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Anycubic
Anycubic Kobra S1 Max
FDM filament printer. Build volume: 350 × 350 × 350 mm.
Assessed from documentation Updated on October 4, 2026
How to recognize it: Check the full model name “Kobra S1 Max” on the label or in device information. Suffixes and revisions identify different models; check the source before selecting parts.
Technical specifications
Manufacturer specifications for the listed configuration. Notes identify accessories, measurement conditions and calculated values.
Technology and structure2
| Technology | FDM |
|---|---|
| Build area shape | Rectangular |
Build area and volume4
| Build area X | 350 mm |
|---|---|
| Build area Y | 350 mm |
| Build area Z | 350 mm |
| Build volume | 42.875 L Calculated from nominal X × Y × Z dimensions. |
Hardware6
| Enclosed as standard | Yes |
|---|---|
| Extruder type | Direct drive |
| Standard nozzle | 0.4 mm |
| Available nozzle diameters | 0.25, 0.4, 0.6, 0.8 mm |
| Nozzle material | Hardened steel |
| Build plate | PEI spring steel |
Temperatures4
| Maximum hotend temperature | 350 °C |
|---|---|
| Maximum bed temperature | 120 °C |
| Chamber heating | Active |
| Maximum chamber temperature | 65 °C |
Speed and performance3
| Advertised maximum print speed | 600 mm/s |
|---|---|
| Advertised typical print speed | 300 mm/s |
| Maximum acceleration | 20,000 mm/s² |
Features6
| Multicolor system | Optional ACE 2 Pro |
|---|---|
| Colors with documented configuration | 16 With optional ACE 2 Pro system and expansion. |
| Automatic leveling | Yes |
| Filament runout sensor | Yes |
| Power loss recovery | Yes |
| Camera | Built in |
Connectivity5
| Control display diagonal | 4.3 in |
|---|---|
| Control display | Capacitive touchscreen |
| Connectivity | USB, Ethernet, Wi-Fi 6, LAN |
| Listed slicers | Anycubic Slicer Next |
| Firmware | Kobra OS |
Materials1
| Manufacturer-listed materials | PLA, PETG, TPU, PET, PLA-CF, PETG-CF, PVA, ABS, ASA, PC, PA, PA6-CF, PC-CF, PC-GF, PET-CF |
|---|
Dimensions and weight4
| Machine width | 502.7 mm |
|---|---|
| Machine depth | 483 mm |
| Machine height | 584 mm |
| Net weight | 25.7 kg |
Power1
| Advertised noise | 48 dB Standard mode; ≤ 45 dB in quiet mode. |
|---|
Technical sources: Kobra S1 Max — documentazione ufficiale
Undocumented specifications (16)
- Kinematics: Not documented
- Shared dual-nozzle area X: Not documented
- Shared dual-nozzle area Y: Not documented
- Shared dual-nozzle area Z: Not documented
- Installed toolheads / extruders: Not documented
- Filament diameter: Not documented
- Maximum travel speed: Not documented
- Maximum volumetric flow: Not documented
- Minimum layer thickness: Not documented
- Maximum layer thickness: Not documented
- Air filtration: Not documented
- Internal storage: Not documented
- Rated power: Not documented
- Power supply: Not documented
- Leveling method: Not documented
- Advertised Z accuracy: Not documented
No published compatibility for this printer.
Related guides
General guides help identify print defects. Follow the manual for your exact model and variant for disassembly, maintenance and calibration.
- First layer not sticking: causes and checks
How to recognise a first layer that is too high, too squished or uneven and fix it in order: plate cleaning, slicer profile, leveling, Z offset. Based on official guidance from Bambu Lab, Prusa, Creality, Elegoo and Anycubic.
- Warping: corners lifting off the bed with ABS, ASA, PETG and PLA
Why corners curl and how to reduce it: plate cleaning, drafts, enclosure, bed temperature, brim and ears, cooling and glue. Based on official guidance from Bambu Lab and Prusa and on user experience.
- Clogged nozzle and under-extrusion: find where the blockage is and fix it
How to tell a blockage in the PTFE tube, the extruder or the hotend apart, when to use the needle and cold pull, how to recognise heat creep, and when replacing the nozzle, PTFE tube or gears is actually justified.
- Wet filament: recognise it, dry it and store it
Symptoms of filament that has absorbed moisture, the most sensitive materials, how to dry following Bambu Lab and Prusa official tables without damaging spool or filament, and how to keep it dry.
- Stringing and oozing: how to get rid of filament strings and blobs
How to recognise stringing and oozing, the main causes (wet filament, temperature, retraction, travel moves, nozzle) and the checks to do in order, with official guidance from Prusa, Bambu Lab, Creality and Elegoo.
- Layer shifting: causes and checks in order
Why layers shift along X or Y and how to find the cause: obstructions, collisions with curled parts, belts, pulleys, speed, electronics cooling and motors, with official guidance from Prusa, Bambu Lab, Creality, Elegoo and Anycubic.
- Ringing and ghosting: getting rid of ripples on FDM print walls
What ringing (or ghosting) is, why it appears after corners and lettering, and how to fix it in order: printer surface, loose parts, belts, lubrication, vibration calibration (input shaping), speed and acceleration.
Dates and news
-
Anycubic opens Kobra S1 Max Combo pre-orders
Anycubic unveiled the Kobra S1 Max Combo, an enclosed CoreXY printer with a 350 × 350 × 350 mm build volume and active chamber heating up to 65 °C, starting a deposit-based pre-order campaign with discounted pricing.
Sources: Anycubic Drops Kobra S1 Max Combo, Promises Huge Engineering Parts at High Speed (All3DP)
Official documentation
Manuals and guides published by Anycubic. Links go to the manufacturer’s site; we consulted them on the date shown.
- Support page
-
- Support hub page (Anycubic Wiki) — English, accessed on October 5, 2026
- User manual
-
- User manual (PDF) — English, accessed on October 5, 2026
- Quick start guide
-
- Quick start guide — English, accessed on October 5, 2026
- Maintenance
-
- Maintenance recommendations — English, accessed on October 5, 2026
- Cleaning the chamber air circulation fan — English, accessed on October 5, 2026
- XY and Z belt adjustment — English, accessed on October 5, 2026
- Cleaning a clogged nozzle — English, accessed on October 5, 2026
- Troubleshooting
-
- Troubleshooting: clogged print head — English, accessed on October 5, 2026
- Troubleshooting: nozzle scratching the bed — English, accessed on October 5, 2026
- Troubleshooting: model not sticking to the bed — English, accessed on October 5, 2026
- Troubleshooting: layer shifting — English, accessed on October 5, 2026
- Parts replacement
-
- Quick-release nozzle replacement — English, accessed on October 5, 2026
- Filament cutter replacement — English, accessed on October 5, 2026
- XY belt replacement — English, accessed on October 5, 2026
- Heater block assembly replacement (hotend) — English, accessed on October 5, 2026
- Firmware and software
-
- Firmware update guide — English, accessed on October 5, 2026
- Technical specifications
-
- FAQ and technical specifications — English, accessed on October 5, 2026
- Filament, nozzle and glue compatibility — English, accessed on October 5, 2026
- Official documentation — English, accessed on October 5, 2026
Sources
- Kobra S1 Max — official documentation — Anycubic, accessed on October 5, 2026