![So I built an 18" sealed subwoofer. Build guide and bonus picture in album! More info in comments. : r/DIY So I built an 18" sealed subwoofer. Build guide and bonus picture in album! More info in comments. : r/DIY](https://external-preview.redd.it/_-G6nLwrIZ3SXsIYbU7EAMRqRY7lCJN6JkBaBbc-BLo.jpg?width=640&crop=smart&auto=webp&s=0f694a42fb5d5b4da178a7e22339e77af7e07c42)
So I built an 18" sealed subwoofer. Build guide and bonus picture in album! More info in comments. : r/DIY
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