On Monday, 13 May 2019 09:49:20 UTC+1, Martin Brown wrote:

The other thing to watch is that some US stuff is really tight on the
power rating for the transformer and it may be close to saturating the
core when run at 50Hz instead of the designed 60Hz. Those crap mains
electric razors they used to sell at Xmas relied on a 60Hz mechanical
resonance to work. Sold in the UK they only lasted a couple of years.

you mean Remington?