Originally Posted By: myrison
Did you try playing with the ground plugs on the amp? I had to do a bit of this with mine before finding the right combo that would work. Also a cheater plug (3 prong to 2 prong adapter) will help (though apparently there is some electrical risk in doing so) \:\)

Jason


A cheater plug IS an electrical risk!!! This should ONLY be tried to see if the hum is silenced. This is NOT a fix!

You said that you had no hum using one sub. Did you try using ONLY the "other" sub?