I would think that the issue is that your preamp is not on the dedicated circuit. What circuit is it sharing ? I found that my pre and amps need to be on the same dedicated circuit.
I was joking about the cryo part. A professional? He may know how to run the wire safely, but he doesn't know squat about audio needs.
I was joking about the cryo part. A professional? He may know how to run the wire safely, but he doesn't know squat about audio needs.