While I don’t have the MA252, I do have a Mac C2500 tube preamp with a Mac MC302 300wpc power amp. I also have a Mac MA6600 integrated and on both systems I use Canare 4S11 speaker cables. I did have quite expensive speaker cables before these but the Canare is much better at 10% the price of the big boys. I wrote a review on the Canare, documenting the break in period. You may want to read it
