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Comments: I wonder why there have been no reviews about this string after 2012. This string is amazing. Gives me
good bite, good power and good feel. Comfort-wise, I didn't have a problem. It lasts also long (3 weeks). This is my go-to string. I
am a 5.0 rated player and use my trusty Wilson KFactor 95 at 52 lbs. If anything, I just wish it had more control while killing the
short balls. But overall, I am happy with this string.
From: Vish, 5/15
Comments: While its a good string with lots of spin and control, I must confess this is the only string where I have
had a problem stringing. I have had the string break on me a couple of times when stringing. While I am not a professional
stringer, I have strung over 200 racquets and this was the only string that I have had break on me.
From: David, 12/12
Comments: I've been playing with Tornado 1.17 at 51 lbs and 1.23 at 52 lbs for about 2 months - (RDIS 200 Lite
98sq, 16x19). I agree with D., from Temecula - good power, control and very good topspin. Both gauges don't move and hold
tension well. However this string has little ball pocketing and/or feel. IMO if you are all court player or play singles and doubles
there are better strings on the market. Overall this string is just OK especially considering the price and value.
From: Anon, 1/12
Comments: This string is amazing and lasts me 2-3 weeks depending on how
aggressively I play. The string has amazing spin, but after 2-3 weeks it goes dead. But overall the string is great!!!
From: Marcos. 11/11
Comments: This is a great string! I have it strung on my Prince Rebel 95 and my topspin has increased greatly. I
highly recommend this string to anyone looking for spin.
From: Albert, 10/11
Comments: I strung a full bed of this at 50 lbs in my Volkl Power Bridge 10 Mid, and I find that I can get great spin
and even some power. This string also maintains playability longer than most other polys out there, such as Babolat RPM Blast. I
am a junior player with a full, fast swing.
From: Zach, 8/11
Comments: I have bought 2 reels of Signum Pro Tornado 17G. It is my favorite poly string. Great spin and Signum
Pro strings seem to play better for longer when compared to other poly strings. Be sure to drop your tension at least 10% below
your your soft string tension (gut, multi, or nylon). I hybrid Tornado and like it both as a main and a cross. I string tornado at
50-52 lbs and the multi string at 54-56. Usually a 3-4 lbs difference and it works well. If you drop the tension, it is easier on the
arm and it still provides a nice crisp string bed for excellent spin and control.
From: Joe, 8/11
Comments: Very good string, the best I played so far. Plenty of power, lots of spin, while durability is okay. It took
about 15 hours to break. Tension loss occurs after about a few hours heavy hitting.
From: Ben. 7/11
Comments: This is one of the better strings out there. It's much better compared to RPM Blast and Black Code. It
has nice ball bite and control with raw power. I strung it on my Aeropro Drive GT @ 55lbs. I'm going to stick to this string for a
From: Jaguar, New York, NY, USA. 5/11
Comments: I have been playing these strings for about 3 months and it is a great string. My favorite poly/co-poly.
I have tried many of the polys/co-poly strings and this one is the best. It provides great spin and control and is easy on the arm
when compared to other polys. It retains tension better than any poly string I have used. If you are not playing poly and try these
strings, drop the tension 3-6 lbs below you normal tension. These also hybrid well. I am currently using these in the mains at 53
with NRG2 or Babolat tonic 16G gut in the crosses and it plays great. I also have used the gut in the mains with Tornado in the
cross and that plays great too. They do not saw the soft string like some say. I am getting 15-20 hours of very good playability
and usually cut the strings out before the cross breaks.
From: Anon, USA, 03/11
Comments: These are some excellent strings! They're the best strings I have played with so far! I will soon buy a
reel. They have great access to spin!
From: Kai, Arlington, TX, USA, 01/11
Comments: Excellent string! Great crisp feel without being harsh on the arm. I drop the tension 10% below where I
would string a syn gut. I have tried many polys and this is my favorite. I use it in mains with a multi or syn gut cross. Spin is
above average. Feel is very good. Power is good if you drop the tension 5-10% below normal syn gut tension. Durability is
outstanding. And, tension maintenance is very good. I play at the 4.0-4.5 level and get about 20-25 hours before the strings
begin to lose their feel a bit.
