Gearslutz.com - View Single Post - Interesting patent - QRD with imbedded Helmholtz resonators
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Old 11th April 2010   #2
SAC
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Joined: Dec 2009
Posts: 2,622

Just be aware - obtaining a patent does NOT imply that the idea is either sound nor that it works.
So be prepared to test the design...

Also, various QRDs such as the RPG Flutterfree also incorporate optional HH resonator panels placed behind the FF.
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