Korg GT-120 Guitar/Bass Chromatic Tuner  

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The GT-120 guitar and bass tuner combines the accuracy of needle-type meters with superior functionality and an easy-to-use design.

The GT-120: a new style of needle-type meter Read More

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The GT-120 guitar and bass tuner combines the accuracy of needle-type meters with superior functionality and an easy-to-use design.

The GT-120: a new style of needle-type meter
The needle-type meter that has enjoyed enduring popularity for its clear visibility and stable detection is now available in a handy size, with the meter located at the top of a sleek black aluminum body. The backlit LCD screen also shows the calibration setting, flat mode, note name, and the remaining battery life. Flat (b) and sharp (#) LEDs light to indicate pitch drift or perfect tuning in a way that's easily visible even on a dimly lit stage. A large dial makes it easy to choose the mode you need to use. Using the stand located on the back, you can conveniently place the GT-120 upright on your amp or other surface while practicing.

Two different tuning modes: auto and manual
The GT-120 supports seven-string guitars and six-string basses. In "auto" mode, string names are automatically detected and the LCD automatically shows the name of the note that's closest to the pitch you play. In "manual" mode, you first choose the name of the note (C-B) you intend to tune.

Support for open tunings and flat tunings
The GT-120 supports open tunings often used with slide guitar or finger picking, with five tunings that include open D/E/G/A as well as DADGAD. The flat tunings are also supported, down to a maximum of four semitones below standard pitch.

Built-in mic allows tuning of acoustic guitars
Since a condenser mic is built into the GT-120, it's also easy to tune acoustic guitars on the fly.

Adjustable calibration
The calibration can be adjusted in a range of 438—445 Hz to accommodate a variety of standard pitches. With its wide detection range of A0—C8, the GT-120 lets you tune to any song or key.

Reference pitch
The GT-120 can play a reference pitch in a range of C2 (65.41 Hz)—C7 (2093 Hz), letting you tune using your ears while you also watch the meter. The large speaker provides extra volume.

Long battery life
The GT-120 is designed for an extended battery life of approximately 100 hours when running on two AAA batteries. It can also be used with an AC adapter (sold separately).

  • Dedicated chromatic tuner for guitar and bass that supports seven-string guitars and six-string basses
  • Dual display combines a needle-type indicator with an easy to read backlit LCD screen
  • Choose from two tuning modes: Auto or Manual
  • Built-in reference tone plays in a 5 octave range
  • Flat Tunings: 1-4 in half-note steps
  • Five types of open tunings (D, E, G, A, DADGAD)
  • Broad range of calibration adjustment (438Hz—445Hz)
  • Built-in mic for tuning acoustic guitars
  • Long battery life of more than 100 hours, plus a battery status indicator
USA Warranty Policy

All Korg products purchased from a Korg USA authorized dealer are warranted to be free from defects in material and workmanship to the original consumer purchaser as listed below:

Labor: 1 Year
Parts: 1 Year

Exceptions: Tubes, AC Adapters, Foot Switches: 90 days

Warranty Requirements and Limitations:

-Proof of Warranty - The customer must provide proof of purchase in order to obtain warranty service. The dated sales slip or copy thereof is the only acceptable proof of purchase.

-The product must be purchased from a Korg USA authorized dealer and have a valid serial number.

Damage resulting from the following causes are excluded from the warranty set forth above:
-Misuse, including damage occurring during shipment, damage caused by battery leakage, accident, fire, unauthorized repairs, tampering, cosmetic damage or other types of damage which are the result of improper handling or abuse.
-The cleaning of controls or contacts due to exposure to dirty, dusty, or otherwise contaminated environment.
-Damage resulting from modification.
-Damage to units used for loan or rental.

Register online and extend your warranty!
Register your new Korg keyboard, keyboard rack module or digital piano online and receive a certificate that extends the product warranty for an extra year from the date of purchase.

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(3 of 3 customers found this review helpful)


Best Tuner


from Nevada City, CA

I own several tuners from Boss and Korg and this is the best tuner I own. The needle is steady and doesn't jump around. Very precise! Very handy built-in stand and very nice case.

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