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  1. Porting a box

    Technical & Advanced Car Audio Discussion
    Hi. I have a Hertz HX250D in a rather big sealed enclosure, close to 28,5 liters. I have filled the box with crap to make it around 18 liters (rec. by hertz) because i had problems with overexcursion, and it helped a lot, but still pops up sometimes when playing loud for a long time. So i am...
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