I THOUGHT I HAD BLOWN MY WOOFER I WAS DRIVING IT AT AROUND 200 WATTS, AND THE WOOFER WENT. I SWAPPED WOOFERS AND THE ONE THAT WAS WOOKING FINE NOW IS BAD, AND THE ONE I THOUGHT WAS BAD WORKS FINE IN THE OTHER CABINET. NO PROBLEMS WITH THE TWEETERS OR MIDS. IS MY WOOFER END OF THE THE CROSSOVER BAD.????? thanks JBL great web site.