From: Tom, Jackson, NJ, 12/10
Comments: Using as M w/Bab. Addiction 16 as X, this string outperforms RPM Blast in spin, power and tension
maintenance hands down. Kudos to Signum Pro! Can't wait to compare it to my normal Federer set-up (gutM/ALU RoughX). I go
only 3# less on X's when hybriding ALU as X to natural gut. That may explain previous negative feedback from other user. Youtek
Prestige Pro 57/54.
From: Tom, Casselberry, FL, USA, 12/10
Comments: One of the best I have ever used. Beats the best Luxilons hands down. Plenty of power, spin and
control. Should be a reference by which we judge all the other strings. My new Babolat aero GT also loves it as he takes credits for
being the super stick that suddenly turns me into a much better player.
Boy, this string is durable. While most strings would last me only 3 days, this one gives me 3 weeks. 4.5/5.0 lefty player
From: Alli, NY, USA, 10/10
Comments: Outstanding product, the control is far better than any poly in the market, this is a true tournament
product, no surprises just victories.
From: Alex, Santa Monica, CA, USA, 09/10
Comments: I have been using this string as a full setup and it played very well in all areas, but the durability
became an issue as significant notching would occur after a week or two and the strings lasted about 2 weeks on average.
Recently switched to hybriding it with Gosen OG Micro 16 on the crosses. This reduced the spin a bit but gave the string bed a
softer feel and increased durability. Overall a great string whether used as a full setup or for hybriding.
From: Peter, USA. 4/10
Comments: Switched to a poly to lessen the potential of breaking strings. Overall, good
power, above average control, and very good topspin. Tension held up great. No movement of the strings at all. However, this
poly does not give me the feel that I like when hitting, especially when hitting slices or drop shots. It just feels -- bland. I also
find it to be a bit stiff for my taste. I will switch to co-poly on the mains and synthetic gut on the crosses to see if that type of a
set up would work out better for me. FYI I strung this at 52lbs on a Volkl
From: D., Temecula, CA United States. 4/10
Comments: Absolutely excellent string! I am using it hybrid, SIGNUM on MAINS and NG on CROSSES (62/60 Prince
OSG). It works perfect and gives a great pleasure for topspin. Excellent control, power and arm friendly; I will definitely stick with
it; this one is one of the best strings that I ever used.
From: Old man 4.0, Canada. 4/10
Comments: One of the best if not the best string I've ever played with. My Babolat Aeropro drive cortex fell in love
with it at the first hit. In the past, I've used Gamma, Luxilon, Babolat, Wilson nxt, Tecnifibre nrg2 etc. This string is way better.
Plenty of power, great control and good spin. Nothing bad to say.
From: Al, Brooklyn, NY, USA, 02/10
Comments: Lots of spin as the edges bites hard. Hits it with topspin and the results will be plenty of kicks. With
pocketing effect gives excellent feel for a poly, which makes it comfortable to use and have no elbow problems. Power will really
depend on your tension and your style of play so I will not go into it. For me, the feel is good for a poly, but not the best around
as my drop shots are better with other strings. And the edges do smooth out on the sweetspot. One of the better poly for me to
play with and probably one of the top few spin string around. Try it.
From: Bryan, Victoria, Australia, 02/10
Comments: Great string! When the stringer told me about this string, I had no idea what kind this was.
Nevertheless, I tried it and it was amazing. Great soft feeling and lots of spins.
After two months of playing with this string, it broke, so I don't think this was a durable string. However, it was really a nice soft
string. Everyone should try this at least once.
From: Ted, Japan 01/10
Comments: Tried this in a hybrid setup: Nat gut mains (55lbs) Tornado crosses (38lbs). Felt
incredibly stiff when I was stringing it hence the low tension. For such a low tension I get
incredible amount of shock. Not at all friendly on my arm. Not much bite or control (maybe
to be expected at such low tension). Luxilon strings (Timo, Ace, Supsersense) to me play
and feel much better. Lasted me all of 2 weeks as it sawed through the nat gut.
