" d+ ?8 t- X3 |7 cDynamic Tension DT ( DT-value) / DT is the string bed stiffness 1 h$ g- v- z0 X6 v' M8 DDT is ball power in kilo pond required to depress the string bed 1 cm at the sweet spot(ball impact) , |5 Q. x6 B* e; Y: RDT determines the playing characteristics power and control.0 |$ U4 V5 s% G# r! T' n Y
Higher DT for more control / Lower DT for more power & R) ]! P4 F* D: d2 qNot recommended to play tennis when DT below 28 5 L8 a3 S5 U2 |8 w* i8 aRestring the racquet when the DT-value has decreased by 10% to 20%9 z$ J7 c* B' U. G0 {
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Lo DT 28-34 Defensive play / Club4 \( y; C$ x% U% }: C4 L; b
Mid DT 35-41 Dynamic,offensive play / Club,WTA ; j0 |% t, J# G) eHi DT 42-46 Fast,aggressive play / Club , WTA , ATP - I G6 A" N4 }" OHi+ DT 47-54 Very fast,extremely aggressive play / ATP $ h/ }$ o: x2 ^# l* W : ~4 K% O) S+ x' c. s% BWithin the first 2 to 4 hours after stringing, there is often a remarkable tension loss of 2 to 4 DT , called stabilization losses. 3 }+ }& }3 o. V. J ( J7 S2 F; m3 j在stringforum左方DT database 選擇你的球拍,即可查到相關線種掉磅chart. 2 L( i# K% l) @' L" T# H7 [ 8 \0 k, D' B3 l$ x* G6 k6 n作者: henrylin424 時間: 2011-8-21 10:56 回復 henrylin424 的帖子 9 e. ^% y1 K9 d& e& b- k9 J) u' p6 }3 S, M% F! w- U Gamma ATS ERT 300 Tenniscomputer4 e) |6 X6 d. }+ J" c8 e
TW上售價169美金,海外運費36美金 . W* D3 n% x! ?+ p. e) ], U- j @