hey everyone im sixteen and i install car audio out of my garage at my dads house. i recently in my car have two 10 inch 500 watt Visonik subs in a ported box i dont know what that box is tuned to but at one time it was a sealed enclosure and i ported it with three inch pvc pipe two inches off the back wall of the box and it sounds good but when u turn it up extremly loud the bass is not as loud as before with a lower volume but i have learned to live with it.
I want to make a box with a slot port in the center of the box three inches wide but i dont know how to get it tuned to 34 hertz which i heard was a good hert for just about any sub if anyone can help me that would be cool i wish steve would post something to help me out i love is truck with 4 18" that stuff is sick bass i wanted to know how i could get a bass knob for my chevy car
thanks, zach aka white_boi_audio