Description

Tune wind and string instruments in a flash with the new OT-120, a needle-type meter with a wide range and versatile functionality.

Vertical-design and superior visibility
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, calibration, key and note name. Additional design features include a large dial that makes it easy to select the desired mode, finger-friendly buttons and a rear-mounted stand that lets the unit stand by itself. A sophisticated silver aluminum panel contributes to its sleek, new look.

Accurately tune orchestral instruments over a wide range
Since we developed the world's first meter-type tuner in 1975, the accuracy of Korg tuners has made them the choice of artists in all styles of music. With its wide range extending from A0 to C8, the OT-120 lets you quickly tune any type of brass band or orchestral instrument - wind, string or keyboard. The OT-120 also provides a wide range of calibration to support concert pitches in a range of A4=349-499 Hz (1 Hz steps).

Broad support for transposing instruments and historical temperaments
So that you can conveniently tune any wind instrument, twelve types of transposing keys are provided including both sharps and flats. The Multi Temperament function provides eight presets that cover the most popular historical temperaments often used with period instruments. These are also ideal for checking unique temperaments used in classical music.

Smooth and high-precision tuning you expect from a needle-type meter
The OT-120 uses a high-precision needle-type meter to accurately indicate any pitch discrepancy. The speed at which the needle responds to the input can be changed over a range of three steps; you can choose rapid or slow needle movement to match your tuning preference.
You can also choose from two tuning modes; Auto mode, which automatically detects the pitch of a single note you play on the input instrument, or Manual mode, which lets you specify the desired note name. In Manual mode the needle movement is shown in a range of ±500 cents, letting you view the tuning discrepancy over a wide range. In addition to the excellent visibility unique to a needle-type meter, the LEDs located below the meter also indicate pitch deviation or a perfect match, making precise tuning easy even in dim locations.

Energy-saving design for long battery life
The OT-120 is designed for an extended battery life of greater than 100 hours when running on two AAA batteries. It can also be used with an AC adaptor (separately sold option).

Korg's proprietary Sound Back mode provides a reference tone that's ideal for tuning wind or string instruments or for lessons
The OT-120 can produce a reference tone in a five-octave range extending from C2 (65.41 Hz) to C7 (2093 Hz). Two or more musicians can simultaneously listen to the reference tone while tuning. You can switch the output level in two stages. The large speaker opening allows high volume, and the speaker opening is not obstructed even when using the stand, ensuring that the reference tone will be easily audible.
The OT-120 also provides Korg's proprietary Sound Back mode. This mode lets you connect an optional CM-200 Contact Microphone to the input jack, and automatically make the OT-120's speaker produce a reference tone for the note that is closest to the input pitch you play on your instrument. The meter will also indicate the input pitch, letting you tune using your eyes as well as your ears for greater accuracy - and also providing a great way to train your sense of pitch. Since a mic is built in, the OT-120 can easily detect the pitch of any acoustic instrument.
 

FREQUENTLY ASKED QUESTIONS

1. What type of instruments can I tune with the KORG OT-120?

• The KORG OT-120 is designed to tune various orchestral instruments, including wind, string, and keyboard instruments. Its wide detection range from A0 (27.50 Hz) to C8 (4186 Hz) makes it suitable for everything from the lowest brass instruments to the highest-pitched strings.

2. What are the main features of the KORG OT-120 tuner?

• Dual Display: It combines an easy-to-read needle-type meter with a backlit LCD screen that shows battery level, calibration, key, and note name.

• Needle-type meter: This meter offers smooth, high-precision tuning and an adjustable speed for needle movement (slow, medium, fast).

• Reference Tone Output: Provides reference tones across five octaves (C2-C7), ideal for aural tuning.

• Transposing Function: Twelve transposing keys allow easy tuning for wind instruments.

• Temperament Settings: Supports eight historical temperaments (such as Pythagorean and Werckmeister III) for period instruments.

• Energy-Efficient Design: Two AAA batteries offer up to 100 hours of use.

3. How accurate is the tuning on the KORG OT-120?

• The OT-120 provides highly accurate tuning with a detection accuracy of ± 1 cent. The reference tone accuracy is ± 1.5 cents, ensuring precise tuning for both beginner and professional musicians.

