Head to head
Alpha Gut 2000 16 vs Tecnifibre NRG2 16
They split the measurements 3–3. The widest gap is energy return, where Gut 2000 16 is 6 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.
Measured, side by side
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.
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Gut 2000 16547th
NRG2 16536th
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Gut 2000 16133rd
NRG2 16140th
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Gut 2000 16680th
NRG2 16665th
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Gut 2000 1690th
NRG2 16123rd
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Gut 2000 1651st
NRG2 1693rd
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Gut 2000 16595th
NRG2 16617th
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Gut 2000 1683rd
NRG2 16109th
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 Gut 2000 16 at 52 lb
String NRG2 16 at 52.0 lb 23.6 kg
Coming from NRG2 16 at 52 lb
String Gut 2000 16 at 52.0 lb 23.6 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.
Gut 2000 16 mains / NRG2 16 crosses
NRG2 16 mains / Gut 2000 16 crosses
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.
Gut 2000 16
~38 hours of play
NRG2 16
~36 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Alpha Gut 2000 16 Nylon | 16 | $8.49 | 159 | 17 | 94 | 3.1 | 0.506 | 0.161 |
| Tecnifibre NRG2 16 Nylon | 16 | $14.96 | 158 | 18 | 93 | 3.2 | 0.503 | 0.155 |