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File:Cardioid Subwoofer Array.png - Wikimedia Commons
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Subwoofer Cardioid Arrays
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Subwoofers
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![Martin Audio Announces Two High-Performance Cardioid Subwoofers – rAVe [PUBS]](https://www.ravepubs.com/wp-content/uploads/2020/03/martianaudio-sub.png "Martin Audio Announces Two High-Performance Cardioid Subwoofers – rAVe [PUBS]")
Martin Audio Announces Two High-Performance Cardioid Subwoofers – rAVe [PUBS]
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8 CSA stage controlled left/right eight-unit cardioid subwoofer system... | Download Scientific Diagram
What is a Cardioid Subwoofer? Why Do I Need One?
