Korg CA-2 Chromatic Multi-Instrument Tuner

The Korg CA- 2 Guitar/Instrument Chromatic Tuner offers quick and precise tuning, in a stylish, compact, hand-held unit.

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Product Description


Korg CA-2 Chromatic Multi-Instrument Tuner

Large Visibility Screen

String players will love the large display screen that features a needle-style meter, with perfect pitch accuracy. This screen provides note and string name, along with red and green LEDs for pitch indication.

Compact Body

The CA-2 features a compact body profile, that can fit inside any instrument case. This credit-card sized unit is perfectly rounded, accommodating any hand shape and offering comfortable usability. A new mechanism allows the battery compartment to be easily removed for quick and easy replacement. The battery cover simply slides over the entire body, eliminating the risk misplace.

Pure Major Third & Minor Third Markings

Inaccuracies of the harmonies in a triad are particularly easy to notice when played by a brass band or orchestra, and by adjusting the pitch of a major or minor third relative to the equal-tempered interval, an excellent third can be reached. From precise intonation, the meter scale of the CA-2 includes markings to indicate pure major and minor thirds relative to a specified pitch. By tuning the instrument to these markings, players can achieve beautiful, pure harmonies when playing in group applications. If that's not enough the CA-2 also offers an adjustable calibration function of 410 to 480 Hz which can be adjusted in 1 Hz steps for accurate and flexible tuning to any song or key.

Battery Life

As well as offering quick and precise tuning, the CA-2 tuner also features a high-efficiency long-life design, offering up to 100 hours of continuous operation when used with two AAA zinc-carbon batteries, or approximately 200 hours on alkaline batteries.


  • Scale: 12 note equal temperament
  • Detection Range: A0 (27.50Hz) - C8 (4186.01Hz): Sine wave
  • Reference Tone: C4 (261.63Hz) - C5 (523.25Hz): One octave
  • Tuning Modes: Meter mode, Sound Out mode
  • Calibration Range: A4 = 410Hz - 480Hz (1Hz 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

Additional Information

Additional Information

Condition new

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