rotary subwoofer

We don’t usually go for commercial products, but this one caught my eye. This fan is actualy a subwoofer. The blades spin at a constant rate and the blades are servo actuated to produce sound from 0Hz(don’t look at me like that) up to 40Hz according to the spec. I don’t know if I’d want one too badly, it might be dangerous in the wrong hands.


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