@geoffkait - YUP!
You can purchase mu metal on eBay.
You can purchase dampening material already recommended above or go to the Mad Scientist website and buy his reese's pieces things and place them on the transformer with good results.
You can buy transformer covers.
You can buy copper plates and isolate the transformer using double sided tape to hold them in place if you can.
You can buy a separate aluminum box on eBay and move the transformer out of the one chassis.
Happy Listening.
You can purchase mu metal on eBay.
You can purchase dampening material already recommended above or go to the Mad Scientist website and buy his reese's pieces things and place them on the transformer with good results.
You can buy transformer covers.
You can buy copper plates and isolate the transformer using double sided tape to hold them in place if you can.
You can buy a separate aluminum box on eBay and move the transformer out of the one chassis.
Happy Listening.