When I recently woke up in the middle of the night and couldn't go back to sleep, I suddenly had a brainwave! I tried this early in the morning and it's embarrassing that I didn't think of it before:
the right output of the Kemper goes directly into my audio interface as usual. The left output of the Kemper goes into the mono-in of the Mimiq Doubler and from there I go with the left output of the Mimiq (ie only the effected signal) into the interface!
It actually sounds almost the same as it used to when I played over two amps in the past.
In those days the Mimiq was always on. This of course slightly changed the character of the delay if I turned it on. But it was also kind of cool, there was something three dimensional about it...I thought then I could bypass the Mimiq with my G-Lab MIDI looper once I select a rig with a delay.
But unfortunately I had a slight crackling in the signal again as soon as I switched from a delay rig back to a rig with the Mimiq in the output.
I probably won't use it to play live, but it's fun for rehearsals!