[review] Simble Overdrive (by rlm)

rlm is a Supersonic tone addict and plays in a melodic death metal band.


The Simble is made by Lassi Ukkonen, a Finnish guitar and amp tech. After having his way with a dumble amp for a while, he finally found the solution to get that sweet, praised, overdriven sound of the Dumble amps in a small stompbox. The result is the Simble overdrive. The pedal is built and distributed by Mad Professor, the well known Finnish effect and amp brand.Simble Overdrive

The Look

The pedal has a wooden thing going on, although it's just a print on a metal chassis. To be honest, it's not really my cup of tea, but there's no accounting for taste...

When active, a white LED is lit and it runs on 9V batteries or 9V/12V adapter. There is, however, no change in tone when using a 12V instead of 9V adapter.

The Sound

Now, what really matters is the sounds you can get out of this pedal.

There are four controls to shape your sound: level, which is the output level, sensitivity controls the amount of distortion and compression, accent controls how much you hear the pick attack on the pedal input and brightness and contour controls the brightness of the output. The Simble is a dynamic pedal and reacts to your playing style and pick attack.

I tried this little box of goodness with 2 humbucker equipped guitars and a single coil strat. The difference between every guitar is clearly noticeable.  It is, however, very clear, this pedal makes your guitar sing! Simble Overdrive

The Simble's range goes from a transparent overdrive to a treble boost, jazz, blues and rock. It is very versatile, although in my opinion, it's best used to create the creamy, warm, Claptonesque lead sounds.  When all controls are cranked, you create a 90's grunge tone, which is always nice to mess around with.


Overall, I can honestly say that I'm in love with the sound of this pedal, whether it's blues, jazz or rock, it manages to just get that specific tone I'm looking for. It's been on my pedalboard for a while and I don't think it will come off anytime near in the future.

Subscribe to our newsletter

Also check out Effects Database's social media accounts: