TEST www . ersa-stringers . com
TEST www . ersa-stringers . com
KIRSCHBAUM PRO LINE II - ROUGH
KIRSCHBAUM brand needs no presentation ! A top quality string maker from years creates new strings in the groove of tradition but at the same time with a strong innovation and creativity feeling .
We ‘ re going to test the new PRO LINE II ROUGH , the structured , roughened version of the modern classic pro line II poly string , well known from tons of players and stringers .
In this case for our test we choose the 1.25mm gauge , the most famous and used but don ‘ t forget the sting is also available also in 1.15mm , 1.20mm and 1.30mm gauge that let you choose by your need .
The static traction test from 5 to 35kg put in evidence a linear constant behavior due to the quality of the co-polyester who is characterized by a medium stiffness value ( 0.75kg / mm ).
The dynamic stiffness , measure of comfort and soft impact on the arm during the play , is quite high with used string : 225- 230g / mm à 220-225lb / inch . The value is not low but not so high to compromise the overall comfort given by the combination of static and dynamic stiffness .
Power perception is good due to the string soft feeling and also due to the good reactivity of the string . Also the reactivity
23 ERSA PRO STRINGER // ISSUE 5-2018