Between Babolat Xcel, Head Reflex MLT, Technifibre X-1 Biphase, NRG2, and Wilson NXT, it would be pretty expensive to try even a few sets of each. Was hoping if you could share your experiences and comparisons if you have tried a few of these strings.
Of these, I've only tried the technifibre multis which seem to be the most well characterized already, but I'll add my two cents anyways.
X-1 Biphase
Power: Super high. Balls rocket off the racquet faster than with any other multi of the 15 or so I've tried
Feel: Feels very elastic but only slightly rubbery. Still crisp at ball contact but soft at the same time.
Control: Below average. Controllable at higher tensions or with more spin. If you hit flat you may not like it.
Spin: Pretty low. Has a pretty rough coating
Tension Maint: Good. Dropped initially after 30 mins but maintained a relatively steady tension for the duration of its life.
Durability: Average. Notches easily but remains playable for quite a while.
NRG2
Power: High. Almost as high as biphase but more controllable.
Feel: Overall feels like a less "extreme" version of biphase. All characteristics move towards those of a more generic multi. A little stiffer, a little crisper, a tiny bit less elastic. Still a very unique multi
Control: Average.
Spin: A bit better than biphase. Coating is smoother though.
Tension Maint: Good. Have not played it long enough to compare very precisely with biphase
Durability: Average. Still notches easily but not as quickly as biphase.
Of these, I've only tried the technifibre multis which seem to be the most well characterized already, but I'll add my two cents anyways.
X-1 Biphase
Power: Super high. Balls rocket off the racquet faster than with any other multi of the 15 or so I've tried
Feel: Feels very elastic but only slightly rubbery. Still crisp at ball contact but soft at the same time.
Control: Below average. Controllable at higher tensions or with more spin. If you hit flat you may not like it.
Spin: Pretty low. Has a pretty rough coating
Tension Maint: Good. Dropped initially after 30 mins but maintained a relatively steady tension for the duration of its life.
Durability: Average. Notches easily but remains playable for quite a while.
NRG2
Power: High. Almost as high as biphase but more controllable.
Feel: Overall feels like a less "extreme" version of biphase. All characteristics move towards those of a more generic multi. A little stiffer, a little crisper, a tiny bit less elastic. Still a very unique multi
Control: Average.
Spin: A bit better than biphase. Coating is smoother though.
Tension Maint: Good. Have not played it long enough to compare very precisely with biphase
Durability: Average. Still notches easily but not as quickly as biphase.
