' V$ t6 H l0 ^( \Dynamic Tension DT ( DT-value) / DT is the string bed stiffness 2 O- F( e7 G8 U$ x# ^2 MDT is ball power in kilo pond required to depress the string bed 1 cm at the sweet spot(ball impact)2 f2 i7 M4 J% v2 _, t8 q5 w
DT determines the playing characteristics power and control.* y# n2 ?( o6 p7 R5 a& D3 g$ c Z
Higher DT for more control / Lower DT for more power 5 `2 P2 S$ ?+ K0 ]) DNot recommended to play tennis when DT below 28 ) ]' X5 j- b" r0 rRestring the racquet when the DT-value has decreased by 10% to 20% & d$ J$ s6 s* i4 ]; K# _, }- f# v
Lo DT 28-34 Defensive play / Club# g E+ B# v2 e/ e
Mid DT 35-41 Dynamic,offensive play / Club,WTA) ^' r1 d8 J% |# l; k3 D
Hi DT 42-46 Fast,aggressive play / Club , WTA , ATP7 B" \: Y% C! g) |6 ^8 u% T' \2 Y
Hi+ DT 47-54 Very fast,extremely aggressive play / ATP 9 q5 {! x. n/ m6 k# j& N ! Q% U5 [. q& Y" b: f9 EWithin the first 2 to 4 hours after stringing, there is often a remarkable tension loss of 2 to 4 DT , called stabilization losses. , {4 W( Q5 b. H+ @6 B8 L/ ?. ?/ L - X% @, l6 o$ j- O在stringforum左方DT database 選擇你的球拍,即可查到相關線種掉磅chart.8 j; I( w- M/ t