Boss AC-3 Acoustic Simulator
Boss AC-3 Acoustic Simulator

AC-3 Acoustic Simulator, Other Guitar Effect from Boss.

MikePetrucci 05/08/2011

Boss AC-3 Acoustic Simulator : MikePetrucci's user review

«  Very good »

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Numerical simulation of acoustic sound.

Connectors classic plus a Line Out if you want to get out the acoustic sound directly through the console.


Very simple, but plan a little time to find a sound that suits you because the 4 pots (5 in all, the penny is the level of output) have a definite influence on the sound.

It might take a while to find the right combination:
1) Reverb
2) Body (which simulates a large body more or less)
3) Top (gives brilliance, treble)
4) selection of the type (piezo, jumbo, dreadnought or Enhance)


Very good sound quality, a caveat: it blows a little in spite of a diet with the Fuel Tank Chameleon. A noise gate can be nice.

I have not tried yet coupled with a compressor, and I also think it can do as well: my mutli converters downstream effect tends to saturate when the pedal is ON.

(Use humbuckers should be avoided, the report is not top)


A very good pedal that does its job. Do not expect to have a real acoustic sound, but they're very close, even in the MesaBoogie.

The negative points are the slight wind that happens when you increase the TOP and the fact that the sound that comes out has a gain range of really important, which tends to saturate the multi-purpose converters.

Really trying!