Korg G3

Korg G3

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Korg G3 tech. sheet

  • Manufacturer: Korg
  • Model: G3
  • Category: Multi-Effects for Electric Guitar
  • Added in our database on: 04/25/2004

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Korg G3 user reviews

Average Score:4.2( 4.2/5 based on 9 reviews )
 3 reviews33 %
 5 reviews56 %
 1 user review11 %
Value For Money :

SlapKid's review"Why drive yourself up the wall?"

Korg G3
I just got it (no, it wasn't launched during the 2014 NAMM!) and it works great.
Clean, crunch and lead presets, plus some banks, easy and readable.
Not too much latency when switching presets, not worse than my Fender mustang 3 anyway.
Great connection options, with the direct tuner output and the two jacks for left and right. Standard 9V power supply, but consider 300mA of current for it to work properly.


It's great, the input level can be adjusted without affecting the preset, so you program it once and that's it, even if you have 50 guitars. The same applies to the output level and the noise gate.

It doesn't have too many controls, a simple Contour instead of an EQ, delay or reverb but not both at the same time. One parameter for the compressor. Only one type of crunch and one type of distortion, but they are good, compared to the 876 settings and useless models of any modern unit that can drive you insane.

It's very user-friendly, and as long as you connect it to...


...a Vox ac15, it sounds awesome! But connected to something else it's not so great, it lacks something. It needs a distinct amp, full of life, very detailed in the mids.

Obviously, the contour poses a problem to balance the full-blown distortion sound in relation to the clean, but once you admit that the lead corresponds to the dark and hairy category, it's okay.
A guitar with an aggressive and lean bridge pickup, think sh4, will naturally balance the combination.

The clean is sumptuous, the compressor very good and natural, and the reverb dense and lively, it's addictive with the ac15.
The crunch is well-balanced, quite grungy but not too much, it's actually very well adapted to what you expect in this category and it's not too far from being ideal.
The full-blown distortion is great, it doesn't sound digital and it makes me wonder whether it's a hybrid circuit (like the g1 or ax300g, which I also have).
The delay is a slapback, short and medium, adjustable in terms of intensity (something Roland has certainly not understood with its Cubes). Up to 450ms max.

The chorus is stereo, but I don't use this type of effects.


I repeat, you need an amp like the vox ac15 to truly appreciate this g1 to its full extent.
I like its density very much and the fact that it never sounds sharp. Its clean sounds are addictive.
The ac15 becomes smooth and rich with it, while remaining well-defined.

A bass control in addition to the contour would've been great, but it's so nice as is that I don't even care about that!

stratouilleur's review"Simplicity - Quickness - Effectiveness"

Korg G3
There's not much to add to what's been said already.
It's rustic and retro...


The main strength of this unit: Simplicity - Quickness - Effectiveness
It's made for people who want to play and not spend hours fiddling with controls. It takes only 5 minutes to understand it and start playing.


The quality is very good, at least with a good guitar and a tube amp. It has never altered sound, regardless of the tube amp I use, which is very important, in my opinion.
A bit of reverb, a bit of crunch ... and it rocks.
A trick that makes all the difference is to plug a TS or T0800 to it so you don't need to lug around tons of gear. Its perfect for blues or rock and you can always find THE sound.
Although I don't know how it performs with a solid-state amp.


I've had mine for a couple of years and I bought it because a guitarist friend of mine, with whom I regularly play, has used one for many years (despite the huge arsenal of pedals he has).
Not only would I buy it again, but as time goes by I often ask myself whether I should buy one or two more...for the future.


Korg G3
Analog gear is cool. I've had really complex pedalboards and even some that change your sound as soon as you plug in your guitar. In this case, the sound of your guitar and amp are preserved, as if you had connected a simple pedal.


It's really very easy to use, no need for a manual.


The clean sound is nice, the crunch isn't bad and the lead, to me, is the best. I've tested all sorts of multi-effects and pedals and I must admit that this one really kicks ass. It all depends on what you're looking for, I wanted an urban dance squad sound, big rock 'n' roll but not metal. It sounds fat, with a lot of bass and a formidable sustain.


I've had it for a couple of days and I'm thrilled with it, even though I used to be allergic to multi-effects. Some time ago I bought a brand-new korg tone work and I could never find the sound of my guitars with it. What I like best is that it's analog, like the good old Japanese pedals. What I like least is the lack of controls for the delay and reverb, but you can still have a lot of fun with it. I bought it for 20 euros, so, to me, its value for money is pretty good.
MGR/Felipe Devicaro12/23/2003

MGR/Felipe Devicaro's review"Korg G3 - Guitar Performance Processor"

Korg G3
Tired of my low-priced Zoom 505 I bought the G3 from a friend. He'd been using it for like 3 or 4 years, since he bought it from a new-catholic boy who got off of the music, right to the church. And the thing was working just perfectly! Paid like $100, in US dollars (I live in Brazil, so we pay much more for things like that).

It's just a good effects processor, with it's Compressor, Distortion, Overdrive, EQ, Flanger, Chorus, Delay, Reverb, Noise Reductor, volume knobs for input and output, volume level knobs and 3 banks with 3 effects each. It works like: Each bank holds a clean effect, a crunch and a lead effect! Its that simple!
Worked so well with my Squier, didn't stole it almost-Fender sound, like the Zoom 505 did!

That's the tough part... I don't really love it, 'cause the EQ controller is just a knob! So the sort of trebles, middles and basses are very limited. Gotta take it with the amp!
The distortion is not very clean, even if u want it clean, or warm, you know... The noise gate helps it, but just a little. If you turn it high-leveled, you just loose the sustain! The reverb and delay are just one knob! So you can turn it to the 1st level (short delay), 2nd (middle delay), 3rd (long delay) and 4th (reverb). So the dealy is pre-programed, u just choose the one u like and control its volume, not the rate!

Its just an old fashioned black and white piece, with rough ends and 4 ugly pedal switches. Some colored leds to show some effects especifications, a peak-led and bank comparation (too much to explain in here) But it's been working for almost 10 years, with perfection, until now!

It's a good Multi-Effects product! But I had never heard of it or found something about it on the internet.
Liked it very much, but for now I'm selling it, in search of any better single-effects pedals...

This review was originally published on http://www.musicgearreview.com

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