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Korg HA-40 Hawaiian Tuner

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The Korg HA40 Compact Chromatic Needle Style Tuner is a compact and dedicated tuner for Hawaiian instruments. The HA...  All product info

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KORG HA-40 Hawaiian Tuner

The Korg HA40 Compact Chromatic Needle Style Tuner is a compact and dedicated tuner for Hawaiian instruments. The HA-40 supports a variety of tunings for the ukulele and steel guitar. It features a highly visible display with easy to use functionality.

The Korg HA40 Compact Chromatic Needle Style Tuner has a detection range of C1 @bbbbb (24.500 Hz) to C8 (4186 Hz), and also allows you to tune sharp or flat relative to standard pitch. You can also adjust the pitch up or down in semitone steps and tune your instrument with a capo still attached.

The Korgh HA-40 supports a variety of tunings for Hawaiian instruments, two modes for ukulele and five for steel guitar. For the ukulele, the HA-40 provides LOW-G tuning suitable for solo performance as well as D tuning (American tuning) which raises the conventional C tuning by one step. A broad range of pitch detection is also supported allowing you to even tune steel guitars that have more than six strings.

The Korg PitchJack Plug-in Jack Tuner Main Features Include:

  • Dedicated tuner for Hawaiian music including ukulele and steel guitar.
  • A broad detection range is supported, covering the tuning of steel guitars with numerous strings.
  • Sharp/flat tuning allows you to tune even with a capo attached to your instrument.
  • Meter mode lets you tune according to the input pitch
  • Sound Out mode that lets you tune while listening to a reference tone.
  • An output jack allows the HA-40 to be connected directly to your amp.
  • The convenient stand on the back of the tuner allows it to be used in an upright position.
  • Auto Power-Off function preserves battery life.
  • Scale: 12-note equal temperament
  • Detection Accuracy: ±1 cent or better
  • Detection Range: C1@bbbbb (24.500Hz)– C8 (4186.01 Hz): for a sine wave
  • Reference Tone: UKULELE C (4G, 3C, 2E, 1A), UKULELE G (4D, 3G, 2B, 1E), STEEL-G Am7 (6G, 5C, 4E, 3A, 2C, 1E), STEEL-G C6 (6C, 5E, 4G, 3A, 2C, 1E), STEEL-G E7 (6B, 5D, 4E, 3G#, 2B, 1E), STEEL-G B11 (6B, 5D#, 4F#, 3A, 2C#, 1E), STEEL-G C13 (6A#, 5C, 4E, 3G, 2A, 1C)
  • Reference Tone Accuracy: ±1 cent or better
  • Tuning Mode: Meter mode (AUTO), Sound Out mode (MANUAL)
  • Connectors: INPUT jack (1/4” mono), OUTPUT jack (1/4” mono)
  • Power Supply: two AAA batteries (3V)
  • Dimensions: 100 (W) x 67 (D) x 17 (H) mm / 3.94” (W) x 2.64” (D) x 0.67” (H)
  • Weight: 88 g / 0.19 lbs.

Scope of Delivery:

  • User's Manual: Yes
  • Batteries Included: Yes


  • Manufacturer: Korg
  • Colour: White
  • Weight (kg): 0.09
  • Chromatic: No
  • Tuning accuracy +/- (cent): 1
  • Display: LCD
  • Clip on: No
  • Integrated Microphone: Yes
  • Integrated Metronome: No
  • Power Adapter Connection: No
  • Output Signal: Mono
  • Battery Type: AAA
Korg HA-40 Hawaiian Tuner  Product ImageKorg HA-40 Hawaiian Tuner

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