My responses from manufacturers, designers, etc. in regards to the suitability of trying, and the efficaciousness of Schroeder Method has covered the full spectrum. Some laugh it off, while others discuss potential issues that they feel the Schroeder Method should be avoided. Yet others find it fascinating and say they will try. Some feel it's benign in terms of what equipment it could be used with, and the most recent tech with a background in electrical systems said it will always improve a system. He feels I stumbled on to one of the few absolute ways to improve signal transfer.
That's not an official go ahead to try with class D amp!