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Korg GA-2 Guitar and Bass Tuner GA-2 4959112159136 Korg

Korg GA-2 Guitar and Bass Tuner


Korg GA-2 Guitar and Bass Tuner

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The Korg GA-2 is a compact guitar and bass tuner. It features a needle-style meter with large high-visibility note name and string name. Available to buy online at or in our Glasgow guitar shop, Merchant City Music.

Korg GA-2 Guitar and Bass Tuner

With its superior basic functionality and convenient functions, the GA series has become extremely popular with musicians as a standard guitar/bass tuner, now has a fresh new look. While carrying on the stylish design with its simple layout of the necessary functions, it now has a larger note name and string name display, making the meter even easier to read. Dedicated guitar and bass modes can be selected, making it a must-have item not only for beginners who have just started their instrument but for all players. The GA-2 provides stable tuning functionality in any situation from home to studio and stage, with the high precision, sensitivity, and simple ease of use that you expect from KORG tuners.

A needle-style meter with large high-visibility note name and string name

KORG's needle-style meter that shows you the pitch quickly and accurately now has a note name and string name display area that's approximately four times larger, making it easier than ever to read. Red and green LEDs to indicate the pitch discrepancy are also provided for even smoother tuning.

A compact body that's slim and lightweight

The GA-2 is a pocket-sized card-type tuner that's easy to carry anywhere. The rounded body is comfortable to hold in your hand, and has an even more stylish design that accents the battery compartment. It uses a new mechanism that lets you replace the battery by sliding the entire body, so there's no risk of losing the battery compartment cover.

Dedicated guitar and bass modes

The GA-2 lets you select either Guitar mode or Bass mode for truly easy operation with automatic pitch detection. The guitar mode supports 7-string guitars (7B through 1E). The bass mode supports 6-string basses (Low-B, Hi-C). A high-sensitivity microphone is built-in, allowing easy and accurate tuning of acoustic guitars.

Tune with adjustable calibration

Since the calibration value of 430–450 Hz is shown within the meter, you can tune using the calibration of your choice.

Quinta Flat tuning mode

The GA-2’s Quinta Flat Tuning mode supports the lowered tunings used in heavy metal styles to give more weight to the sound. The GA-2 gives you five steps of flatted tuning, extending as far as five semitones below standard pitch, and supporting even super-long scale guitars that are five frets longer than conventional guitars.

Sound mode emits a reference tone from the built-in speaker

In addition to tuning visually with the meter, you can also tune by ear using Sound Out mode which emits a reference tone to which you can tune each string of your guitar or bass.

Approximately 200 hours of continuous use

The high-efficiency long-life design allows approximately 100 hours of continuous operation on two AAA zinc-carbon batteries or approximately 200 hours on alkaline batteries.

Product Details

  • Scale: 12 note equal temperament

  • Detection Range: B0 bbbbb (23.12Hz) - B6 (1975.53Hz) Guitar/Bass Tone

  • Reference Tone: [GUITAR] 7B -> 6E -> 5A -> 4D -> 3G -> 2B -> 1E  [BASS] LB -> 4E -> 3A -> 2D -> 1G -> HC  (Pitch is 1 octave higher for GUITAR, 2 octaves higher for BASS)

  • Tuning Modes: Meter mode, Sound Out mode

  • Flat Tuning: 1-5 semitones (semitone steps)

  • Detection Accuracy: +/- 1 cent

  • Sound Accuracy: +/- 1.5 cent

  • Connectors: INPUT jack (1/4” monaural phone jack)

  • Power Supply: Two AAA batteries (3V)

  • Battery Life: Approximately 200 hours (alkaline batteries, Meter mode, A4 continuous input) Approximately 100 hours (zinc-carbon batteries, Meter mode, A4 continuous input)

  • Dimensions: (W x D x H) 100 x 60 x 16 mm / 3.94” x 2.36” x 0.63”

  • Weight: 67 g / 2.36 oz. (including batteries)

  • Included Items: Two AAA batteries for verifying operation

  • Accessories: Contact Microphone CM-200 available seperately