the power supplys that are deliverd with the german versions of the eventide pedals have poor quality. See other postings from me and other users.
I've replaced the unstabiliced crappy units with switching power supplys from netgear routers (12V/1A) and have added extra filter, overcurrent and overvoltage protection. They cost me 4,-€ plus shipping each and have better quality than the orginal ones.
Here are lots of postings about problems with different power supplys.
It's not a good idea to daisy chain the eventide power supply with other pedals, they need a isolated supply.