【Special Features】 ◎ Adjustable response speed in 3 stages (SLOW, MEDIUM, FAST) to accurately measure overtones based on string amplitude. ◎ Excellent visibility with needle-style meter and LCD display, showing note names and octaves. 【High-Precision Tuning】 KORG's OT-12 is a high-precision tuner designed for orchestras. Auto-tuning function allows for quick and accurate adjustments. 【Multi-Function Design】 Also equipped with a manual mode, allowing for flexible tuning to meet the needs of the performer. Easy sound adjustment. 〇 Calibration Range A=349Hz～499Hz (1Hz step) 〇 Measurement Range 9 octaves A0 (27.50Hz)～C8 (4186.01Hz) 〇 Measurement Accuracy ±1 cent 〇 Reference Tone Generation 5 octaves C2 (65.41Hz)～C7 (2093.01Hz) Volume 2 levels 〇 Tuning Modes Auto (SLOW, MEDIUM, FAST), Manual, Sound 【Other Features】 〇 Transposition mode convenient for wind instruments (Transposition range: C, C#, D, Eb, E, F, F#, G, G#, A, Bb, B) ◎ Supports classical temperaments with multi-temperament function (Temperaments: 12-tone equal temperament, Pythagorean, Mean Tone D#, Mean Tone Eb, Werckmeister, Kirnberger, Kellner, Vallotti, Young) 【Specifications】 Compact Design Compact size convenient for carrying, ideal for instrument maintenance. ◎ Size: 140.5 (W) ✕ 60.0 (H) ✕ 39.5 (D) mm 〇 Weight: 194g (including batteries) 〇 Optional AC adapter can be used ◎ Optional CM-100 clip-on pickup microphone can be used ◎ Power: 2 AA batteries (3V), or AC adapter (A30960J) 〇 Terminals: INPUT (mono standard), OUTPUT (mono standard), DC IN (9V) - Brand: KORG - Model: OT-12 - Type: Orchestra Tuner - Functions: Auto-tuning, Manual tuning - Power: AC adapter (DC 9V) - Country of Manufacture: Taiwan - Serial Number: 067615 Thank you for viewing.