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Based on price data from 3 merchants for "Korg OT-120 Chromatic Orchestral Tuner". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Korg OT-120 Chromatic Orchestral Tuner, a pinnacle of precision and versatility, designed to meet the tuning needs of the most diverse orchestral instruments. From the resonant strings of a cello to the vibrant brass of a trumpet and the delicate keys of a piano, the OT-120 ensures that every note you play is pitch-perfect.
Crafted with a keen eye for detail, this tuner boasts a wide tuning range from A0 to C8, accommodating the full spectrum of orchestral sounds. The dual-display system, featuring a needle-type meter alongside a backlit LCD, offers unparalleled visibility, ensuring you can tune with confidence in any setting. Whether you're in the midst of a dimly lit rehearsal or under the bright lights of the stage, the OT-120 has you covered.
The tuner's sophisticated design doesn't just stop at functionality. Its vertical form factor is not only easy to hold but also stands independently, thanks to a thoughtfully placed rear-mounted stand, making it a seamless addition to your musical arsenal. The inclusion of a large dial and soft-touch buttons further enhances the tuning experience, allowing for effortless operation.
Calibration is a breeze with a flexible range from 349Hz to 499Hz, ensuring your instrument matches any concert pitch. Plus, the OT-120 caters to historical temperaments and transposing instruments, making it a versatile choice for musicians of all genres.
Whether you're fine-tuning your instrument for a solo performance or synchronizing with an orchestra, the Korg OT-120 Chromatic Orchestral Tuner is your go-to for accuracy and reliability. Complete with a durable soft case for protection, it's the tuner that stands by you, note after note.
Key Features:
- Wide tuning range from A0 to C8, suitable for a variety of orchestral instruments.
- Dual-display with a needle-type meter and a backlit LCD for excellent visibility.
- Flexible calibration from 349Hz to 499Hz to match concert pitch.
- Supports multiple temperaments and transposing instruments for versatile tuning.
- Three needle response speeds (slow, medium, fast) to match your tuning preference.
- Auto and manual tuning modes for ease of use.
- Built-in reference tone from C2 to C7 for pitch correction and practice.
- Long battery life of approximately 100 hours on two AAA batteries.
- Sleek vertical design with a rear-mounted stand for easy operation and visibility.
- Includes a durable soft case for protection and portability.
Product specs
| Type | Chromatic |
| Format | Handheld |
| Display Type | VU Meter, LCD |
| Reference Pitch | A4 = 349Hz-499Hz |
| Tuning Range | A0-C8 (27.5-4186Hz) |
| Accuracy | ±1 cent |
| Tuning Modes | Auto, Manual, Sound Back |
| Inputs | 1 x 1/4" |
| Outputs | 1 x 1/4" |
| Power Supply | 9V DC power supply (sold separately) |
| Batteries | 2 x AAA (included) |
| Height | 1.42" |
| Depth | 4.71" |
| Width | 2.91" |
| Weight | 0.43 lbs. |
FAQs
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What is the tuning range of the Korg OT-120 Chromatic Orchestral Tuner?
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The Korg OT-120 offers a tuning range from A0 to C8 (27.5-4186Hz), making it suitable for a wide variety of instruments including orchestral and band instruments.
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How accurate is the Korg OT-120 tuner?
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The Korg OT-120 provides tuning accuracy within ±1 cent, ensuring precise tuning for professional and amateur musicians alike.
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Does the Korg OT-120 Chromatic Orchestral Tuner support different tuning modes?
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Yes, the Korg OT-120 supports Auto, Manual, and Sound Back tuning modes, offering flexibility for different tuning preferences and environments.
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What type of display does the Korg OT-120 have?
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The Korg OT-120 features a VU meter and an LCD display, providing clear and easy-to-read tuning information.
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Can the Korg OT-120 be powered by batteries?
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Yes, the Korg OT-120 can be powered by 2 x AAA batteries, which are included, or by a 9V DC power supply (sold separately).
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Is the Korg OT-120 suitable for tuning orchestral instruments?
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Absolutely, the Korg OT-120 is designed as an orchestral tuner and is ideal for tuning a variety of orchestral instruments with its wide tuning range and precise accuracy.
Reviews
PROS
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Flexible tuning modes accommodate a variety of instruments and temperaments
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Precise analog needle display preferred for setups and intonation
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Built-in mic and input jacks for diverse tuning options
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Quick and accurate tracking, even for double stops
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Adjustable sensitivity for different instrument response times
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Reference tone feature useful for tuning complex harmonic instruments
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Includes ancient instrument presets for non-western tunings
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Portable with power input option to avoid battery use
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Highly rated for orchestral, woodwind, and brass instruments
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Durable enough for studio use with a stable built-in stand
CONS
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Needle and mic functionality may degrade over time
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Build quality criticized as flimsy, with cheap plastic construction
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Display can be hard to read from certain angles
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Limited range for very low and high piano notes
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Not ideal for microtonal tunings due to less accurate cent adjustment
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Temperament modes not key-adjustable, limiting utility
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Performance issues with tuning certain instruments like kora and piano
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Korg OT-120 Chromatic Orchestral Tuner.
Features and functionality
User experience
Comparisons
Setup and maintenance
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High impedance input may cause signal saturation, leading to unstable tuning detection with line-level signals.
Source
Critic Reviews
4.0 out of 5
Based on 1 Review and 1 Rating
41029
a great, compact tuner for acoustic instruments
This was my favorite tuner for my acoustic guitars and violin. Just stellar... build quality not bulletproof though...mine eventually broke. Once I gave up the violin I decided not to replace this since the snark had just come out and worked just fine for acoustic guitar. Once in awhile I need to record some horns and if one of the players didn't bring something like this I really miss it.
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