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
SounDrive Custom RCAs • High Output Enclosures
Ranger awesome thread. I am looking to build a 4th order for 2 JL 10W6v3's and only use 500 watts.