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Introducing the OT-120 and GT-120, two new tuners that combine the accuracy of needle-type meters with superior functionality and a new, sleek vertical design.

OT-120 ORCHESTRAL TUNER
Tune wind and string instruments in a flash with the new OT-120, a needle-type meter with a wide range and versatile functionality.

Main features

  • Chromatic tuner with a wide detection range that supports the instruments used in an orchestra or brass band.
  • Dual display provides both a needle-type meter and an LCD for excellent visibility.
  • Korg's proprietary Sound Back mode
  • plays a reference pitch for the note that's closest to the input pitch. The meter indicates the discrepancy between the input and the correct pitch. (When using the separately sold CM-100.)
  • Multi Temperament supports historical tuning systems.
  • Transpose mode is convenient for wind instruments.
  • Choose from three levels of needle response speed.
  • Both auto and manual tuning modes are provided.
  • Reference tone generation in a five octave range.
  • Broad range of calibration adjustment (349 Hz--499 Hz).
  • Built-in mic supports acoustic instruments.
  • Energy-saving design for long battery life (approximately 100 hours or greater).
  • Suede-tone soft case included.


OT-120 Options:
AC adapter
CM-100 Contact Microphone

*Specifications and features are subject to change without notice.

GT-120 GUITAR & BASS TUNER

Introducing the GT-120, a guitar/bass needle-type tuner in a new, easy-to-use design.

Main features

  • 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 LCD screen.
  • Choose from two tuning modes: Auto or Manual.
  • Reference tone function.
  • Flat Tuning mode.
  • Five types of open tuning (D, E, G, A, DADGAD).
  • Adjustable calibration.
  • Built-in mic for tuning acoustic guitars.
  • Long battery life of more than 100 hours, plus a battery status indicator.
  • Suede-type soft case is included.
  • GT-120 Options
    AC adapter
    CM-100 Contact Microphone

    *Specifications and features are subject to change without notice.

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