Home › Forums › Products › Stompboxes › New user: why do some factory presets want to blow up my amp? › Reply To: New user: why do some factory presets want to blow up my amp? March 1, 2015 at 7:11 pm #138432 nickroseModeratorEventide Staff It sounds like you may have some kind of feedback path in your setup. Have a good look and be sure that you are not ever feeding the H9 with anything other than guitar.
