Home › Forums › Products › Stompboxes › H90 voltage or milliamps › Reply To: H90 voltage or milliamps July 14, 2023 at 7:28 pm #172458 howardostParticipant I run mine at 12v 800ma. I did find that my original H9 power supply left the pedal in waiting to boot stare. I’ve heard people run theirs at 9v 800ma but I haven’t tried it.
