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Comments: This string plays well with this thin gauge (1.18). It offers not only high power, medium spin and
comfort, but also excellent ball control and feel. Tension stability is better than most. Its power and spin are not as good as
Luxilon ALU Power or Babolat RPM Blast, though its control is about the same, and its feel and comfort are far exceeded them. The
string lost its elasticity (feels dead) when moving. One needs to cut it off! I have been playing with this string for longer than 5
years, yet have not found a better one. I admire the power, control, and spin combination of ALU power and RPM Blast, but they
offer little feel and comfort.
From: Chanh, 10/12
Comments: The only not so good thing about this string is that I snapped it twice while stringing and for one
successful string job it broke at the top edge of the frame after 6 matches or so. I still have one whole reel minus 3 sets and don't
know what to do. Similarly with the thicker gauged Signum Pro Poly Plasma which I used up a whole reel; It broke at the same
location every time, at the top edge (never in the middle) due to mishits I think. I know it is not the racquet because I tried some
other strings during this time and they broke in the middle. So I think if you mishit a lot like me and / or if you string racquets on
a regular basis then think twice about buying this string. It is very brittle! It is a bit of a waste of time and money when you can't
completely wear it down.
From: Thuan. 07/11
Comments: This is a great string. I used to use Pro Hurricane Tour, and it lost tension too fast. This string has so
much bite and it has amazing for spin and playability. This string increased topspin dramatically and is great on the arm. I play
every day and am a grinder; I hit very heavy and this string is not very durable for my game. It tends to break after 2 days for me.
This is the best string I have ever had!
From: Sam, top 10 junior in state. 14 years old. strung all poly at 56.5, United States. 8/10
Comments: Nice soft polyester strings with lots of good pop, spin, and feel. Lasts long as well, so did not have to
restring every 3 weeks, but now I hold these in at least a month. 4.0 Player using Youtek Speed Midplus 16x19, strung these at
From: Andy, San Diego, CA, United States. 5/10
Comments: This is the best string ever. I'm a big server and these strings don't seem to pop. I have tried Big Banger
and popped that in 2 weeks. Switched to sppp and still have the same set for 2 months now. Love it.
From: Tony, South Houston, Texas, USA
Racquet and tension: Liquidmetal Radical @ 54 lbs.
Comments: I have been using Signum Pro Poly-Plasma 17g (love them) for about 6 months consistently playing 3-4
times a week, from 2-3 hours each session, and I recently bought a 660 reel of the 17L thinking "hey these strings are really
great, so why not go thinner the string will be even better." and wish i had stuck with the regular 17g. I've probably strung 5 sets
for myself with the new stuff. I had much more power w/ 17g and less string movement even after trying to increase tension with
the thinner 17L. Oh and they take some break in time and after approximately a few hours of good hitting they go dead and you'll
feel it for sure. I hope someone else finds this true so i wont think its in my head.
From: John Hoffmann, Conway, AR, U.S. 06/09
Comments: I have found these to be excellent poly strings. I would rate them very good in the power and spin
potential categories. In terms of control, comfort and feel these strings earn an excellent rating. The only deficiency that I can site
is durability, they typically break on me after 3-4 matches. About 1 hour before they break they go dead so you will know. IMO
overall excellent strings that compare favorably with Luxilon ALU Rough and Topspin Cyber Flash 1.25 albeit with different playing
characteristics. I may have to playtest all 3 again to see which I like the best if these end up being my 3 favorites. I will test SPPP
Hextreme 1.25 next.
From: Rick, 4.5 player, NY, NY. 4/09
Comments: Although the power of these strings are good, they are far too soft. They completely lack in a crisp
pop-like feeling. I've tried them once, and although they are better than strings such as Wilson NXT, they are not right for me. I'll
be trying MSV focus-hex next. Not to put down these strings too quickly, they beat out just about 75% if not more of the strings
out there. However, I'm looking for more pop and a crisper feeling.
