Electro-Harmonix Bass Micro Synthesizer (Original)
Electro-Harmonix Bass Micro Synthesizer (Original)

Bass Micro Synthesizer (Original), Other Bass Effect from Electro-Harmonix in the Micro Synthesizer series.

iamqman 07/06/2011

Electro-Harmonix Bass Micro Synthesizer (Original) : iamqman's user review

« Its ok »

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This is a company that has been an industry standard when it comes to high quality guitar and bass effects pedals. This company I believe started in the 70's with several high quality distortion and effects pedals that were used world wide by many touring and amateur musicians.

The bass synthesizer has been an extremely used effects pedal for many bass players. It has in my opinion a very sublte tone to it. Not a dominant effects modulation but rather an accompaniment type tone. I had used this pedal with my rig for a while but found that I really didn't prefer the overall tone that was inherent in this pedal.


Quick Specs:

True bypass
All analog design
Design optimized for bass guitar
2-pole analog resonant filter
4 Voice mixer section mixes: sub octave, original, octave up and square wave
Square wave voice can be used as a distortion tone
Start, stop filter frequency sliders with adjustable rate for full control over the filter's sweep direction and speed
Adjustable filter resonance control
Adjustable attack time control for fading-in notes
Tough and compact die-cast chassis
96DC-200BI power supply included


I had used this pedal with a Rickenback bass and a SWR bass amp. I never really could dial in a tone that I liked. The control were a bit confusing to me because at the time I was not all that familiar with synth pedals and how they operated. I was more used to delay and distortion boxes.

For me there are way to many control knobs that need to be tweaked in order to get a decent modulation. That is a bit of a deterrent for me as I like things to be easily laid out and simple. Most of the Electro Harmonics pedals are very easy to use and pretty self explanatory. I ended up getting rid or it fairly quickly.


If you are a bass player you could very well like this pedal. For me it was a bit bulky in size and not very user friendly. This particular model has been discontinued and now replaced with a newer modern one. Which is fairly more cosmetic than internally changed.

I think you can find these pedals on the use market pretty easily. I would recommend you try this pedal first if you have that option. You may or may not like how the pedal functions and sounds.