right. basically. was working on the car as you do. just chilling with some music. someone then rings me and i get that buzzing sound come through the speakers. so i immediatly turn the ignition off. after i get off the phone. i have this continuing buzzing. so i thought what the hell, so went into the boot and moved the sub around to have a look at the wiring on the amp thats screwed to the sub box. the sub all of a sudden makes a huge thump and the cone keeps moving in and out slowly to the full excursion. i immediatly turn the ignition off and have a look at all the wiring. everything seems okay and i even checked under the bonnet and back of head unit etc. i then turn ignition back on and the buzzing just gets increasingly louder and it keeps doing this buzzing thing. even the 6x9's are doing it. it almost sounds like feedback you get from a micraphone or guitar. i have checked EVERYTHING. and have narrowed it down to the amp as i hooked up another smaller amp to my sub and it was fine. everthing is connected correctly and all external fuses seem fine. the amp is a legacy LA688 and only about a month old so this has confused me beyond belief. any suggestions as to what is wrong? any bit of help would be greatly appreciated! sorry for the essay
Marc
Marc