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Showing results for tags '4th Order'.
I have never build a 4th order box and want to give it a shot. So any advice would be great. I have 2 Sundown zv4 15s D2 custom build for 2k rms each, wired to .5 ohm. I am wanting to do a C pillar build in my 97 4 door Blazer. This is currently on a BC3500 and later looking to get another one to push at 1 ohm a piece. My question is on the sealed side what would be the best sealed cubes. I was thinking of doing 4 cubes for both subs and 8 cubes ported and tuned to 40hz. Does this sound about right for 15s on both the sealed and ported? and is tuning it to 40hz good or should a do 45hz. I lo