Cobra King F9 Speedback Iron
Technical editor Joel Tadman puts the new F9 Speedback Iron through its paces.
The King F9 is more user-friendly from a wider area, which mid-to-high handicappers will appreciate. Average golfers seeking a fast, stable and forgiving iron will be pleased with the performance of the King F9 Speedback.
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Forgiveness has been combined with high speed. One Length option and Cobra Connect shot-tracking system adds significant value.
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Gains over the King F8 were fairly marginal.
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Cobra King F9 Speedback Iron Review - Technical editor Joel Tadman puts the new King F9 Speedback iron through its paces.
Cobra King F9 Speedback Iron Review
This game-improver iron is aimed at mid-to high-handicappers seeking more distance, as well as forgiveness on off-centre strikes.
Key technology
The Speedback shaping has allowed more mass to be added low and wide on the heel and toe. When combined with up to 33g of tungsten in the 4-to 7-irons, the MOI has increased by up to ten per cent, creating more stability for improvements in ball speed, distance, forgiveness and accuracy on longer approaches.
Lie angles have been modified in the One Length irons, while wider soles in the 4- to 6-irons aid a higher launch. Also, the use of three different KBS shaft weights through the set helps create more consistent performance. Cobra Connect, powered by Arccos, comprises electronically enabled grips that give users the ability to track their performance via a smartphone app.
GM Review
The King F9 is noticeably squarer from the rear and has a wider sole over the King F8, although a similar amount comes into contact with the ground.
In the mid and long irons, the back of the sole is visible at address, which may deter some. There’s also a lighter finish compared to King F8 and marginally less offset.
The new King F9 gave us, on average, 1mph more ball speed with the same club speed, leading to 2-3 yard-longer carries than the King F8 on a very similar trajectory. Launch went up and spin came down slightly, changes in performance we liked to see for a distance iron.
The fact the King F9 Speedback represents only a marginal improvement over the King F8 is a testament to how good that iron is. That said, the gains in forgiveness were more apparent, specifically the ball speed and accuracy preservation on strikes away from the sweetspot.
These irons feel explosive and look very inviting to hit behind the ball. The improved One Length set configuration will appeal to those looking for better consistency, while the Cobra Connect shot-tracking system adds significant value.
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Joel has worked in the golf industry for over 14 years covering both instruction and more recently equipment. He now oversees all equipment and video content at Golf Monthly, managing a team of talented and passionate writers and presenters in delivering the most thorough and accurate reviews, buying advice, comparisons and deals to help the reader or viewer find exactly what they are looking for.
One of his career highlights came when covering the 2012 Masters he got to play the sacred Augusta National course on the Monday after the tournament concluded, shooting a respectable 86 with just one par and four birdies. To date, his best ever round of golf is a 5-under 67 back in 2011. He currently plays his golf at Burghley Park Golf Club in Stamford, Lincs, with a handicap index of 2.8.
Joel's current What's In The Bag?
Driver: Titleist TSR3, 9°, Fujikura Ventus Black 6 S shaft.
Fairway wood: Titleist TSR3, 15°
Hybrid: Titleist TSi2, 18°
Irons: Titleist T150, 4-PW
Wedges: Titleist Vokey SM10, 50°, 54° and 58°
Putter: LAB Golf DF3
Ball: 2023 Titleist Pro V1x
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