In my experience, most manufacturers wind (or have wound) transformers to accomodate 220 or 110v operation - saves time and money for export purposes. You might try opening the chassis to see if there are a couple of extra wires on the primary of the power transformer. Typically, the power trans is wired in series for 220 and parallel for 110. There are some products that have a 110v/220v switch on the inside of the chassis for this reason. My guess is there is some simple way to make the conversion. (I purchased an audio note amp from the UK which I reverse wired from 220 to 110)
Good luck -
Good luck -