From: Robert, Pennsylvania. 11/08
Comments: I totally agree with Ravi about the instability of this string. Twice these strings have broken before I
even played a point (they were crosses @54 with VS natural gut as mains @57). It is perhaps interesting to note that I too am
stringing on a McEnroe Maxply. Probably a good string but I am going back to my beloved MSV Hex 1.10.
From: Jon, Milwaukee. 6/08
Comments: I love them, but I think Prince Top Spin gives more spin. Still, I will give them more time. Very easy on
the arm at 55 pounds on my Prince O3 Shark. Very difficult to make knots with this string. It kinks easily.
From: Simon, Champlain, NY. 6/08
Comments: Great Spin/Feel/Control/Power/Tension maintenance. I strung it in the mains at 60, and used ISO-
SPEED Control+ as crosses at 62, but they drop about 4-6 pounds after a 2-hour practice, and after that, they seem to stay at that
tension (my case 56-58). And everybody who has tried my stick with these strings said it is the best playing stick they've tried --
even this 53-year-old tennis instructor who's been playing for 40 years and tried every stick there is. Wilson nCode NPro(16x19).
From: Anon. 2/08
Comments: By far the best polyester string I have played with in a long time, possibly the best ever. It feels like the
ball is sitting on the string bed and explodes off the string bed like a cannon. I had it on the mains with a soft multifilament, and
it gave it an extra "oomph" on my groudstrokes and a little bit more "ahh" on my droppers. If you liked Luxilon Big Banger ALU
Power 16L, this is the string for you.
From: Ben, New Canaan, CT, USA. 12/07
Comments: Good string when I first strung up. Comparable to Pro hurricane tour, which I normally use. Good pop
and spin. However, after about 2 weeks it feels unplayable. Kind of loses it's feel and power but that's to be expected. I would say
it's a good poly overall, but I'll stick to PH Tour
From: Carlo, Lubbock, TX, USA. 5/07
Comments: This is a great string and I agree with most positive comments and none negative. Those who break it
too quickly, safe them for crosses and use thicker gauge for mains. Needs around 1 hr to break in, but then the feel, comfort,
control and spin are just great. Can use a bit higher tension than for Luxilons. When the strings start to move considerably, it is
time to restring.
From: Waldemar, Winston-Salem, NC, USA. 3/07
Comments: Amazing string! There's so much control in it and much easier on the arm than many polys. It is
imperative to string it as recommended, at least 5% below your normal poly tension, preferably 10%, so you can get more power
out of it. I strung it on a Wilson n6.1 95 (18-20 string bed) at 55lbs, and that is a bit tighter than I want it to feel, nevertheless,
the performance is astonishing and there is absolutely no string movement.
From: Bobby, Stamford, CT, USA. 3/07
Comments: I'm a 5.0 player that has been experimenting with a few different poly's for the past two years now.
Based on the reviews I decided to try this string out, iRad @ 60LBS. for mains & crosses. Did not like it at all, felt very boardy,
didn't get that amazing control I've heard about, had no bite on my slice and didn't get that much top spin either. I have been
using the Babolat Pro Hurricane 18 @ 62LBS in my iRad for some time now and get tremendous feel, control, pop and plenty of
spin & slice. Truly disappointed with the Signum string, based on all the reviews I thought I had found the Holy Grail of strings, I
From: Jason, Los Angeles, CA, USA. 2/07
Comments: I have been using Luxilon ALU Power Rough 16L for quite some time, and thought I try SPPP 17L for
more feel. And what a difference! The feel is great! It seems like I have more spin, and have more control of the ball. I notice
though that my power is not same as the Luxilon, but I feel that most of my shots are going in - more accuracy and more
consistency. If you are looking for better feel, and more consistency on your shots, try this string - you will not be disappointed. I
am using the Dunlop M-Fil 200 Plus 2006. Main tension is 56lbs, and cross is 54lbs.
