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Prince

Diablo Prism 17

Polyester Gauge 17 1.34 mm In production

Lab measurements for Prince Diablo Prism 17, ranked against all 789 strings in the database. Every figure below is a testing-machine result at a fixed reference tension, not a playtest opinion.

Measured values

Stiffness

229lb/in

lower = softer, kinder on the arm

Tension loss

36%

lower = stays where you strung it

Energy return

88%

higher = livelier, more free power

Spin potential

—

not measured

Ball bite

—COF

not measured

Snapback

—COF

not measured

How it ranks against all 789 strings

Stiffness 229 lb/in · 93rd pct

Stiffer than 93% of strings tested — punishingly firm — control at the cost of comfort.

Tension loss 36 % · 59th pct

Sheds more tension than 59% of strings tested.

Energy return 88 % · 44th pct

Livelier than 44% of strings tested.

More from Prince

What these numbers mean

Stiffness · lb/in

How much the string bed resists deflection. Higher plays firmer and more controlled; lower plays softer and easier on the arm.

Tension loss · %

Share of the reference tension the string sheds under a fixed test protocol. Lower means the bed stays where you strung it for longer.

Energy return · %

Share of impact energy handed back to the ball. Higher plays livelier and more powerful.

Spin potential

Ball friction divided by string-on-string friction. Higher means better bite with a cleaner snapback, so more spin.

Ball bite · COF

String-on-ball friction. Higher grabs the ball harder through the brush.

Snapback · COF

String-on-string friction. Lower lets the mains slide and snap back into place after impact.

Compare Diablo Prism 17 against 789 strings Find the right string for me