Chad Beattie
Experienced
I found this from a while back. Matt saying they take up a lot of memory so might be why it's limited to 6.
https://forum.fractalaudio.com/threads/using-a-fc-12-to-control-backing-tracks.154649/post-1839340
https://forum.fractalaudio.com/threads/using-a-fc-12-to-control-backing-tracks.154649/post-1839340