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High accuracy and superb functionality have made Korg tuners the worldwide favorite. And now, the new GA-1 joins the best-selling GA series of tuners. With even more features, like a pitch reference tone and quinta-flat tuning, the GA-1 tuner packs basic functionality and convenient tuning functions into ultra-compact bodies.

  • Ultra-compact design
  • High-precision LCD needle-type meter for stable tuning.
  • Quinta Flat Tuning mode lets you tune 1--5 semitones flat
  • Supports 7-string guitar tunings
  • Sound Out can produce a reference tone from the internal speaker
  • Auto Power Off function conserves battery life
  • Approximately 100 hours of continuous use
An Easy-to-Use Dedicated Guitar and Bass Tuner

This dedicated guitar/bass tuner lets you select either Guitar mode or Bass mode for truly easy operation with automatically detected pitch. The wide detection range supports 7-string guitar (7B through 1E) in Guitar mode, and 6-string bass (Low-B, Hi-C) in Bass mode. A high-sensitivity mic is built-in, allowing easy and accurate tuning of acoustic guitars.

Ultra-compact Body with a "Tilt Slit"

Although the GA-1 is small, thin, and light, don’t let its pocket-sized body fool you. The GA-1 can accurately tune any guitar or bass. From studio to stage, tuning is easy and convenient. The back of the unit includes a unique arc-shaped "tilt slit" that lets you insert a plastic card for use as a handy stand.

High-Precision LCD Meter

The meter section uses a LCD needle, combining the accuracy of an LCD with the easy visibility of a needle, and providing a stable display. Additional visual feedback is provided by LEDs that indicate pitch deviation.

Sound Out -- Internal Speaker Provides a Reference Pitch

In addition to visual tuning via meter, the GA-1 can play reference pitches from its internal speaker (Sound Out) for tuning by ear. Each press of the Sound switch will cycle the output sound through 7B->6E->5A->4D->3G->2B->1E in Guitar mode, or LB->4E->3A->2D->1G->HC in Bass mode.

Quinta Flat Tuning mode -- a world-wide first!

The GA-1’s Quinta Flat Tuning mode supports the lowered tunings used in heavy metal styles to give more weight to the sound. Until now, dedicated guitar tuners have supported a maximum of only four semitones below standard pitch, but the GA-1 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.

Auto Power Off Function

If you leave the unit powered-on for 20 minutes without performing any operation, the Auto Power Off function will turn the power off automatically, avoiding unnecessary battery consumption.

Approximately 100 hours of continuous use

Low-power consumption design allows an amazing 100 hours (approximate) of continuous battery life (A4 continuous input, Meter mode, zinc-carbon batteries).

Even if the pitch is within the detection range, detection may not be possible for instrumental sounds that contain a large number of overtones or have a rapid decay.

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Which is a better guitar tuner? Korg GA-1 or Korg GA-40
null on Feb 6, 2012
BEST ANSWER: It all depends on what you're looking for in a tuner. Both are great tuners.
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