Korg OT-120 Orchestral Chromatic Tuner with High-Precision Needle Display

The Korg OT-120 is a professional-grade chromatic tuner designed specifically for orchestral instruments, featuring a high-precision needle-type meter and dual-display visibility for accurate pitch detection. Its wide tuning range spans from A0 to C8, making it suitable for wind, string, and keyboard instruments. The device offers versatile calibration ranging from A4=349-499 Hz, along with transposition support and multiple historical temperament presets for period-accurate tuning. Users can select between Auto and Manual modes, with adjustable needle response speed to accommodate different playing styles. A built-in microphone and Sound Back mode enable reference tone generation for pitch training and ensemble tuning. With an energy-efficient design providing over 100 hours of battery life, the OT-120 is a reliable tool for musicians, educators, and students. A protective soft case is included for portability and storage.

Tuning Range: A0 (27.50 Hz) - C8 (4186.01 Hz)
Calibration Range: A4=349-499 Hz (1 Hz steps)
Tuning Accuracy: +/- 1 cent
Reference Tone: C2 (65.41 Hz) - C7 (2093 Hz)
Battery Life: Over 100 hours
Power Supply: 2 x AAA batteries (or optional AC adapter)
Dimensions: 2.91" x 4.72" x 1.42"
Weight: 0.44 lbs
Included Accessories: Soft case