Pricing and availability

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Sweetwater
4.5 (20)
$85.99
Guitar Center
4.0 (8)
$85.99
Amazon
4.6 (1137)
$79.98
Reverb
5.0 (1)
$67.67 New
$41.80 Used
Musician's Friend
4.0 (15)
$85.99
zZounds
5.0 (2)
$95.99
B&H
4.0 (9)
$99.99
Thomann
4.7 (213)
$71.00

Price History

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

What is the tuning range of the Korg OT-120 Chromatic Orchestral Tuner?

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.

How accurate is the Korg OT-120 tuner?

The Korg OT-120 provides tuning accuracy within ±1 cent, ensuring precise tuning for professional and amateur musicians alike.

Does the Korg OT-120 Chromatic Orchestral Tuner support different tuning modes?

Yes, the Korg OT-120 supports Auto, Manual, and Sound Back tuning modes, offering flexibility for different tuning preferences and environments.

What type of display does the Korg OT-120 have?

The Korg OT-120 features a VU meter and an LCD display, providing clear and easy-to-read tuning information.

Can the Korg OT-120 be powered by batteries?

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).

Is the Korg OT-120 suitable for tuning orchestral instruments?

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

  • Flexible tuning modes accommodate a variety of instruments and temperaments

  • Precise analog needle display preferred for setups and intonation

  • Built-in mic and input jacks for diverse tuning options

  • Quick and accurate tracking, even for double stops

  • Adjustable sensitivity for different instrument response times

  • Reference tone feature useful for tuning complex harmonic instruments

  • Includes ancient instrument presets for non-western tunings

  • Portable with power input option to avoid battery use

  • Highly rated for orchestral, woodwind, and brass instruments

  • Durable enough for studio use with a stable built-in stand

CONS

  • Needle and mic functionality may degrade over time

  • Build quality criticized as flimsy, with cheap plastic construction

  • Display can be hard to read from certain angles

  • Limited range for very low and high piano notes

  • Not ideal for microtonal tunings due to less accurate cent adjustment

  • Temperament modes not key-adjustable, limiting utility

  • 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

  • The Korg OT-120 is unique for displaying the octave, which is rare among tuners.

    Source
  • The Korg chromatic tuner is praised for tuning not only oscillators but also filter cutoffs on older synths.

    Source

User experience

  • Owners have experienced instability and confusion with octave detection when using the internal mic on nylon guitars.

    Source
  • Users value the built-in microphone and 1/4-inch jack, allowing for flexible tuning across various instruments without additional adapters.

    Source

Comparisons

  • Users suggest the Korg NTS2 as a more convenient alternative for tuning synths.

    Source
  • While some users prefer the Peterson StroboPLUS HD for its detailed visual tuning, the Korg chromatic tuner remains a favored choice for its straightforward functionality.

    Source

Setup and maintenance

  • High impedance input may cause signal saturation, leading to unstable tuning detection with line-level signals.

    Source

Use cases and applications

  • This tuner can be integrated into a patchbay setup, making it versatile for modular or semi-modular synth environments like the 0Coast or Fatman.

    Source

Critic Reviews

Hands-On Review: Korg OT-120 Chromatic Orchestral Tuner - The Hub

musiciansfriend.com

Korg's OT-120 Chromatic Orchestral Tuner is a versatile tool for musicians, offering tuning across an impressive range of eight octaves, making it suitable for both modern and historical instruments. The device shines with features like adjustable calibration and multiple temperaments, making it ideal for period instruments such as a Baroque lute or a crumhorn. However, while its functionality is extensive, the complexity might be overwhelming for beginners. With its durable build and reliable performance, serious musicians will find it a valuable addition to their toolkit, despite the learning curve involved.

positive

4.0 out of 5

Based on 1 Review and 1 Rating

5 star
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1 star
jimmarchi1

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.

Artist usage

Add artist
See how Steve Harris uses Korg OT-120 Chromatic Orchestral Tuner

Steve Harris

Bassist, Composer

Iron Maiden

...
Verified via YouTube

In this video, you can see Korg OT-120 Chromatic Orchestral Tuner at 3:23.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Korg OT-120 Chromatic Orchestral Tuner, it is most commonly used with the following gear.

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See also: Tuners, Korg, Korg Tuners

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