The Ultimate Innovation in Rubber Technology! The Killerspin FORTISSIMO is an extremely innovative rubber made especially for high-level topspin players. The Fortissimo synchronizes modern table tennis technology to make this rubber unlike any other! The rubber consists of a hybrid top-sheet made of an elastic compound, which generates amazing rebound, as well as a soft compound that helps grab the ball and create more spin. Equal components of natural and synthetic rubber give an extra spring effect.
The Fortissimo features the best of 'East meets West', incorporating a made-in-Japan sponge, ideal for powerful top-spin shots, as well as German 'Torqsion Technology', which is stronger than normal tension standards, giving the rubber an added performance edge. All of this technology is protected by Killerspin's plastic bag to maintain the rubber's integrity from production to the court. Made in Germany. ITTF approved.
Used by Killerspin player Biba!
|Available thicknesses||2.0mm, max|
|Weight (cut to racket size)||42-43g|
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Reviews of Killerspin Fortissimo (22)
Spin: average (8.9).
Control: high (9.3).
Tackiness: slightly tacky (2).
Weight: average (45g, 0.22g/cm^2).
Sponge hardness: medium (45/32).
Top sheet hardness: hard (56/44).
Gears: average (5).
Throw: medium high (6.4).
Consistency: always identical (10).
Durability: average durability (5).
Top sheet thickness: average (1.7mm).
Surface thickness: average (0.8mm).
Pip length: medium (0.9mm).
Pip width: average (1.7mm).
Pip spacing: average (0.8mm).
Overall: average (9).
Value: expensive (4).
Type: ESN rubber
Hardness: approx 45 degrees (medium hardness)
Fortissimo is a musical term which means "to play very loud". I have used this rubber before but only for short time and it wasn't new. Got 4 sheets, 2x 2.0mm and 2.1mm rubbers both in red and black sheets. The sheets are very grippy when you rub your fingers against the topsheet. The sponge is a non porous ESN sponge although KS claims this is a Japanese sponge. The quality of this Killerspin rubber is comparable to Euro ESN rubbers.
I glued both red and black Fortissimo rubbers onto an ITC Challenge Force blade which is equivalent to a Butterfly Petr Korbel blade which is an all wood 5 ply off- blade (limba-limba-ayous composition). I used wbg glue for both sheets.
Both the 2.0 and 2.1 max versions are very fast. On drills the 2.0 have enough speed for offense and the max version is as fast as a Rakza 7. Whenever you hit through the sponge, it produces a loud cracking noice hence its name "fortissimo". I could compare its speed to a Tibhar Aurus or an Adidas P7.
The very grippy topsheet gives a vicious spin on loops although you have to dig through the sponge more or hit through it more to fully utilize the spin potential of the Fortissimo. The level of its spin is equivalent more or less to a Rakza 7 but lesser than the Adidas P7. It is spinnier if you compare it to Tibhar's Delta rubbers or Xiom's Vega Europe version. Loops give a medium arc. The thin topsheet with long inverted pips make spinning easy because it lets the ball sink into the topsheet and sponge and grip the ball better.
The rubber is a superb all around attacking rubber for both forehand and backhand. For the forehand, it is a very easy attacking rubber especially when hitting and loop driving. The level of control is high and it is very easy to tame a very fast rubber. The rubber is linear in which what you give on your shots is what you get. For people who smash a lot, they would love this rubber. For backhand, it is a good blocking rubber because it is not sensitive to incoming spin and at the same time it is very easy to handle and control against spinny and fast loops. For all around players I would recommend using this on a 7 ply all wood blade but for offensive and intermediate players maybe it is better to use this on blades such as Timo Boll ALC or an ITC Strike Carbon. It is suited better for medium to medium stiff blades. Overall, a bang for the buck rubber at 44usd each.
Tenergy 05 is a bit spiny but also a bit slower, and comparing those two rubbers, Fortisimo is more delicate with side spins, and generates exactly what you want (requires good technique), while Tenergy 05 is more forgiving, but also fast and spiny.
Fortissimo is very good rubber, that I would recommended to ALL round to Offensive players, without any doubt.
re should be more spin than you'll ever expect being produced by the European topsheet!
Speedier than Bryce speed. a medium to high throw rubber. A bit shiny top surface sort of special additive were use on this rubber. Pair it with Killerspin Diamond CQ blade. At first its a little too bouncy and hard for blocking but once you get used to and right angle of blade, this set up is a beast. Tensor rubber is decently price.
