Home › Forums › Products › Stompboxes › H9 Power Issue › Reply To: H9 Power Issue September 13, 2022 at 5:00 pm #165576 joecozziModeratorEventide Staff jm345 wrote: The H9 is 9v,200 mA, center pin (-) That is incorrect. The H9 is 9 V, 500 mA, center POSITIVE.
