friend 5 sheets for 3 boxes. sorry the video i dont have at the moment. but i hv the 18 cbx played in concert. my friend got job from open chiang mai.com a good video i will try to post now on "lucky bass bin"
the graph i sim with p audio c15-1000el that i got the parameter from the p audio. its a new drv my friend bought 2 drvs. its expensive more than e15-300s and the cone is better than e15-300s. and i sim the Kane
is good as the same