i am in the next three months upgrading my power cable on the denon1909 to copper line alpha power £35 which got 5 stars in aprils mag i think but it is a 3 pin. My denon 1909 kettle lead is the same shape and size but on has 2 pins is this because my denon i a class 2 product and it make a differance or do i need to buy a 2 pin lead many thanks.