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Old 01-20-2021, 12:48 PM's Avatar is offline
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Join Date: May 2019
Location: Texas
Posts: 1,006

It takes *mass* to treat low frequencies, which is the main reason compressed fiberglass or rockwool are the preferred materials. Whether your foam will work for you depends on what you are recording, and mixing if it's meant to be treatment for a mixing space using monitor speakers.
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