Well I guess I should have known better but I took a punt on the following LPS from Chinese ebayer;
http://www.ebay.co.uk/itm/1113288910...%3AMEBIDX%3AIT
I specified 5v and 15v to use with my SBT and Beresford DAC and have today received a LPS that outputs 12v and 10v.
Would this be adjustable in anyway or have I been sold a Pup :)