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- Compare
- A24 Pro vs SF-A9 20W
AtomStack A24 Pro vs Sculpfun SF-A9 20W
What A24 Pro does better (2) and where SF-A9 20W wins (7) — every spec side by side.
Why is A24 Pro better than SF-A9 20W?
- Enclosed (fully covered)Yes · SF-A9 20W: No
- Laser output power24 W vs 20 W+20%
Why is SF-A9 20W better than A24 Pro?
- Work area (surface)1,008 cm² vs 1,600 cm²+59%
- Air assistNo · A24 Pro: Yes
- Max cutting depth – wood / plywood (one pass)17 mm vs 20 mm+18%
- Weight16 kg vs 6.2 kg2.6×
- Flame / fire detectionNo · A24 Pro: Yes
- Work area depth (Y)280 mm vs 400 mm+43%
- Work area width (X)360 mm vs 400 mm+11%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Wavelength | — | 450 nm |
| Laser power | ||
| Laser output power | 24 W | 20 W |
| Work area | ||
| Work area | 360 × 280 mm | 400 × 400 mm |
| Work area width (X) | 360 mm | 400 mm |
| Work area depth (Y) | 280 mm | 400 mm |
| Work area (surface) | 1,008 cm² | 1,600 cm² |
| Conveyor / roll feeder support | Yes | — |
| Speed & cutting | ||
| Max engraving / travel speed | — | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | 17 mm | 20 mm |
| Max cutting depth – acrylic | 15 mm | — |
| Precision | ||
| Laser spot size | — | 0.1 mm |
| Linear rails | — | Yes |
| Safety | ||
| Enclosed (fully covered) | Yes | No |
| Laser safety class | Class 1 (eye-safe, enclosed) | — |
| Flame / fire detection | No | Yes |
| Emergency stop button | — | Yes |
| Tilt / movement sensor | Yes | Yes |
| Features | ||
| Air assist | No | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Connectivity & software | ||
| Connections | — | USB, Wi-Fi, Bluetooth |
| Wi-Fi | — | Yes |
| USB | — | Yes |
| Bluetooth | — | Yes |
| Compatible software | — | LightBurn, LaserGRBL |
| LightBurn compatible | — | Yes |
| Size & power | ||
| Width | — | 606 mm |
| Depth | — | 665 mm |
| Height | — | 110 mm |
| Weight | 16 kg | 6.2 kg |









