If you have an early H9 (before serial 16329) you will need to make a simple soldering mod to it. See https://www.eventideaudio.com/forums/topic/h9-modification-for-midi-power/
If you have an early H9 (before serial 16329) you will need to make a simple soldering mod to it. See https://www.eventideaudio.com/forums/topic/h9-modification-for-midi-power/
