sawdust?
Thanks in advance!
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