Ecotech Marine Quietdrive - PREORDER - Canreef Aquatics Bulletin Board

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Ecotech Marine Quietdrive - PREORDER

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#10

02-16-2015, 04:30 AM

kamloops_reefer kamloops_reefer is offline

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to help people put things into perspective, I've always considered 3 db to be "twice as loud" in a physics terms, however 9db should be considered twice as loud to the human ear and not forces

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