Korg GA-50 Tuner

For Guitar & Bass!
  • Display with large note name indicator
  • Tuning possible for 7-string guitars and 5- or 6-string basses
  • "Sound out" mode helps when changing strings
  • Memory backup function
  • Auto power-off function
  • Stylish design with excellent functionality
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Shipping on 20.04.2026
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Delivery on Tuesday, 21.04.2026, if you order within 2 Days 1 Hrs. 3 Min. 
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A Sleek, Simple Tuner Packed With Features!

The GA-50 is the standard tuner KORG recommends to every guitarist or bassist. The new display features a larger note name indicator that makes reading easier than ever. The GA-50 offers maximum functionality in a slim and compact housing, delivering precise tuning in any situation.

A display with note name indicator

A Display With Note Name Indicator

The GA-50’s LCD places the string number and note name in the center of the display. This indicator is now larger than before for even better visibility. The needle display shows pitch quickly and accurately. Operation is simple and smooth, making it easy to understand even for beginners.

Guitar and Bass Modes for Tuning

You can choose either guitar or bass mode. In each mode, the string number is displayed alongside the note name so you can tune correctly and confidently. The guitar mode also supports 7-string guitars, and the bass mode works for low-B and high-C strings. Dropped tunings are also supported, allowing detection from one semitone up to a maximum of five semitones.

Helper for Changing Strings

With a reference tone generated by the built-in speaker, the sound-out mode provides not only a visual but also an audible pitch reference. This is especially handy when changing strings, as you can start roughly tuning to the reference tone and then fine-tune in meter mode.

The Special Output Jack

The GA-50 is equipped with an output jack. Connect your guitar to the input jack and your amplifier etc. to the output jack, so you can check your tuning even during a performance.

Long Battery Life

The GA-50 allows approximately 135 hours of continuous operation (using zinc-carbon batteries). You can use it comfortably during long practice sessions. When the remaining battery power is low, the display shows an indicator informing you it’s time to change the batteries.

No More Tipping Over!

A new mechanism reduces the chance of the device tipping over, making it less likely that the tuner will slip and fall off a music stand. You can focus on your playing without worrying about the tuner falling during your performance.

No more tipping over!

Memory Backup and Auto Power-Off

The memory backup function saves the calibration and tone output mode settings even when the device is turned off. (Settings reset when you replace the batteries.) The auto power-off function automatically switches off the device after 20 minutes without input sound.

Finally - the stylish design

Finally - The Stylish Design

The fold-out stand allows you to stabilize the tuner itself. The battery compartment cover is made as one piece with the device, so there’s no risk of losing the cover when changing batteries.

A Dedicated Guitar/Bass Tuner - Perfect for All-Around Use!

Features

  • An even more readable display with a larger note name indicator
  • Guitar and bass modes allow tuning of 7-string guitars and 5- or 6-string basses
  • "Sound out" mode helps when changing strings
  • With the output jack, you can even tune during a performance
  • Significantly longer battery life
  • Less strain when using the device on a music stand
  • Memory backup and auto power-off functions included
  • Stylish design with excellent functionality

Technical Data

  • Scale: 12 notes, equal temperament tuning
  • Measurement range:
    - Guitar: 7B, 6E, 5A, 4D, 3G, 2B, 1E
    - Bass: Low B, 4E, 3A, 2D, 1G, High C
  • Tuning modes: Meter mode, Sound Out mode
  • Flat tuning: 1-5 semitones
  • Detection accuracy: +/- 1 cent
  • Sound accuracy: +/- 1.5 cent
  • Connections:
    - Input (1/4" jack)
    - Output (1/4" jack)
  • Speaker: Dynamic speaker (f21mm)
  • Power supply: Two AAA microcells (3.0 V)
  • Battery life: approx. 135 hours
  • Dimensions (W x D x H): 100 mm x 67 mm x 17 mm
  • Weight: 81 g (incl. batteries)
  • Color: Black

Scope of delivery

  • 1 x Korg GA-50 Guitar & Bass Tuner
  • 2 x AAA batteries

Specification

  • Product number 00053556
  • Colour Black

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