Home › Forums › Products › Stompboxes › H9 yields bad hum when plugged in effects loop › Reply To: H9 yields bad hum when plugged in effects loop
December 1, 2013 at 7:29 am #135852
Resolved: It turns out to be the H9 power supply is the source of the hum. I found a spare 9v/500milliamp power supply, tried it with everything connected the same and there's zero hum, just H9 beauty. Just reporting back in case this happens to someone else.