What happens when you combine a fan with a sub-woofer? Apparently, you get a high-efficiency ultra low hertz (3-5hz) rotary subwoofer! First thing’s first, believe it or not, these things really ...
[Daniel Fajkis] takes the subwoofer to it’s logical extreme by building a rotary subwoofer on a $200 budget. The principle of a rotary subwoofer is that a normal subwoofer physically moves the ...