Setting intonation on a workbench requires a tuner that doesn't move. The AT2 stays put. The large needle allows you to watch pitch drift while you turn a screwdriver.
1. The Core Engine: EDS-XP (Enhanced Definition Synthesis - Expanded) korg at2 top
At the top of its functionality, the AT-2 stores tuning data for more than 500 piano models from major brands (Yamaha, Kawai, Steinway, Bösendorfer, etc.). This allows the tuner to compensate for inharmonicity — a key factor for professional results. Setting intonation on a workbench requires a tuner