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Dual Band Multi Effect by DCSI
Imperfektor by DCSI is Soundware (samples or presets that load into other products) for macOS and Windows.
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Imperfektor by DCSI is a free Dual Band Multieffect for N.I. Reaktor.

The idea behind it is the concept of unpredictable audio variations, freely inspired by those "analogue imperfections" which in certain cases old audio hardware machines were producing when their internal components were malfunctioning.

Its main use is to add random audio imperfections to music performance based mostly on long synth pads sounds, drones and similar sources, to let them act in an unpredictable, not time synced, neither repetitive way, making the sound more "alive and breathing". You can anyway try it out experimenting on anything else you want.

Its largely customizable as most of the effects come with "on/off" switches and choices can be made too about the amount of random variations given by the selected effect stage.

Being dual band Imperfektor gives the freedom to add effects and random interventions in a different way to each one of the 2 frequencies groups, or to one only, when muting the other.


  • Band split point selector.
  • Dual effects chains, each one affecting the selected bands and allowing variations on:
    • eq/filtering levels on mid/mid-high.
    • sound pressure on low/mid-low.
    • resonance.
    • frequencies shifting.
    • saturation.
    • bands pan.
    • clipping.
    • limiting.
    • pre and post amplification options.
    • dry/wet mix.

It's strongly recommended to read the pdf manual included in the download file before its use to get a proper view and understanding of its functions and signal flow.

Watch the {See video at top of page}

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DCSI 2015.

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Comments & Discussion for DCSI Imperfektor

Discussion: Active
21 June 2015 at 6:16am

Server not found : (.

21 June 2015 at 3:34pm

There's a mistake in the link, use this instead.


21 June 2015 at 6:30pm

There was a typo, sorry guys. Link should be fine now.

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