I would purchase in Europe and make sure the product switched to 120/60Hz for use in the U.S. I've taken product to Europe and purchased a down converter for smaller electronics. It worked fine, but they were not upper end electronics. I took a Proton 300/301 table radio combo with a Kyocera 810 cassette deck. No high voltage/amperage demands.
You will also have the customs headache when the product arrives. They will assess value and you will need to show that you did not sell it while in country.
You will also have the customs headache when the product arrives. They will assess value and you will need to show that you did not sell it while in country.