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Recent content by michael1123

  1. michael1123

    sound transfer through return air in door grill

    I have built a sound proof wall, the wall works great. the solid core door has a 12 X 12 grill in it for return air, I need to make the door sound resilent without losing any substantial amount of air.Is there any type of sound baffle that will go in to a 12X12 grill.

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