From: Cliff, Redford, MI, USA. 2/07
Comments: Best string ever. I've tried Luxilon Alu Power, Babolat hurricane Pro Tour, but this 1.18mm price-wise,
tension, feel, comfort and spin is perfect for my game. I play with a Prince White O3 @ 58 pounds (both mains and crosses) and
the string does not move at all. Try it and you will never change to another one.
From: Jesus, Fort Worth, TX, USA. 11/06
Comments: My usual string is the Pro-Hurricane 17 (both mains & crosses) @ 57lbs on an AeroPro Drive. Tried this
on a stringer's recommendation @ 56 & 57lbs. Lots of power compared to Pro-Hurricane so much so that my shots felt flatter &
started to land long. Quite unforgiving on shots that are not well setup, i.e. getting to ball late. However, if you have good
footwork & set up shots well, this string will reward you with unreturnable shots. Better for players with semi-western or extreme
grips (better to tame the power). For others, you may have to tweak your strokes & footwork to get the best out of this string.
Finally, it has good feel & durability
From: T.Jones, San Francisco, CA, USA. 10/06
Comments: I strung up my very old Wilson Ultra II with the 17L gauge of this string at 57M/55C and it plays much
more powerfully than the same racquet with TNT Fat Core 16 gauge string, along with providing a lot more spin capability. In fact,
the power levels are so much higher that I don't feel like I can use this racquet to practice with any more, and have switched to a
wood racquet instead.
I have another, OS racquet with 16 gauge SPPP and they feel more different than the differences in racquet would seem to indicate. The 17L gauge seems softer and firmer, and seems to buzz less.
From: Posted by Midlife Crisis on Talk Tennis, 7/06
Comments: Just amazing, pinpoint precision, easy on the arm, drop tension about 5% and you will never use
another string in your life!
From: Alex, Los Angeles, CA, USA. 4/06
Comments: Fantastic string, good power, excellent control and bite on the ball for extra top spin,
and nice penetrating unretunable serves. Lower you tension by %5 and you are on your way to glory! I also
used the 17g but this one plays much better. I use it on Babolat areo drive at 55lbs
From: MO, Bethesda, MD, USA 01/06
Comments: I have been playing tennis for more than 15 years now and have tried a lot of strings
and would have
to say that the Signum Poly Pro Plasma in the 1.18mm 17L gauge is one of if not the best strings I have tried. I
am using a Wilson
Pro Staff Classic 95 strung at 58lbs. My control has improved especially on the serve and volley and there is
still good power plus
there is no movement on these strings. I will have to get back to you in regards to durability and tension loss but
so far I am very
happy. I will be getting more to use in my other Classics.
From: Roland, Far Nth QLD Australia. 12/05
Comments: The Plasma is a nice string that fits a much needed niche : a relatively comfortable ,
softer feeling poly
that is reasonably priced and holds tension very well. The areas where it sacrifices a little are ball feel and pop,
that is compared
to Lux ALU as a reference poly. I will say however that I've noticed that it feels much better after a few sets. It
tends to feel a little
"boardy" at first, but after it breaks in, the feel gets noticeably better. I've never tried it straight up, but like it with
The 17L g. has the most feel IMO, but I think it actually has a little less pop than the 17 g., so I'd say I like the 17
g. the best
overall. The tension does really hold very well for a poly (for any synthetic string for that matter). I do wish it
came in other colors
though, as it looks pretty garish in some frames (although kind of cool in some others)!
From: monologuist, from the Talk Tennis message boards. 11/05
Comments: I'm a hard hitter who spent about $2000 trying to find the best string price/performance
years. Stopped at Signum Poly Plasma - German technology! You will never find a better tension stability string
no matter you'll
to find. Not to mention the price. Tremendous durability for the thin gauge. Feel and comfort are way over
behavior within humid red clay courts. Spin is excellent as the string bites a lot. Plenty of power as I would
place this string within
the control strings category. The closest to Luxilon Big Banger Ace, if not better. Try it and you won't regret it! Iím
a 4.5 level
and use this string in an RDX500 @ 58/56lbs.
From: Gabriel, Romania. 11/05