This video contains a 4th order bandpass build for home use. It uses a Dayton Audio Ultimax 8" subwoofer and Dayton Audio SPA250 plate amplifier. The video doesn't teach how to design a BP4 enclosure. If you do want to learn, you can check my

DIY Audio Courses : [ Ссылка ]

The build had a few problems and I'm trying to make people aware of issues what might arise when building speaker boxes. If I am pleased with how the sub will turn out in the end, I'll post the building guide on my website.

Music Credits:
"Werq" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
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