^It's a good match for the more powerful, stiffer and open patterned racquets. No good in 18x20's. Along with kirschbaum's pro line, pro poly tour is the deadest I've ever played.
They get better on the 2nd and 3rd outing, but 47lbs is a good starting point for that string.
Tommy Haasian GOATmode*
* = FedK (tm)