Korg OT-120

Current Stock:

Chromatic Orchestral Tuner with 8-octave Range, VU-style Meter, Multiple Temperaments, and Auto Mode

The OT-120 is a chromatic tuner intended for the orchestra, packaging high performance and sophisticated functionality in a vertical design that's easy to hold and operate. It features a dual-display, an easy-to-see needle-type indicator and a backlit LCD screen that shows the battery level, sound output level, calibration, key and note name. Additional design features include a large dial that makes it easy to select the desired mode, finger-friendly buttons and a rear-mounted stand that lets the unit stand by itself. A sophisticated silver aluminum panel contributes to its sleek, new look. 


  • Scales: 12 equal tempered, Pythagorean, Mean tone E flat/D sharp, Werckmeister III, Kirnberger III, Kellner, Vallotti, Young
  • Chromatic tuner with a wide 8-octave (A0 - C8) detection range that supports band and orchestra instruments - great for pianos or any other instrument that requires a large detection range
  • Dual display provides both a needle-type meter and an LCD for excellent visibility.
  • Sound Back (Patented: Patent pending) 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.
  • Multiple Temperaments support historical tunings.
  • Transpose mode is convenient for wind instruments.
  • Choose from three levels of needle response speed (slow, medium and fast).
  • Both auto and manual tuning modes are provided.
  • Built-in reference tone plays in a five octave range.
  • Broad range of calibration (349 Hz--499 Hz) based on a standard pitch of A=440
  • Built-in mic supports acoustic instruments.
  • Perfect
  • Multiple temperaments for classical and ethnic instruments
  • Wish you could tune your xylophone to Kirnberger III? Now you can plus 7 other temperaments.
  • Slow, Medium and Fast needle movement, ideal for tuning multiple instruments with different attacks.
  • 5-octave reference tone lets you play back pitches over a 5 octave range for tuning, or practicing pitch correction with vocals or wind instruments
  • Tuning accuracy within +/- 1 cent: Only extremely expensive strobe tuners are slightly more accurate than this!
  • VU style meter
  • Energy-saving design for long battery life (approximately 100 hours)
  • Durable soft case included