Home › Forums › Products › Stompboxes › third H9, big volume drop › Reply To: third H9, big volume drop July 31, 2017 at 7:23 pm #146907 roverdogParticipant I have the same problem, running between an ADA MP-1 and an ENGL 820 power amp. No drop in volume when used in front of the preamp. Trying to use the stereo capabilities of the H9 live. Thanks
