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Reload Thread: Soft insulation behind speaker, is it bad for bass?

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    aweir's Avatar
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    Soft insulation behind speaker, is it bad for bass?

    I replaced the factory 4" speakers in the front door with 6.5" two ways.

    The 6.5" wouldn't fit in the door frame so I dremmeled out a hole in the door panel and before I placed the speaker I stuffed some soft fiberglass insulation to reduce any rattling (the fluffy kind). But I am wondering if this soft insulation would "absorb" the sound from the woofer and kill the bass.

    I also have sealed 6X9 enclosures in the back and was wondering if I am SUPPOSED to put soft insulation into the enclosure behind the speaker.







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    Re: Soft insulation behind speaker, is it bad for bass?

    I am not a fan of using insulation. But no it should help you bass response. Deflex pad, Dynaxorb or ensolite would be better options.IMO To get the full use from any of these products you should deaden the door though.



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    Re: Soft insulation behind speaker, is it bad for bass?

    It's good for absorbing the speaker's backwave, but the only problem I see is that it might soak up water.

    The other options that genxx recommended are closed-cell/hybrid foams so they're more weather resistant.




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