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- Alpha MK2 20W vs Alpha MK2 Extended 20W
Algolaser Alpha MK2 20W vs Algolaser Alpha MK2 Extended 20W
What Alpha MK2 20W does better (2) and where Alpha MK2 Extended 20W wins (0) — every spec side by side.
vs
7.7Power & cutting7.7
6.9Speed5.3
2.8Precision2.3
8.2Work area8.2
4.9Safety6.0
8.7Features & ease of use8.2
Dimensions
Size comparison
Alpha MK2 20WAlpha MK2 Extended 20W
| Alpha MK2 20W | Alpha MK2 Extended 20W | Difference | |
|---|---|---|---|
| Height | 240 mm | 240 mm | = |
| Width | 650 mm | 650 mm | = |
| Depth | 730 mm | 730 mm | = |
| Weight | 6.5 kg | 6.5 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Alpha MK2 20W better than Alpha MK2 Extended 20W?
- Max engraving / travel speed500 mm/s vs 333 mm/s+50%
- Laser spot size0.16 mm vs 0.175 mm+9%
Why is Alpha MK2 Extended 20W better than Alpha MK2 20W?
Alpha MK2 Extended 20W has no measurable advantages in this pair.
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 | 450 nm |
| Laser power | ||
| Laser output power | 20 W | 20 W |
| Work area | ||
| Work area | 400 × 410 mm | 400 × 410 mm |
| Work area width (X) | 400 mm | 400 mm |
| Work area depth (Y) | 410 mm | 410 mm |
| Work area (surface) | 1,640 cm² | 1,640 cm² |
| Work-area extension kit | Yes | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 500 mm/s | 333 mm/s |
| Precision | ||
| Laser spot size | 0.16 mm | 0.175 mm |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | No |
| Emergency stop button | — | Yes |
| Built-in fume filter / purifier | Yes | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | Yes | Yes |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Offline engraving (no computer) | — | Yes |
| Connectivity & software | ||
| Compatible software | LightBurn, LaserGRBL | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | 650 mm | 650 mm |
| Depth | 730 mm | 730 mm |
| Height | 240 mm | 240 mm |
| Weight | 6.5 kg | 6.5 kg |
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