Originally Posted by
Pb82 Ronin
Justin, great thread so far! Definitely been chasing my tail with trying to deal with what I feel is wave cancellation in the low frequencies (> 100Hz) in my Vette. My sub is a JL 10W7 in a sealed box fired upwards into curved glass. My assumption is the sound wave is colliding with itself and cancelling. Of course I could be way of too...that's why I'm asking. When we tune in the garage, everything goes well and bass response is decent. But, when i take the car to the highway, all bass just vanishes (mid-bass suffers the most). All i can hear is from about 500 Hz and up, and 60 hz and lower. It's the strangest and most frustrating phenomenon ever.