TTDNA renders its own neutral topsheet visualisation for this brand, generated from verified construction data.
Nittaku · Hammond · Inverted
HAMMOND PRO ALPHA
ハモンドプロα
Specifications
- Category
- Inverted
- Ball type
- Standard ball
- Regional scope
- Global range
- Playing strategy
- OFF-
- Sponge hardness
- 45°
- Hardness standard
- Nittaku (Japanese standard)
- Thickness options
- 1.8 mm · 2.0 mm · MAX
- Sponge
- Sponge + topsheet
- Colours
- red · black
- Technologies
- Classic high-tension sponge · Fine-grain topsheet · Medium arc
- Country of manufacture
- Japan
- List price
- €29.50
- Lifecycle status
- Active
- Source confidence
- medium
- Last checked
- 31 July 2026
List prices are Nittaku's published Japanese list prices (single sheet), converted to EUR at a fixed reference rate of ¥165 = €1 so the whole catalogue is comparable in one currency. They are indicative, not a regional MSRP.
TTDNA ratings
Physical characteristics
Playing characteristics
Variants and configurations
6 variantsColour, thickness and configuration are variants of one model — never separate products. Colour never changes a rating, MAX and OX stay qualitative labels, and OX carries no sponge hardness.
red · 1.8 mm
standard · Sponged · 45°
Speed 72 · Spin 76 · Control 83
red · 2.0 mm
standard · Sponged · 45°
Speed 81 · Spin 76 · Control 75
red · MAX
standard · Sponged · 45°
Speed 78 · Spin 76 · Control 78
black · 1.8 mm
standard · Sponged · 45°
Speed 72 · Spin 76 · Control 83
black · 2.0 mm
standard · Sponged · 45°
Speed 81 · Spin 76 · Control 75
black · MAX
standard · Sponged · 45°
Speed 78 · Spin 76 · Control 78
Known users
No public report for this exact sheet. Shown: contracted Nittaku athletes — model use not confirmed.