DG, you are going to LOVE that Elmasonic. Nothing like German precision, here as elsewhere. I clean for 12 minutes at 80 KH, more for the very dirty. Enjoy!
Steve, it's very simple to test: clean a record the conventional way, dip it half into the US tank, cook it for an hour, rinse, dry, and play. The sound will change dramatically about every second. If you prefer the sound from the US side, you have your answer. This I have done - and the answer, to me, is obvious.