Head to head

Tecnifibre Duramix HD 17 vs Tecnifibre Pro Mix 17

Pro Mix 17 leads on 3 of 6 measurements. The widest gap is ball bite, where Pro Mix 17 is 24 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Tecnifibre

Duramix HD 17

Nylon/Polyester · 17 ga

Tecnifibre

Pro Mix 17

Nylon/Polyester · 17 ga

Stiffness lower = softer, kinder on the arm
17038th pct
17038th pct
Tension loss lower = stays where you strung it
3252nd pct
3457th pct
Energy return higher = livelier, more free power
8957th pct
8957th pct
Spin potential higher = more spin off the string bed
1.71st pct
3.723rd pct
Ball bite higher = grabs the ball harder
0.39118th pct
0.42742nd pct
String friction lower = strings slide and snap back
0.23199th pct
0.11479th 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 Duramix HD 17 at 52 lb

String Pro Mix 17 at 53.4 lb 24.2 kg

Coming from Pro Mix 17 at 52 lb

String Duramix HD 17 at 50.4 lb 22.9 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.

Duramix HD 17 mains / Pro Mix 17 crosses

Stiffness38th pct · 1 measured
Tension loss53rd pct · 1 measured
Energy return57th pct · 1 measured
Spin potential2nd pct · 1 measured
Ball bite21st pct · 1 measured
String friction98th pct · 1 measured

Pro Mix 17 mains / Duramix HD 17 crosses

Stiffness38th pct · 1 measured
Tension loss55th pct · 1 measured
Energy return57th pct · 1 measured
Spin potential15th pct · 1 measured
Ball bite38th pct · 1 measured
String friction92nd 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.

Duramix HD 17

~24 hours of play

Pro Mix 17

~23 hours of play

Both strings in full

Every published measurement
StringGaugePriceStiff lb/inLoss %Power %SpinBite COFFriction COF
Tecnifibre Duramix HD 17 Nylon/Polyester17find17032891.70.3910.231
Tecnifibre Pro Mix 17 Nylon/Polyester17find17034893.70.4270.114

Add a third string Duramix HD 17 in full Pro Mix 17 in full