Man, I really don’t know. The Instant Phaser was in the first studio I ever worked in, and it was magical. I’m all over creating H9 presets, but I can’t tell you that I could recreate that exact aural experience. I’m sure that the H9 Phaser algorithm could come close enough. I don’t know if the plugin version is a viable option for you:
https://www.eventideaudio.com/products/clockworks-legacy/phaser/ps101-instant-phaser
