ive search many sites and cant seem to find the answer im looking for i have a ashdown five fifteen 100watt 1x15 combo and once and a while the volume will spike very loud for about 10 to 20 seconds and then come back to normal now i first thought it was the pedels ive been useing but i then ran direct into the amp and it still did it i then thought i was the new active pick ups i had put in so i tryed out a passive bass on it and it still does it now im lost and dont want to take it somwhere if i can get an answer of fix it myself...now it dosent do it constintly just once and a while any help would be great.