Luxilon Alu Power: The Benchmark Poly and Every Variant Explained

If you have ever asked a stringer what the benchmark polyester string is, there is an overwhelming chance they said Luxilon Alu Power. Not because it is the most spin-friendly string available, or the softest, or the longest-lasting — it is not any of those things. It is the benchmark because it does everything at a high level and nothing poorly enough to rule it out, and it has done so consistently for over two decades. Every other poly on the market gets measured against it at some point, which is about as good a definition of a benchmark as exists in this sport.

Luxilon now make seven distinct Alu Power variants. Understanding what each one changes — and what stays the same — is the whole point of this piece.

What Makes Luxilon Alu Power Different From Standard Polys

The core Alu Power construction is a round co-polymer monofilament infused with aluminium additives. That aluminium infusion is what gives Alu Power its signature character: a slightly dense, pocketing feel at contact that most round polys cannot replicate, a muted response that absorbs pace and returns it as control rather than power, and a level of ball feel that is genuinely distinctive. It is not a lively string. It does not add energy. What it does is communicate — every shot tells you exactly where in the stringbed you hit and exactly what the ball did.

Spin comes through snapback rather than edge bite. The round profile slides across the crosses and returns quickly, generating topspin consistently without the aggressive launch angle that shaped polys can produce. It is controlled, penetrating spin — balls that sit low and move fast rather than balls that kick high. For players who take the ball on the rise, hit through the court, and want a predictable trajectory, that spin character is exactly right.

The honest limitation: Alu Power loses tension faster than its reputation might suggest. Performance is excellent in the first 8–10 hours. After that, the string goes noticeably dead — still physically intact but the feel and control shift. Players who notice this tend to restring around the 10-hour mark and get consistently exceptional performance each time. Players who string every few months and expect continuity will be disappointed past the halfway point of that cycle.

The Luxilon Alu Power Range — Every Variant Explained

Alu Power (Original)

The reference point. Round, 1.25mm, silver. This is the string that pros have used for decades and the one everything else in the range is measured against. Firm, pocketing, muted — outstanding control, modest spin versus shaped alternatives, excellent feel through contact. If you have never tried Alu Power and want to understand what the benchmark feels like, start here.

Alu Power Rough

The same aluminium co-poly compound with a textured surface applied to the outside. That texture does two things: it adds string-to-ball friction for more spin access, and it introduces a small amount of string flex that softens the feel slightly compared to the original. Players who love Alu Power's control character but want more spin from a round string without switching to a shaped poly should try Rough before anything else. It is the most popular Alu Power variant for a reason.

Alu Power Soft

Approximately 10% softer than the original through a reformulated compound. The feel is warmer and more comfortable, the arm load is noticeably reduced, and it is the right pick for players who find the original Alu Power slightly too firm or have arm sensitivity. Spin and control are very close to the original. Tension maintenance is similar. If your only complaint about Alu Power is how it feels under the arm over a long session, Soft solves that cleanly.

Alu Power Spin

The one Alu Power variant with a shaped profile — pentagonal (five-sided), 1.27mm. This is Luxilon's answer to players who want Alu Power's control and feel alongside the edge-bite spin of a shaped string. The pentagonal edges dig into the ball for genuine bite, and the slightly thicker gauge adds durability. It is the firmest, most demanding Alu Power — closer in character to a shaped co-poly like Tour Bite than to the round Alu Power family. If you are a shaped-string player curious about Luxilon, this is your entry point into the range.

Alu Power Vibe

Luxilon's most unusual entry — the same Alu Power base compound with a silicone dampening agent incorporated into the string. The ground-in silicone mutes vibration and produces a noticeably more dampened, comfortable feel than the original. It is the softest-feeling Alu Power at contact. Players who love the control and feel but want the most comfortable ride the range offers should consider Vibe. Also worth noting: it is available in a reel, which makes it the most cost-effective option for players who commit to Alu Power and restring frequently.

