Korg OT-120 Orchestral TunerTune wind and string instruments in a flash with the new OT 120, a needle type meter with a wide range and versatile functionality. The OT 120 is a chromatic tuner intended for the orchestra, packaging high performance and sophisticated functionality in a vertical design that's easy to hold and operate. It features a dual display, an easy to see needle type indicator and a backlit LCD screen that shows the battery level, sound output level,