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Comments: The best part of this string is it's sill playable without a significant trampoline effect after I've played it
for over 20 hours in 2 months on my PS 85 at 60 lbs. I don't recommend this string to anybody unless they are seeking a stiff and
low powered string. My current string, SPPP 1.18, is good in that until 5 hours where it starts flying balls. The string movement is
not big but still it's a little annoying after I got used to poly. I'll try this string in main and SPPP 1.18 in the crosses sometime.
From: Key, 2/15
Comments: I bought this string due to it's high reviews at stringforum.net. However this string plays stiff abd
sluggish with little pop. It hurts my elbow somehow. It's very similar as another type of stiff string: Kevlar. I have to cut it after 2
From: Mike, 7/13
Comments: What a pleasant surprise, indeed. The Energetic 17 provided a bit more of controllable power, a little
less spin and comfort, with better tension maintenance than my current string. My current string is Weiss Cannon Dual Reality. I've
been using this for several weeks with great success. I strung the Energetic 17 at 24kg/23kg in my Dunlop Aerogel 4D 200 Tour
and it performed better than expected. Due to the price /performance ratio, I would rate it atop of the strings I've been
From: Jevon, 3/13
Comments: Bought this in 17g seeking a little extra spin and I'm not really getting a lot of spin. The texture of this
string is very smooth to the touch and it doesn't seem to bite as much. It also has so much trampoline that I have to hold back on
my swing to keep the ball in. If I could generate more spin, I'd be able to hit out with it but I can't. Other than that, the feel at ball
impact is very nice and it seems to hold tension very well. Not a bad string but not what I had expected. Next time I'll try a 16g
From: Matt, 7/12
Comments: The term "pleasant surprise" is definitely deserved. Seems to do everything nicely for a pretty decent
From: Noel, 5/12
Comments: I was pleasantly surprised by the performance and durability of this string. I have no problem
generating spin and I like the combination of control and power I get from this string. It is stiff for a multi but that is one of the
reasons that I like this string, because it does not get mushy/trampoline like. I had this strung on Head Speed Pro at 58 lbs.
From: Malik, 7/11
Comments: I love this string. It has great control, power, and maintains tension, easy on the elbow. After
Tecnifibre discontinued the TR PRO, it took me two years to find this string, which I like even better. It is very gentle on my elbow.
There is plenty of pop on my serve and excellent touch on my volleys. Frankly I hit a pretty flat to slice ball, so I cannot comment
on spin - I certainly get bite on my drop shots and drop volleys. I am a good 4.0 doubles player with a Volk PB3 110 square in
strung at 60 lbs.
From: Mac, 7/11
Comments: I love this string. I put 2 lbs less than normal on my Head Prestige (64) and it feels great. A perfect
balance of power and control and it feels like the sweetspot increased in size, no hard vibrations if you hit outside the center. It
also gives me plenty of spin
From: Herwig, Valinhos, SP, Brazil, 11/07
Comments: Have tried both 16 and 17 gauge. 16 gauge lasts a tad longer, while
17 gauge is noticeably livelier. Prefer the 17 gauge: the livelier feel of the 17 is worth more
than the bit of extra durability of the 16. Others comment that the 16 feels dead; while this
may be more or else true, control is not lacking in the 16. The 16 allows you to get out of the
stringbed only what you put into it, not more or less--the stringbed (and your shots) becomes
predictable this way. Reducing tension could add pop. Both play best newly strung and
maintain tension noticeably thereafter. Vibration is somewhat muted on both versions (less
muted on 17). One could actually play without a vibration dampener. This quality may help
the elbow a bit. The 17 has all the benefits (tension maintenance and muted vibration) of
the 16 with the added benefit of a livelier responding stringbed. They are both control strings
if you know what to do.
From: Jim, California, USA 01/06
Comments: Well, my first impression is that it plays like kevlar without that pesky
durability. Spin production is weak compared to my regular string, Gosen OG micro, and I
didn't like the stiff feel. I'll give it a few more sets before I cut it out, but isospeed energetic is
probably not going to be one of my favorites.
I'm a 4.0 all court player using a prince thunderlite mp, strung at 63lbs.
From: Peter, Coos Bay, Oregon, USA
Comments: At first, I thought I had found the perfect string. It feels good, got lots
of spin, and lasted a long time. However, it was too good to be true because after a week,
my arm was hurting so bad I thought it was going to fall off. Back to the drawing board on my
search for the perfect affordable string.
From: Michael Tomlinson
5.0 USTA Ranking
Head Ti Heat Comfort Zone