Butterfly Korbel vs Donic Waldner Black Devil Carbon Balsa: Which Should You Buy?

UltraSpin comparison · 2026-06-11 · blade

Butterfly KorbelDonic Waldner Black Devil Carbon Balsa
Our rating8.6/107.8/10
feelmedium, soft and flexible all-wood with long dwellstiff, minimal dwell
handleFL/STAnatomic / Flared / Straight
plies5W (all wood) — limba-limba-ayous-limba-limba7-ply: Koto outer + carbon + balsa core
speedOFF-OFF+
thickness_mm6approx 6.0mm
weight_g88around 84g

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The Butterfly Korbel (8.6 rating) is a soft, flexible all-wood blade for control-first players and learners. Its long dwell time and versatile pairing make it ideal for developing looping and short-game fundamentals before committing to composite materials.

The Donic Waldner Black Devil Carbon Balsa (7.8 rating) is an aggressive OFF-plus blade for advanced attackers with flat-hit and smash-dominant styles. At around 84 grams, it is ultra-lightweight, but the near-zero dwell time, small head, and fragile veneers make it unforgiving and demanding. It requires soft to medium-soft rubbers to balance its stiffness.

These blades serve opposite purposes. The Korbel builds technique and versatility. The Waldner demands advanced skill and rewards aggressive, decisive striking. Beginners and intermediate players should avoid the Waldner; advanced attackers who dislike dwell time will prefer it over softer alternatives.

FAQ

Which blade is suitable for beginners?

Only the Korbel. The Waldner is too demanding and stiff for developing players and requires expert technique to use effectively.

What is the advantage of the Waldner’s balsa core?

The balsa core reduces weight to around 84 grams while maintaining a larger sweet spot than earlier Donic composites, making it one of the lightest carbon blades available.

Why does the Waldner have near-zero dwell?

The stiff carbon-balsa construction prioritizes speed and direct ball response over dwell time, making heavy topspin loops very difficult.

Which blade requires edge tape?

The Waldner’s fragile koto and balsa veneers chip easily without edge tape, while the Korbel is more durable and forgiving.