I think this belongs here as I am not wanting to use it for a bass. I am looking for something different for a sub so I was thinking of building a horn. I know that you basically calculate the wavelength you want to tune to, divide by 4 and fold it up into a box. But the specific kind I was looking at had a chamber inside that the sub sit in thats sealed. http://www.google.com/imgres?imgurl...EDhk&iact=rc&dur=456&page=6&start=108&ndsp=24 I specifically want this kind, as it is going in a car and I plan on making it very difficult to steal, but I dont want some pissed off thief putting a knife through the cone when he cant steal it. How do you design the chamber size? is it just a box big enough to hold the speaker or is it more complex? Its going behind the seat of an extended cab s10 so I wanted tall and shallow. I was thinking a single 10. Would the "wicked one wo32" be a better design for this?