KorgOT-120 Chromatic Tuner
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Description
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The Korg OT-120 Chromatic Tuner is a compact, accurate tuner for orchestral and solo instruments. Its vertical design allows easy handling, while the dual-display and needle-type indicator provide clear tuning feedback. The backlit LCD shows battery status, sound output, calibration, key, and note name. The large dial and intuitive buttons make switching modes simple, and the rear stand lets the tuner stand independently. Compatible with multiple tuning scales and adjustable calibration, the OT-120 ensures reliable and precise tuning.
SPECIFICATIONS
| Scale | 12 equal tempered, Pythagorean, Werckmeister III, Vallotti, Mean Tone Eb, Kirnberger III, Young, Mean Tone D#, Kellner |
| Transpose Range | C, C#, D, Eb, E, F, F#, G, G#, A, Bb, B |
| Detection Range | A0 (27.50 Hz) – C8 (4186 Hz) |
| Reference Tone | C2 (65.41 Hz) – C7 (2093 Hz), five octave, two-step volume control |
| Tuning Modes | AUTO (SLOW, MEDIUM, FAST), MANUAL, SOUND BACK |
| Calibration | A4 = 349 – 499 Hz (1 Hz step) |
| Detection Accuracy | ± 1 cent |
| Tone Accuracy | ± 1.5 cent |
| Connectors | INPUT (1/4” phone jack), OUTPUT (1/4” phone jack), DC IN (9 V) |
| Power Supply | Two AAA batteries, or AC adapter (separately sold) |
| Battery Life | Approx. 100 hours (with alkaline batteries, in meter mode (MEDIUM), A4 tone continuously input, without backlit) |
| Dimensions (W x D x H) | 74 x 120 x 36 mm / 2.91” x 4.72” x 1.42” |
| Weight | 193 g (including batteries) / 6.81 oz. (including batteries) |
| Accessories | Two alkaline AAA batteries for checking operation, a suede-tone soft case |
| Options | AC adapter |
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