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Head to head

Diadem Solstice Power 17 (1.20) vs Solinco Confidential Soft 16L (1.25)

Solstice Power 17 (1.20) leads on 4 of 6 measurements. The widest gap is snapback, where Solstice Power 17 (1.20) is 17 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Diadem

Solstice Power 17 (1.20)

Polyester · 17 ga

Solinco

Confidential Soft 16L (1.25)

Polyester · 16L ga

Stiffness lower = softer, kinder on the arm
19765th pct
19462nd pct
Tension loss lower = stays where you strung it
2944th pct
2842nd pct
Energy return higher = livelier, more free power
8741st pct
8736th pct
Spin potential higher = more spin off the string bed
8.698th pct
6.586th pct
Ball bite higher = grabs the ball harder
0.62698th pct
0.52585th pct
Snapback lower = strings slide and snap back
0.0739th pct
0.08126th pct

Bars are percentile against all 788 strings, and the marked side is the one that measures better — which is not always the one you want. A firmer bed is worse for your elbow and better for your control, and no measurement knows which of those you came for.

Which one wins, by problem

Each string's standing on the site's rankings, out of every measured string in the database. This is where a comparison stops being arithmetic and starts being a decision.

Swapping between them: what tension?

Bed stiffness is published at one reference tension, so the only honest conversion is to scale it. These are starting points from 52 lb, not prescriptions — the calculator takes your own tension.

Coming from Solstice Power 17 (1.20) at 52 lb

String Confidential Soft 16L (1.25) at 52.6 lb 23.9 kg

Coming from Confidential Soft 16L (1.25) at 52 lb

String Solstice Power 17 (1.20) at 51.4 lb 23.3 kg

Hybrid: what if you used both?

Estimated, not measured. No hybrid combination has been tested as a bed — these figures are the two strings' own lab measurements weighted by how much of the bed each one actually is. Treat them as a guide to which way a pairing moves, never as lab data.

Solstice Power 17 (1.20) mains / Confidential Soft 16L (1.25) crosses

Stiffness64th pct · 1 measured
Tension loss43rd pct · 1 measured
Energy return40th pct · 1 measured
Spin potential97th pct · 1 measured
Ball bite96th pct · 1 measured
Snapback13th pct · 1 measured

Confidential Soft 16L (1.25) mains / Solstice Power 17 (1.20) crosses

Stiffness63rd pct · 1 measured
Tension loss42nd pct · 1 measured
Energy return39th pct · 1 measured
Spin potential90th pct · 1 measured
Ball bite89th pct · 1 measured
Snapback21st pct · 1 measured

Open this in the hybrid builder

Which goes dead first?

Estimated from tension loss, which is the only thing the database measures about ageing. This is when the bed stops playing the way you strung it — not when the string breaks.

Solstice Power 17 (1.20)

~27 hours of play

Confidential Soft 16L (1.25)

~28 hours of play

Both strings in full

Every published measurement
StringGaugeStiff lb/inLoss %Power %SpinBite COFSnap COF
Diadem Solstice Power 17 (1.20) Polyester1719729878.60.6260.073
Solinco Confidential Soft 16L (1.25) Polyester16L19428876.50.5250.081

Add a third string Solstice Power 17 (1.20) in full Confidential Soft 16L (1.25) in full