he Kobra S1 Combo is an enclosed CoreXY printer bundled with ACE Pro, Anycubic's 4-colour filament management and drying system.
Printer
Build volume: 250 × 250 × 250 mm
Maximum speed: 600 mm/s
Recommended speed: 300 mm/s
Maximum acceleration: 20,000 mm/s²
320°C maximum nozzle temperature
120°C maximum heated bed
Fully enclosed CoreXY design
0.4 mm quick-release hotend; optional 0.2/0.6/0.8 mm
LeviQ 3.0 automatic leveling + Z-offset
Resonance compensation
Dynamic flow compensation
Pressure advance calibration.
ACE Pro
The Combo's biggest advantage is the included ACE Pro:
4-colour printing
Can be expanded to 8 colours with two ACE Pro units and the appropriate 8-colour module
Active filament drying up to 55°C
Can dry while printing
Automatic filament switching/refill
Filament entanglement detection
Designed for PLA, PETG, ABS and ASA
TPU 95A cannot be used through ACE Pro; TPU needs single-colour printing.
Smart features
AI spaghetti detection
Filament detection and auto-resume
Power-loss recovery
Object skip
Area leveling
Belt-tension monitoring
HD camera, up to 480p
Anycubic App for remote monitoring/control
4.3-inch touchscreen.
Noise
Anycubic rates it at approximately 46 dB in standard mode and 44 dB in quiet mode.
Important limitation
Unlike the H2S, the Kobra S1 has no actively heated chamber. Its 250³ mm build volume is also considerably smaller than the Kobra 3 Max's 420 × 420 × 500 mm volume.
