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Head to head

Tourna Quasi-Gut Armor 16 vs Wilson Synthetic Gut Control 17 (1.25)

Quasi-Gut Armor 16 leads on 5 of 6 measurements. The widest gap is ball bite, where Quasi-Gut Armor 16 is 51 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Tourna

Quasi-Gut Armor 16

Nylon/Polyester · 16 ga

Wilson

Synthetic Gut Control 17 (1.25)

Nylon · 17 ga

Stiffness lower = softer, kinder on the arm
15316th pct
15823rd pct
Tension loss lower = stays where you strung it
132nd pct
178th pct
Energy return higher = livelier, more free power
9388th pct
9384th pct
Spin potential higher = more spin off the string bed
4.954th pct
4.851st pct
Ball bite higher = grabs the ball harder
0.52686th pct
0.41735th pct
String friction lower = strings slide and snap back
0.10772nd pct
0.08636th 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 Quasi-Gut Armor 16 at 52 lb

String Synthetic Gut Control 17 (1.25) at 50.3 lb 22.8 kg

Coming from Synthetic Gut Control 17 (1.25) at 52 lb

String Quasi-Gut Armor 16 at 53.7 lb 24.4 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.

Quasi-Gut Armor 16 mains / Synthetic Gut Control 17 (1.25) crosses

Stiffness18th pct · 1 measured
Tension loss4th pct · 1 measured
Energy return87th pct · 1 measured
Spin potential53rd pct · 1 measured
Ball bite81st pct · 1 measured
String friction65th pct · 1 measured

Synthetic Gut Control 17 (1.25) mains / Quasi-Gut Armor 16 crosses

Stiffness19th pct · 1 measured
Tension loss7th pct · 1 measured
Energy return85th pct · 1 measured
Spin potential53rd pct · 1 measured
Ball bite47th pct · 1 measured
String friction48th 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.

Quasi-Gut Armor 16

~39 hours of play

Synthetic Gut Control 17 (1.25)

~38 hours of play

Both strings in full

Every published measurement
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
Tourna Quasi-Gut Armor 16 Nylon/Polyester16find15313934.90.5260.107
Wilson Synthetic Gut Control 17 (1.25) Nylon17find15817934.80.4170.086

Add a third string Quasi-Gut Armor 16 in full Synthetic Gut Control 17 (1.25) in full