Joshdashef Posted April 8, 2021 Report Posted April 8, 2021 SP4v2+ 15" Dual 1 Ohm DC 2k per coil Box tuned to 31 hz | ~4 net cubic feet | ~5.7 gross Slot port, 14.5 x 4" | 58" squared port area | 34.20 length | WinISD shows ~35/36 m/s rear port velocity Finally getting around to building with this sub after getting a new car... just want thoughts/input on this box design. SMD Tool Map (2024): https://www.stevemeadedesigns.com/board/topic/226545-smd-tool-map-2024/ Great Box Bracing Examples: https://www.stevemeadedesigns.com/board/topic/202148-best-way-to-brace-a-box/?do=findComment&comment=3055002
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