Not getting this again.
From: String breaker, UK 12/09
Comments: The best string that I've tried. It gave me extra power, control and spin...but most of all it feels nice
when hitting my shots.
From: Bruno, Tawau, Sabah, East Malaysia 11/09
Comments: I first tried the Tornado in a full bed @ 52 which is where I had been stringing Lux BB original for quite
a while. It felt amazing the first couple of times out, really good spin, definitely a softer feel and noticeably more power. But then
after about a week the tension had dropped and settled to a point where I had NO control. I had an extra set of Tornado and Lux
BB Ace 18g so I tried a hybrid with the Lux in mains @ 52 and Tornado in crosses @ 55. This has turned out to be a great setup.
After a couple of weeks I can feel that the tension has settled, but the combo retains the softness and pop of the Tornado but the
control of the Lux.
From: K, NC, USA, 11/09
Comments: I had used Big Banger Alu power just recently on my Head Radical Microgel and switched to tornado on
the mains 54 and 52 Prince recoil on the crosses. What a difference, didn't take much to break in and I had noticed more bite on
the ball. Strings felt great on my arm and had incredible control. Worth a try, if you hit with spin and like to swing away on your
From: Pedro, Clifton, NJ, USA, 11/09
Comments: I've tried many strings, but this one is one of the best I've ever played with!! Easy on the arm, excellent
power and spin potential and a really cool black color!! I usually play with Alu spin but I' m definitely switching to the Tornado!!
Good job Signum pro guys!!
From: Bill, Athens, Greece. 11/09
Comments: I've played with the Tornado (17) strung at 52 lbs on a Kblade Team. I was really impressed! Very easy
on the arm (more so than the Alu strings), amazing control (can actually place it anywhere I wanted), awesome topspin and good
power. Will absolutely order more.
From: Paul, Montreal, Quebec, Canada 11/09
Comments: Just got this and strung it on a Wilson Pro Staff 95,tension is around 60lbs, I must say this is a great
soft poly, when you are hitting the ball, it feels nice and crisp, spin wise it's very decent, surprisingly this string added at least
another 5-10 MPH on my serve, my opponents were commenting the ball had more zip on it, heheheh, volleys were also nice and
crisp, I cannot comment on tension lost as I have only played with this string for 2 hours, will report back after a feel days,
comparing this string with Tecnifibre's Blackcode, I suspect that this is just a tad softer, I have BC on a k6.1 tour.
From: Christopher, Tawau, Sabah, East Malaysia, 11/09
Comments: Compared to Poly Plasma, Tornado is softer with a bit more power. This co-poly is easy on the arm,
with a nice feel. It holds well the tension - but not as good as Poly Plasma. It helps a lot to put spin on the ball, but after around
10 hours of play, I have noticed that the heptagonal shape of the crosses disappeared in the sweet spot area.
From: Robert, France 11/09
Comments: Give yourself plenty of time to string this stuff, its coil memory is terrible. But wow is it worth it; great
feel, easy on the arm, plenty of power, spin and control. My new "string of choice". Strung my Volkl Power Bridge8 at 53lbs,
From: John, Gisborne, New Zealand, 10/09
Comments: Definitely the best poly I've ever hit with next to Big Banger Alu Power, but much
more arm friendly. It is just amazing how much spin this thing can hit. I am using Dunlop 4D
300 tour which has a 18x20 string pattern, with synthetic gut or a regular poly I struggle to
get spin, but with this the ball just kicks after the bounce, even with my one handed
backhand! But the most noticeable aspect of this string is not its spin or control, but it's
insane power, my forehand really got beefed up after switching to this string because it's just
such a soft poly with incredible control and power, I can hit much harder with my forehand
now. And its stealth black look goes perfect with the black/red color of my Dunlop 4D 300
tour. Love this string to death, bought a reel already!
From: Anakin, San Francisco, CA 10/09