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  1. 4th Order Bandpass with Dayton UM12-22

    Technical & Advanced Car Audio Discussion
    Long story short is that I'm building a 4th order bandpass enclosure for my car. My plan is to have the enclosure in the trunk and port the box directly into the cab through the rear deck where the 6x9's sit. The theory to my madness is to reduce trunk rattle and overcome certain issues with...