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  1. #1

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    May 2013

    Default Polk RC65i's mounting in external wall (Insulation Question)

    So i did some research, but im paranoid so i wanted to double check.

    I know nothing about insulation/etc...

    It looks like i have Fiberglass insulation? I ripped out a small bit of it where my speaker was going to get it in. My question is should i cut all the insulation in the speaker mount area away? Im worried about the fiberglass potentially contacting some of the electronics on the backside of the speaker because its open and the insulation tends to expand out and will probably be resting across the entire backside of my Polk RC65i's

    Heres some images, im worried both about the fiberglass being flammable from the heat the speaker electronics make, and im going to assume its not conductive so i dont need to worry about it shorting my speakers? All of the leads more or less look like they are protected except the ones on the big giant resistor/varistors.

  2. #2

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    Oct 2011
    Pocatello, Idaho


    Fiberglass is very fire resistant and is also an electrical insulator, I wouldn't worry about it myself
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  3. #3

    Member Sales Rating: (6)

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    Feb 2002
    Rockledge, Florida


    I placed insulation behind a RC65i speaker that didn't have insulation.

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