Home › Forums › Products › Stompboxes › How is it that my 250K ernie ball works? › Reply To: How is it that my 250K ernie ball works? April 9, 2015 at 10:58 pm #127704 KCStratmanParticipant Did you go through the calibration (enable calibration/disable calibration) procedure on the H9 or in H9 Control?
