Elektron power supplies are universal i.e. work on 100V to 240V AC
http://www.elektron.se/content/power-supply-mdmm-mkii-and-octatrack-compatibleYou just need to buy the part that plugs into the wall (and into the adapter)
Like this (if you're in the UK):
http://www.ebay.co.uk/bhp/radio-power-lead