As reviewed by Blade (1800-1900 Usatt; classic offensive style player)
In this review I am comparing Fortissimo to the Joola Express/ Energy and Donic Platin series rubbers. It also shares some similarities with a rubber like Boost TP in that it has a firm feeling and fairly low throw.
Details of Physical characteristics
Sponge - very small pores, like Joola Express (JE) and Donic JO Platin(JOP) series rubbers, almost identical.
Hardness - (Estimate by feeling)in the 42.5 to 45 degree range, related to Joola and Donic hardness scales.
Top sheet - As I mentioned previously, Very High quality, slightly textured , shiny with the pimple form visibly evident (like a tuned rubber, see pics.)
Pimples - Noticeably longer than those of JOP and JE.
Spacing is closer together than JOP and JE. The spaces between the pimples are a little more than half a pimple width. JOP and JE have almost equal pimple and space widths.
Top sheet is thicker than JOP and JE.
I think the top sheet structure of this rubber causes it to feel and play significantly different to most of the3rd and 4th generation tensor rubbers that I have played with. The sponge seems to have a very similar feeling and playing characteristic to Tensor rubbers. Overall I really like the way this rubber feels, it does not have that mushy feel that many tensors do. It still feels very elastic and lively but it feels more rubbery than spongy due to the top sheet thickness and pimple geometry (make sense?)
Counter hitting- Easy to counter hit with it works best with medium to high racket speeds, due to its medium- low throw, if you do not contact the ball solidly it tends to drop the ball in the net. On the receiving end it seems very easy to control your opponent's shots.
Looping - This rubber feels the best when looping at a medium to medium-fast (40- 70%)pace and in this range it feels very stable predictable and delivers crisp loops with a long low trajectory and good spin. However, when you really crank it up (let's say 85% or higher)a couple of strange things happen with the throw angle: With a closed racket forward driving type loop the ball sometimes shoots off the rubber straight out and seems to have little to no spin. With a more upward heavy spinning type stoke the throw of the rubber becomes very high.
So what does this mean? If you are a looper who is used to tensors, this rubber will require adjustments at the lower speeds and at higher speeds. I haven't had a chance to play with it extensively, so I can't say if the nonlinearity of Fortissimo at the low and high ends would continue to be problematic and hard to adjust to. Intuitively, it seems like the rubber is stable enough over all and would play comfortably with some adjustments.
Smashing - Fortissimo is excellent for smashing and has a great crisp feeling when doing so. It does not completely bottom out and again as I mentioned above has that nice firm elastic feeling of the top sheet as opposed to a mushy sponge feeling. It seems easy to place your kill shot where you wish.
Blocking - Since the rubber has a firm feeling and a fairly low throw blocking incoming topsins is easily controllable. One caveat, my hitting partner while I was testing the rubber did not have heavy top spin loops, so I'll have to do some further blocking practice with a heavy topspin looper before I can give a final word on this.
Serving - the amount of spin on serves was a little hard to determine as it compared to other rubbers. My best estimation would be that it serves with as much spin or slightly more than JE or JEGP(Joola Energy Green Power). I have a particular knack for creating very spiny, short services and my touch and stroke on this type of service is geared towards JE and EGP. That being said, I'd say it took a little more effort to keep the Fortissimo serves as low and as short, but again not a big difference.
Forehand or Backhand - For me I liked fortissimo equally well on both sides. Because of its firmness opening up against heavy back spin close to the table or over the table is more difficult than JE or EGP and requires a bat angle and stroke adjustment on both sides.
Final Word: Fortissimo is a very playable modern rubber that has a unique feel as compared to it's Tensor, Boost, Tenergy counter parts. It is a rubber that I might choose to play with for it's over all feeling and crisp mid power looping, easy blocking and effective smashing. However, although it has good spin I am looking for something spinier. In part due to the latest generation of super spiny rubbers like Barracuda, Genius, Hexer and of course Tenergy, Fortissimo seems a bit behind the curve.
If you have more of a hitting game, this rubber is great, just not for variable looping.
I found it helped my game especially in fast looping, my opinion that it is better suited for offensive fast blades.
I feel like playing a Chinese topsheet with some Top class sponge.
A bit too expensive
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