I have a yamaha active sub yst sw50 that has just packed up on me. Today I was swapping all my gear into a new cabinet and was disconnecting all my leads from my yamaha a2 amp to get it into the new cabinet. As I pulled out the sub lead I heard a noise as i realised that I had forgotten to turn the power to the sub off. After swopping all the kit and reconnecting my sub wont work!! To top it all I had today bought hollow man on dvd and was looking forward to a good night with a drink a good meal and a movie! Can anyone help me.... I have taken the back off the sub and cant see anything wrong. All fuses are ok, internal and in the plug and power is still getting to the sub.... the red light is still coming on but no sound at all... please help!