4. Can I use the KORG OT-120 with transposing instruments?

• Yes, the KORG OT-120 supports twelve types of transposing keys (C, C#, D, Eb, E, F, F#, G, G#, A, Bb, B) for easy tuning of wind instruments like clarinets, trumpets, and saxophones.

5. What are the temperament options available on the KORG OT-120?

• The OT-120 supports eight historical temperaments, which are ideal for tuning period instruments or checking unique temperaments often used in classical music:

• 12 Equal Tempered

• Pythagorean

• Werckmeister III

• Vallotti

• Mean Tone Eb

• Kirnberger III

• Young

• Mean Tone D#

• Kellner

6. How does the Sound Back mode work?

• The Sound Back mode, available with an optional CM-200 Contact Microphone, plays a reference tone closest to the input pitch of your instrument. This mode allows you to tune both visually (using the meter) and aurally (by hearing the reference tone), which can help train your sense of pitch.

7. Can the OT-120 be used in low-light conditions?

• Yes, the KORG OT-120 features a backlit LCD screen, which makes it easy to read in dimly lit environments, such as orchestral pits or rehearsal studios.

8. What is the detection range of the KORG OT-120?

• The KORG OT-120 has a wide detection range from A0 (27.50 Hz) to C8 (4186 Hz), making it capable of tuning a wide array of instruments across various pitch ranges.

9. What are the power options for the KORG OT-120?

• The KORG OT-120 operates on two AAA batteries and can provide up to 100 hours of use in meter mode with medium speed (without backlighting). It also has a DC input for an optional AC adapter, allowing for continuous power without the need for battery replacement.

10. Can I use the KORG OT-120 to produce reference tones?

• Yes, the OT-120 can produce reference tones over a five-octave range from C2 (65.41 Hz) to C7 (2093 Hz). The volume of the reference tone can be adjusted in two levels, making it useful for tuning by ear or for lessons where multiple musicians need to hear the tone.

11. What tuning modes are available on the KORG OT-120?

• The KORG OT-120 offers the following tuning modes:

• Auto Mode: Automatically detects the pitch of the note you play and displays the tuning discrepancy. You can choose from three response speeds:Slow,Medium, orFast.

• Manual Mode: Allows you to specify the note name, and the meter shows the tuning discrepancy across a wide range of ±500 cents.

• Sound Back Mode: Plays a reference tone closest to the detected pitch, allowing you to tune by ear.

12. How can I calibrate the KORG OT-120?

• The OT-120 supports calibration for different concert pitches from A4 = 349 Hz to 499 Hz, adjustable in 1 Hz steps. This feature is essential when tuning instruments to match specific tuning standards or ensembles.

13. Does the KORG OT-120 have any additional accessories?

• Yes, the KORG OT-120 comes with two AAA batteries for initial use and a suede-tone soft case for protection. Additionally, the optional CM-200 Contact Microphone can be used to enhance its tuning capabilities with the Sound Back mode, and an AC adapter can be purchased separately for continuous power.

14. How does the OT-120 compare to other tuners?

• The KORG OT-120 stands out due to its combination of a traditional needle-type meter for high-precision tuning and a modern LCD display for added functionality. It also supports a wide range of instruments, historical temperaments, and transposing keys, making it more versatile than many standard chromatic tuners.

15. What are the dimensions and weight of the KORG OT-120?

• The OT-120 measures 74 x 120 x 36 mm (2.91" x 4.72" x 1.42") and weighs approximately 193 g (6.81 oz), including the batteries. Its compact size and lightweight design make it portable and convenient for musicians on the go.

16. Can I use the KORG OT-120 for professional performances?

• Absolutely. The OT-120's precision, wide tuning range, multiple temperaments, and support for transposing instruments make it an ideal tuner for professional orchestral and solo performances, as well as for practice and rehearsal settings.

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)
• Accessories: two alkaline AAA batteries for checking operation, a suede-tone soft case
• Options: AC adapter

*Even if a sound is within the detectable pitch range, detection may be unsuccessful for instrumental sounds that contain a large number of overtones or that decay rapidly.
* All product, company, and standard names are trademarks or registered trademarks of their respective holders.
* Appearance and specifications of products are subject to change without notice.
 

Size & Weight

• 74 x 120 x 36 mm / 2.91" x 4.72" x 1.42"
• 193 g (including batteries) / 6.81 oz. (including batteries)