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The Wilson Pro Staff Original, first introduced in 1983 is most known for being the model of racket used by Pete Sampras. ==History== Originally manufactured in Chicago, Illinois and Saint Vincent and the Grenadines, the Pro Staff line was Wilson's answer to the Prince Graphite, Yonex Rex series, and the Dunlop Max 200G. The original graphite Pro Staff was 110 square inches; the 85, 95, and 125 sizes were developed from it. Pete Sampras, who used the racquet for his entire professional career, established the reputation of the Pro Staff 85 (graphite/Kevlar) as a legendary racquet more than any other player. Other first-rate players who have used the Pro Staff 85 Kevlar during their professional careers include Jimmy Connors, Jim Courier, Stefan Edberg, Chris Evert, Steffi Graf, Roger Federer, and Mary Pierce. The first Pro Staff was the high-end Jack Kramer standard wooden model. It was stiffer than the extremely popular Jack Kramer Autograph model and favored by professional players for that reason. This racquet established the "Pro Staff" branding as being Wilson's finest product. However, as Wilson transitioned away from wood, steel, and aluminum, the company's first graphite models were not given this name. Instead, early Wilson models were the 1980 Ultra, the 1981 Javelin, the 1982 Sting, and the graphite/boron Ultra II. As with the earlier Sting and Ultra II, the first graphite/Kevlar Pro Staff model was a "large head" 110 square-inch oversize. The Pro Staff design combined the braided construction of the earlier Ultra line with the most of the shape of the Sting (that was produced without a throat bar). The Pro Staff models also were of medium stiffness, again reflecting a design philosophy that blended the Ultra II, which was very stiff, and the Sting, which was flexible. Contrary to popular belief, the stiffer and heavier Ultra II, not a member of the Pro Staff line, was Wilson's most expensive racquet until the 1987 Profile debuted. Wilson produced many lesser-known models with the Pro Staff mold, including the Jack Kramer Pro Staff 85 (80% graphite and 20% fiberglass), the Matrix, the Graphite Cruncher, the Graphite Aggressor, the Ceramic, and several others. These variants were less stiff than the well-known graphite/Kevlar model. Chris Evert used the Jack Kramer model to reach the final of the 1984 French Open where she was defeated in straight sets by Martina Navratilova, who was using the Yonex R-27, a graphite/boron design similar to the Ultra II. She defeated Navratilova in 1985 with the graphite/Kevlar Pro Staff 85. Navratilova, meanwhile, had switched back to the less stiff R-22, a graphite/fiberglass model. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Wilson ProStaff Original 6.0」の詳細全文を読む スポンサード リンク
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