Korg GA Custom BK

Tuner

  • 3D Display
  • Accuracy: +/- 0.1 cent
  • 436 / 445 Hz
  • Vocal range: A0 (27.50 Hz) - C8 (4186 Hz)
  • 3 Display modes
  • Operates with 2x AAA batteries
  • Power consumption: 40 mA
  • Dimensions: 99 x 65 x 16 mm
  • Weight: 83 g
  • Colour: Black

Further Information

Chromatic Yes
Display LED
Integrated Microphone Yes
Integrated Metronome No
PSU Connector No
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61 Customer Ratings
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4.7 /5
  • handling
  • features
  • quality
Total
features
quality
handling
Stylish but lacking features
Trapped under rice, 17.10.2020
Why buy this over a regular Korg tuner in the same form factor (a CA-50 or TM-60) that costs half as much?

The first reason I did was precision and speed. I had a clip-on tuner for guitar but wanted something more precise and faster, so that I could properly intonate the guitar. This tuner was advertised as very precise, although I have no way to check whether that is true. In any case, I've never had problems (make sure to be plugged in for fine adjustments).

The second reason is the legibility. The holographic display is indeed A LOT more legible than regular LCD displays which are known to require lots of light and a good viewing angle. This works in the dark and at practically any angle.

The third reason is style. That's about the best a tuner could ever look, really, and I was curious enough to see the display for myself that it justified at least part of the price increase.

Unfortunately, this comes at a cost:
- Regular Korg tuners have a little folding support on the back (which, admittedly, breaks easily). You can use a pick for the same purpose, but it doesn't work very well. That being said with the new display I found there was no need to set it at an angle
- Regular Korg tuners have a metronome included, and this doesn't. Sure, I have a phone, but still.
- This eats batteries twice as fast as a regular tuner
- As mentioned, it is 40 euros instead of the 20 a regular tuner costs

Changing settings is not particularly great, the buttons do their job but there's nothing remarkable about their ease of use. Fortunately the default settings will be fine for most users. I do wish the note display also included which octave the note belongs to (e.g. "E2" instead of just "E")

The quality and finish is not bad but not great either. It has a kind of "peach skin" rubberized coating which I don't particularly like, and I broke the door for the battery compartment after a few years of use (and, although I tried, you can't get spares).

In conclusion, worth the money? If you have a bad tuner, or no tuner at all, and you need something better, and you don't want to spend too much but also like the display, then perhaps. Otherwise either buy a regular tuner, or a tuner pedal if you're serious enough.
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Total
features
quality
handling
Easy to use out the box
Jastone, 02.03.2021
It’s very easy to use, the screen is really bright and seems accurate.
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Total
features
quality
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Great grab and go tunner that can also works well in a pedalboard
RodRed, 19.05.2020
as usual for Korg tunners it is very accurate and with rapid response. The brigth and large display makes it very easy to read and to tune even from a distance. The battery consumption is very small. The construction is solid but it is very plastic and do not feel very premium unlike some other products from Korg (i.e. Korg Pitchblack portable which i own), but this makes it lighter nad way more portable you can even put it in your pocket. The other drawback is it cannot be powered by external power supply, it looks good in the pedalboard but you have to relly in the batteries and have some spare just in case.
To summarise.
Pros:
- Large and bright display
- Very accurate
- Very light and portable
- Low battery consumption
- Has a microphone option for tunning (which the Pitchblack portable does not have)
Cons:
- Feels a bit plastic (but contributes to the lightness)
- Cannot be powered by external supply
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Total
features
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Awesome
D M , 24.04.2020
My go to / travel / setup tuner.
Pros:
Easy to use, very accurate with large display easy to read even if placed on the pedal board with beautiful bright illumination.
Very low usage of battery.
Used it for more than a year no issues so far.
Capturing nice unplugged guitar

Cons: Cannot be powered by external power supply.

***2 years of use update***
Still working like a new !
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$39
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