Alu Power Black and Ocean Blue

Cosmetic variants of the original Alu Power formula — same compound, same performance, different colour. Black and Ocean Blue play identically to the standard silver. If you have a preference for how your strings look in the frame, these exist. Performance-wise, pick whichever colour you prefer.

Luxilon Alu Power vs Toroline A5 — The Modern Comparison

The comparison that comes up most often right now is Alu Power versus the Toroline A5. Both are round polys, both generate spin through snapback, and both suit players who want a controlled, penetrating ball rather than loopy topspin. The differences are real though. A5 has more snapback and more spin potential — Racketpedia rated it 100/100 for spin, and the string feels livelier and more reactive at contact. Alu Power has the deeper pocketing, the more muted response, and the more authoritative feel that players who grew up on it tend to prefer.

Tension maintenance is where A5 pulls ahead — it holds its character more consistently across a full playability window, where Alu Power goes noticeably dead in the back half of its cycle. For players who string religiously at the 8–10 hour mark, that difference matters less. For players stringing every three weeks, A5 offers more consistent performance across the full stretch.

Neither is better in an absolute sense. Alu Power is the more familiar, more established reference point — if you have hit with it and love it, there is no reason to chase alternatives. A5 is the right move if you have found Alu Power slightly lifeless or want more spin from a round string without going to edges.

Tension Guide — Getting the Most From Alu Power

Luxilon's own guidance is to string 10% lower than your standard synthetic tension. In practical terms: if you normally string at 55 lbs on a synthetic multi, start Alu Power at 49–50 lbs. Most club players get the best results in the 48–54 lbs range. The original Alu Power rewards lower tensions — the pocketing improves, the feel warms up, and the control actually gets better as the string has room to work. Stringing too tight takes away the very thing that makes Alu Power different. The Rough, Soft, and Vibe variants can sit at the same range; Spin, being thicker and stiffer, can handle the higher end of your normal range.

Frequently Asked Questions — Luxilon Alu Power

Why do so many pro players use Luxilon Alu Power?

Because it gives elite-level ball strikers exactly what they need: precise control, penetrating spin, and a consistent feel that does not overly influence the shot. Pros who generate their own pace do not want a string that adds power — they want one that organises what they produce. Alu Power does that better than almost anything else at its price point, and it has done so long enough that switching away from it is a psychological challenge as much as a practical one.

What tension should I string Luxilon Alu Power at?

Luxilon recommend going 10% lower than your normal synthetic string tension — roughly 3–6 lbs lower in most cases. Most players find the sweet spot between 48–54 lbs. Lower tensions improve pocketing and feel; higher tensions increase control but reduce the benefit of the aluminium compound doing its thing. Start low and adjust up from there.

How long does Luxilon Alu Power last before going dead?

8–10 hours of consistent hitting is the typical peak window. After that, the string does not break — it just loses the feel and control character that makes it special. Players who treat it as a match string and restring at the 10-hour mark get consistently excellent performance. Players who string every few months will notice a significant drop in quality past the midpoint of that cycle.

What is the difference between Alu Power and Alu Power Rough?

Same aluminium co-poly compound, textured surface on the Rough. The texture adds string-to-ball friction for more spin access and introduces a small amount of string flex that softens the feel slightly. Rough is the pick for players who want more spin without switching to a shaped poly. For pure control and the authentic Alu Power feel, the original is the reference.

Is Luxilon Alu Power arm-friendly?

Not particularly — it is a firm co-poly and will put load on the arm over long sessions. Alu Power Soft and Alu Power Vibe are the more comfortable options within the range. Players with existing arm issues should consider a natural gut or multifilament hybrid rather than any full poly bed.

Which Alu Power variant should I start with?

If you have never tried the range, start with the original Alu Power — it is the reference point and you will understand exactly what the family does. If you want more spin, go Rough next. If you want more comfort, try Soft or Vibe. Only move to Spin if you are already comfortable on shaped polys and want Alu Power's feel combined with edge-bite.

The full Alu Power range is available now at The Tennis Store with shipping across Australia — Original, Rough, Soft, Spin, and Vibe. If you are committed to the range and restring frequently, the Alu Power reel is the most cost-effective way to go.