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focal power bird , should I remove the mesh grill on the air hole ?


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I don't think that you will achieve anything by that.  What you are describing is called port chuffing, and it's usually a design issue, inherent in the product.  Becoming worse with level is letting you know you have exceeded the SPL output capability of the sub.

 

Brad 

Brad Lunde

www.LoneMountainAudio.com (High End Consumer Importer to the Trade) and www.TransAudioGroup.com (High End Pro Audio Importer to the Trade)

Brands we import to the US are ATC, Tube Tech, Drawmer, MUTEC, Bettermaker 

Brands from the US we distribute are A Designs, Auratone, Daking, LatchLake and Mojave   

 

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  • 6 months later...

DIfferent frequency produces different port noises.  It could be a vibration issue of something else, but I would guess its not the screen.  Maybe?

 

Brad 

Brad Lunde

www.LoneMountainAudio.com (High End Consumer Importer to the Trade) and www.TransAudioGroup.com (High End Pro Audio Importer to the Trade)

Brands we import to the US are ATC, Tube Tech, Drawmer, MUTEC, Bettermaker 

Brands from the US we distribute are A Designs, Auratone, Daking, LatchLake and Mojave   

 

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