Build video of a subwoofer that I currently use.
It is a Visaton W250S-4 powered by a 150W plate amplifier. The enclosure volume is 60 liters and it is tuned to 36Hz. It goes down to about 27-28Hz.
Sound demo: https://www.youtube.com/watch?v=HOm4k_-F278&t
Music used in the video:
Parasail - Silent Partner: https://youtu.be/MzO4zfNO0kQ
Crimson Fly - Huma-Huma: https://youtu.be/qpxhgby-ONI