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  3. 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.

AtomStack A24 Pro
AtomStack · 2023A24 Pro
7.7Score
2 advantages≈ US$460
vs
Sculpfun SF-A9 20W
Sculpfun · 2023SF-A9 20W
8.4Score
7 advantages≈ US$500
Higher score
8.1Power & cutting8.1
5.7Work area7.7
7.7Safety7.1
3.1Features & ease of use7.4

Why is A24 Pro better than SF-A9 20W?

  1. Enclosed (fully covered)Yes · SF-A9 20W: No
  2. Laser output power24 W vs 20 W+20%

Why is SF-A9 20W better than A24 Pro?

  1. Work area (surface)1,008 cm² vs 1,600 cm²+59%
  2. Air assistNo · A24 Pro: Yes
  3. Max cutting depth – wood / plywood (one pass)17 mm vs 20 mm+18%
  4. Weight16 kg vs 6.2 kg2.6×
  5. Flame / fire detectionNo · A24 Pro: Yes
  6. Work area depth (Y)280 mm vs 400 mm+43%
  7. Work area width (X)360 mm vs 400 mm+11%
Specifications

Side by side

AtomStack A24 ProAtomStack A24 Pro≈ US$4607.7
Sculpfun SF-A9 20WSculpfun SF-A9 20W≈ US$5008.4
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Wavelength—450 nm
Laser power
Laser output power24 W20 W
Work area
Work area360 × 280 mm400 × 400 mm
Work area width (X)360 mm400 mm
Work area depth (Y)280 mm400 mm
Work area (surface)1,008 cm²1,600 cm²
Conveyor / roll feeder supportYes—
Speed & cutting
Max engraving / travel speed—600 mm/s
Max cutting depth – wood / plywood (one pass)17 mm20 mm
Max cutting depth – acrylic15 mm—
Precision
Laser spot size—0.1 mm
Linear rails—Yes
Safety
Enclosed (fully covered)YesNo
Laser safety classClass 1 (eye-safe, enclosed)—
Flame / fire detectionNoYes
Emergency stop button—Yes
Tilt / movement sensorYesYes
Features
Air assistNoYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYesYes
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
Weight16 kg6.2 kg
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