The Kirschbaum Pro Line X 17 tennis string delivers a compelling blend of performance and feel, exceeding expectations in several key areas. This in-depth review examines its strengths and weaknesses based on extensive testing by players of varying skill levels and playing styles. We delve into its spin potential, comfort, power, and overall control, providing a comprehensive assessment of its suitability for the modern tennis game. Our analysis reveals a string that defies common poly-string stereotypes, offering a surprisingly comfortable experience alongside impressive power and spin generation.This review explores the Kirschbaum Pro Line X 17's unique attributes, including its pre-stretching process which significantly impacts both comfort and playability. We investigate its performance across different shot types, from powerful groundstrokes to delicate volleys, analyzing its contribution to accuracy and control. Ultimately, we aim to determine whether the Pro Line X 17 lives up to the hype and whether it represents a worthwhile investment for players looking for a high-performance string with enhanced comfort.
Pros And Cons
- Firm and durable
- Good control
- Provides spin and power
- Good tension maintenance
- Comfortable (for a poly)
- Pre-stretched for lasting playability
- Good for baseline hitting
- Good for serves and net play
- Not as cohesive for hitting higher, slower balls
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Baseline Performance: Spin and Control
The Kirschbaum Pro Line X 17 consistently impressed with its ability to generate substantial spin. Players found it easy to control ball placement, even on flat shots. This characteristic made it particularly enjoyable for baseline play, enhancing both power and accuracy. The heavy ball kick after the bounce was also frequently noted, adding an advantage in rallies.

This exceptional spin performance wasn't limited to specific shot types; players reported significant benefits across their game, from their forehands to even less-aggressive shots. This string provided a great deal of control, allowing for consistency and precise shot placement. This versatility makes it suitable for players of diverse skill levels.

Comfort and Durability: A Balanced Approach
While a poly string, the Kirschbaum Pro Line X 17 surprised many with its comfort level. The pre-stretching is a notable feature that contributed to its playability and reduced harshness, especially when compared to other poly strings. Durability proved to be satisfactory across multiple test sessions.

The pre-stretching minimizes the initial stiffness often associated with poly strings, leading to a more comfortable and consistent playing experience. Testers reported no significant durability issues throughout testing, indicating long-term playability for the average user.

Power and Playability: Suitable for Diverse Styles
The Kirschbaum Pro Line X 17 offered a good balance between power and control. Though not overly powerful, it provided sufficient pop for aggressive players, allowing them to hit with authority while still maintaining accuracy. The control aspect was especially appreciated on serves and volleys.

Surprisingly, even players who usually generate their own power found this string provided noticeable extra power. This makes it adaptable to a wide range of playing styles, from aggressive baseliners to those who prioritize control and consistency. The string's versatility was highlighted by multiple test subjects.

Overall Assessment and Recommendation
The Kirschbaum Pro Line X 17 consistently impressed testers across various playing styles and skill levels. Its balanced blend of spin, control, and comfort, coupled with good durability, makes it a strong contender in the poly string market. The pre-stretching is a significant advantage, enhancing both comfort and playability.
While some testers noted a slight lack of cohesiveness with higher, slower balls, this was largely overshadowed by the string's overall performance. Overall, this is a highly versatile string that is recommended for a wide range of players seeking a solid combination of power, spin, and control.