Hey guys. Not sure if this is the appropriate sub-forum, if not feel free to move it mods. Just picked up one of these and if I play it attached my T-Rex Fuel Tank by itself, works sweet. Attach so much as one pedal in the chain and a high-pitched whine begins. Have tried different leads, patch cables, pedals and amps, and every jack combination in the back of the pedal I think see, no joy. Any insight to those who run stereo delays in their chains? Do you need a separate power supply for the delay perhaps? Is this a problem all delays have? EDIT: Disregard, having a dedicated power supply solved the problem. EDIT2: Dear God this is an awesome pedal. Will have a play and then do a video.