Anycubic Kobra S1 Combo: Source-Based Technical Review

Research note: manufacturer-source analysis only. No hands-on reliability or print-quality claim is implied.

Core printer

Anycubic lists a 250 × 250 × 250 mm build volume, fully enclosed CoreXY construction, a 320 °C maximum hotend and 120 °C bed. The manufacturer recommends 300 mm/s and lists 600 mm/s as the maximum, which is a useful distinction: recommended and headline maximum are not the same number.

ACE Pro is a major part of the Combo proposition

The Combo supports 4- or 8-color printing and active filament drying up to 55 °C. Anycubic specifically notes that TPU 95A is not compatible with ACE Pro, even though TPU is listed among the printer's supported materials. That is exactly the kind of system-level compatibility detail buyers should check before assuming that every printer-compatible filament is feeder-compatible.

Nozzle options

The official page lists a 0.4 mm standard nozzle and 0.25, 0.6 and 0.8 mm options, with a 320 °C temperature ceiling. Smaller nozzles improve fine-feature capability at the cost of flow; larger nozzles can reduce print time on thick-wall parts but require appropriate layer heights and flow.

Who should shortlist it

The Kobra S1 Combo is structurally interesting for buyers prioritizing an enclosed 250 mm-class printer with integrated multi-color and active filament drying. Users focused on parts larger than 250 mm should filter by build envelope before comparing software features.