Occasionally AMS makes available product units that cannot be sold as new — this includes both obsolete and current models.
AMS refurbishes, repairs, tests, and re-certifies these products, and offers a two-year warranty on them. All documentation is in pdf format 
Subject to change, we have the following refurbished products available:
| Product | Documentation |
|---|---|
| DAX 422 (obsolete) Dual-Axis 2.8A Step Motor | Data sheet Technical Manual |
| MAX 420 4-Amp Dual-axis Step motor Driver/Controller/Power Supply | Data sheet Technical Manual |
| DCB 264(obsolete) 4 amp micro step driver/controller | Data sheet Technical Manual |
| DR38M(obsolete) 3.75 amp micro step driver | Data sheet Technical Manual |
| DRV 1(obsolete) 1 amp driver | Data sheet Technical Manual |