Since I haven't found any other explaination for this, but I replaced some coupling caps, and one of them starts sparking, I turn off my amp (Darkvoice 336), and it stops, I discharge the capacitor, add a bit more solder and it works fine now. I just want to know if sparking capacitors mean an incoming "BOOM" or if there is another reason. After adding more solder, the amp hasn't gone boom, even after a few hours, so any reason why it sparked in the first place?