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Korg pitchblack Portable
Polyphonic Tuner in Silver


The pitchblack Portable is a guitar/bass polyphonic tuner that provides speedy and accurate tuning.
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Korg pitchblack Portable
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The pitchblack Portable is a guitar/bass polyphonic tuner that provides speedy and accurate tuning. The pitchblack Portable features a high-brightness LED display which provides excellent visibility, so that the pitch drift of each string is instantly and clearly visible. Korg's proprietary cable checker function is also built-in, letting you easily check for broken cables; making this unit the ideal choice for stage or studio use. With an accuracy of +/-0.1 cents, the pitchblack Portable delivers a significant advance in guitar/bass tuning.


  • Large, high-brightness LED display providing excellent visibility
  • Rapid and precise polyphonic tuning, with the tuning of all stringsvisible at a glance
  • String Seeker function
  • Three meter display modes: regular, strobe, and half-strobe
  • Ultra-high precision tuning of +/-0.1 cents (when using strobe meter)
  • Ideal for “floating tremolo systems”
  • Korg's proprietary automatic guitar/bass (4-6 string) detection
  • Flat (5 Semitones), Capo (7 Semitones), and Drop-D tunings are alsosupported
  • Cable Checker warns of broken or shorted cables
  • Buffered output minimizes any change in audio quality
  • Mute function lets you tune silently
  • Cascade-connectable DC out
  • Slim horizontal body fits anywhere


  • Tuning:  12 note equal temperament
  • Detection range:  E0 (20.60 Hz) ~ C8 (4186 Hz), sine wave
  • Calibration range:  A4 = 436-445 Hz (1 Hz steps)
  • Detection accuracy:  +/- 1 cent
  • Tuning Mode:
    -  Mono / Chromatic
    -  Polyphonic / Guitar –Bass (Auto detection)
  • Display Mode:  Regular / Strobe / Half Strobe *0.1 cent indicationwhen using strobe
  • Flat / Capo:
    -  Flat (b): Can tune down; up to five steps(Chromatic Scale)
    -  Capo(#): Can transpose up; up to seven steps(Chromatic Scale)
  • Input impedance:  1 M Ohms (when tuner is on)
  • Current consumption:  Maximum 130mA
  • Output current:  Maximum 200mA
  • Connectors:
    -  Input /Check (mono 1/4" jack)
    -  Output(mono 1/4" jack)
    -  Cable Check (mono 1/4" jack)
    -  DC IN(9V)
    -  DC OUT (9V)
  • Power supply:
    -  AA Alkaline batteries (LR6) x 2
    - Optional AC adapter (9V)-ready
  • Battery life (Tuner on, Polyphonic tuning mode):  Approximately 15hours of continuous use with the tuner on (LR6, using Polyphonic inputcontinuously, Regular meter)
  • Dimensions (W x D x H):  6.34 x 2.36 x 1.30 inches (161 × 60 × 33 mm)[including rubber feet]
  • Weight:  9.45 Oz (268 g) [including battery]
  • Accessories:  AA Alkaline batteries x 2 for verifying functionality
  • Options:  AC adapter (9V)

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