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      01-21-2023, 10:16 PM   #12
Coconut
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Drives: 2023 M240i xDrive
Join Date: Oct 2022
Location: San Jose, CA

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Do you know the frequency range the stock 8” bass drivers play? From the research I’ve done, BAVSOUND shows these drivers playing from 20-500hz. To me it I don’t think they go down to 20hz, they probably have a subsonic filter around 40hz. They maybe actually play up 500hz since they are pulling double duty for sub-bass and midbass. You mentioned disconnecting the 8” woofers, does that mean your sub is playing >100hz??
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