 
The Encounter core is the same dynamic core found in the original Encounter. Bowlers have come to love the Encounter core for the performance it provides through strong and versatile performance characteristics.
Core Type
              Symmetric
          16 pounds
RG
              2.510
          Diff
              0.047
          15 pounds
RG
              2.500
          Diff
              0.052
          14 pounds
RG
              2.520
          Diff
              0.050
          13 pounds
RG
              2.530
          Diff
              0.055
          12 pounds
RG
              2.600
          Diff
              0.039