Rob Roberts Posted March 30, 2016 Report Share Posted March 30, 2016 has anyone heard of this brand concept audio and if so do u have or know of problems with these amp because i have fount a big problem that is from factory . how can a amp ground if there is paint where they ground. there is no clean spot for the amp to ground so if u are having a problem make sure the board is grounded to the heat sink if not u might have some kind of feed back with no findable problems . i had a feedback noise that i could not figure so i replaced with a new amp .so i dicided to pull this apart and found my problem with the ground Link to comment Share on other sites More sharing options...
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