With some EQ it comes very close to the SM57 and sounds great.
While not an exact clone of the SM57 with the EQ settings below, it is very close and I actually prefer it to my 4x12 SM57 with greenbacks. Band gain Q128hz -3.5 2.0q310hz -3.0 1.0q4200hz -5.5 1.8q6500hz +2.0 2.0q10500Hz -4.0 5.0q