Korg Pitchblack Guitar Pedal Tuner (Discontinued)


91 out of 100. Incorporating 650+ ratings and reviews.

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Korg Pitchblack Guitar Pedal Tuner

The Pitchblack Pedal is designed for use with both guitar and bass and includes a 9V out for providing power to other pedals.

It also has true bypass so you don't need to worry about it eating up your tone when you're not tuning.

Some guitarists choose this over the Boss TU-3 because it's more compact and takes up less space on your pedalboard.

It's used by both electric and acoustic-electric players.


  • Tuning Accuracy: ±1 cent
  • Tuning Range: E0 (20.60 Hz) to C8 (4186 Hz)
  • Reference Pitch: A4 = 436 - 445 Hz (1 Hz steps)
  • Tuning Modes: Meter, Full Strobe, Half Strobe, Mirror
  • Display: Large bright LED meters
  • Bypass: True Bypass
  • Power Supply: 9V battery or optional 9V AC adaptor - can also supply power to other pedals
  • Battery Life: Approximately 5 hours (A4 continuous input, tuner on, display mode: Meter, using a 9 volt battery)
  • Dimensions: 2.68” (68 mm) x 4.72” (120 mm) x 1.85” (47 mm) - including feet
  • Weight: 0.64 lbs (292 g) - including battery

The large note display and brightness of the LEDs have been well received and specifically mentioned in customer reviews by people whose eye sight isn't quite what it used to be. Many people also say this is one of the most responsive tuners they've owned. Its build quality and accuracy are also frequently commended in user reviews and forum comments.

The 5 hour battery life did come in for some criticism - you have to unplug your guitar cable from the pedal to ensure it stops draining the battery. Of course, this isn't an issue if you're using a power adapter.

Several users have reported that it makes an audible 'pop' when you step on the pedal which can be particularly troublesome if you're going through a DI and straight to the PA as many bass players and acoustic-electric guitarists do. This is a well-known problem that afflicts many true bypass pedals, sometimes it's due to the way they're designed whilst at other times it can be caused by a weak battery or faulty parts. If you'd like to know how to fix it read this and if your more technically inclined read this. If you want to avoid the problem altogether then get one of the tuner pedals above instead.

When compared to the Boss TU-3 the Korg Pitchblack Pedal is a little cheaper and is also appreciated by musicians who sometimes have trouble seeing readings under some stage and outdoor lighting conditions.

We were recommending the Korg Pitchblack until we performed a thorough review of the category in April 2018 at which time we found there were higher rated options available which you can see in our guide to The Best Pedal Tuners.