Head to head

Gosen Polymaster II 16 vs Pacific Poly Power Pro 16L (1.25)

They split the measurements 3–3. The widest gap is ball bite, where Poly Power Pro 16L (1.25) is 53 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Gosen

Polymaster II 16

Polyester · 16 ga

Pacific

Poly Power Pro 16L (1.25)

Polyester · 16L ga

Stiffness lower = softer, kinder on the arm
17240th pct
18046th pct
Tension loss lower = stays where you strung it
5393rd pct
4783rd pct
Energy return higher = livelier, more free power
8516th pct
8414th pct
Spin potential higher = more spin off the string bed
5.159th pct
5.364th pct
Ball bite higher = grabs the ball harder
0.37410th pct
0.46262nd pct
String friction lower = strings slide and snap back
0.07412th pct
0.08842nd pct

Bars are percentile against all 791 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 Polymaster II 16 at 52 lb

String Poly Power Pro 16L (1.25) at 49.7 lb 22.5 kg

Coming from Poly Power Pro 16L (1.25) at 52 lb

String Polymaster II 16 at 54.4 lb 24.7 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.

Polymaster II 16 mains / Poly Power Pro 16L (1.25) crosses

Stiffness43rd pct · 1 measured
Tension loss90th pct · 1 measured
Energy return16th pct · 1 measured
Spin potential61st pct · 1 measured
Ball bite17th pct · 1 measured
String friction18th pct · 1 measured

Poly Power Pro 16L (1.25) mains / Polymaster II 16 crosses

Stiffness44th pct · 1 measured
Tension loss87th pct · 1 measured
Energy return15th pct · 1 measured
Spin potential63rd pct · 1 measured
Ball bite55th pct · 1 measured
String friction33rd 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.

Polymaster II 16

~12 hours of play

Poly Power Pro 16L (1.25)

~15 hours of play

Both strings in full

Every published measurement
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
Gosen Polymaster II 16 Polyester16find17253855.10.3740.074
Pacific Poly Power Pro 16L (1.25) Polyester16Lfind18047845.30.4620.088

Add a third string Polymaster II 16 in full Poly Power Pro 16L (1.25) in full