Originally Posted by Beatin'
can you put polyfill in the ported chamber of a bandpass to make it appear bigger to the woofer?
Yes.. There's a thread on MAF somewhere with specific information about 4th orders and polyfil but I'd have to search to find it
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Ranger awesome thread. I am looking to build a 4th order for 2 JL 10W6v3's and only use 500 watts.