hello im having a serious problm with my amp someone not gona say who but they stuck a reguler instrument cord inside my input and bent it and now it doesnt work im thinking what they did waas bend mabey somthing inside ther because it worked fine befor they done that does anyone here have any idea mabey how to fix this its a 1800 12inch behringer you can find it under musiciansfriend under bass amps plz guys someone help me i just bought this amp and i dont have enough money to by another one it would really mean alot if i could fix it some how. ty