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Old 08-19-2011, 08:21 PM   #1766
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Join Date: Feb 2009
Location: Ukraine
Posts: 2,516

Originally Posted by suppawat View Post
Hi Max, it's a prototype string, not available in market yet.
That's what I long thought about: combine durability of poly for OUTER coating and elasticity of multi for inner core. I'm glad that end result makes racquets play more like PT57A

And I'm very intrigued by your statement that Dual Core Donnays can be turned into Head Pro Stocks with standard customization and certain string setup.
Breaking the sound barrier with my forehand
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