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 Kx-Modulad by KX77FREE is a Virtual Instrument Audio Plugin. It functions as a VST Plugin and a VST 3 Plugin.
Product Kx-Modulad
Developer KX77FREE
Price (MSRP)
Type / Tags Synth (Modular)Synth (Additive)Synth (Analogue / Subtractive)
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
  Download Released
System Requirements
32-bit version: 3.2 (VST 2.3): XP sp3
64-bit version: 4.09 (VST2-VST3 3.6.8): Seven x64 with Visual C ++ Redist Package 2015
Supported Sample Formats (loads or saves) include
SF2 (SoundFont)
Miscellaneous Information
Copy ProtectionNone
Important Note
KxWaveTracer feature available only in x86. Done with SE, KX77FREE SEM coded in c++. 32-bit version: 3.2 - Kx-Modulad-User-install.zip 64-bit version: 4.09 - x64-KX-MODULAD.zip

Kx-Modulad is a virtual analog modular synthesizer with a stereo SF2 player and an additive synthesis WaveTracer to build high quality waveforms.

WaveTracer features:

  • Full parameters controls to make Additive Waveforms with no aliasing.
  • Full 32-bit High Quality Waveforms.
  • Easy to use and to create analogue waveforms.
  • Same quality for all clock frequencies: 44.1 kHz to 192 kHz.
  • Independent WaveTracer engine: KxWaveTracer.exe.

Modular Synthesizer:

  • Stereo routing.
  • All modulations are pre-connected, no cables on the GUI.
  • Skin with variable background color.
  • 3 Polyphonic EGs with for each segment: curves, velocity and Kbd controls.
  • 1 Monophonic EG with for each segment: curves, velocity and Kbd controls.
  • Multiple trigger sources and sync for the EGs and the LFOs.
  • 2 Oscillators with 2 waveforms and 2 outputs with Phase modulation and Sync.
  • 2 independent Sub Oscillators.
  • 1 Stereo SF2 player.
  • 2 Monophonic LFOs with 2 Rates and ASR EG.
  • 2 Multimode VCFs.
  • Mixer with 6 sources: Noise, VCO1 1-2, VCO 2 1-2, Ring, VCO1 Width, VCO2 Width and 3 outputs: VCF1, VCF2, VCA.
  • Each mixer voice can be modulated by different sources.
  • Noise Generator with an EQ.
  • Sample&Hold.
  • Ring Modulator.
  • 6 host sync clocks.
  • 2 MIDI inputs.
  • 1 Distortion.
  • 2 Delays with sync, multimode filter and modulation oscillator with sync.
  • 1 Scope with 100 ms of buffer size.
  • Full MIDI learn.
  • Full NRPN implementation.
  • 128 nice KX presets.


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Discussion: Active


27 April 2017 at 2:32am

with Kx-Modulad 3.1 (03.2016), do we need to re-added the [WAVEFORMS:"Mod-Add-Waveforms"] from the predecessor P6-KX-MODULAD-V2 ?

because some file are missing in 3.1 .

C:\Program Files (x86)\VstPlugins\Kx77free\Kx-Modulad V2\KX-MODULAD-V2\KXDATAS\Kx-Modulad-Datas\osc-med : 40elements.

C:\Program Files (x86)\VstPlugins\Kx77free\Kx-Modulad V3.1\KX-MODULAD-V3\KXDATAS\Kx-Modulad-Datas\osc-med : 33elements !.

27 April 2017 at 12:53pm

I think that it is a very interesting feature to keep. To fix if a fix is needed of course (missing files, etc.), but to keep, yes.

31 October 2017 at 9:53pm

Can anyone tell me how to load/save banks for this wonderful synth, I can load the presets individually, but can't find any way to handle banks.

I'm using 64-bit VST2 version with Ableton.

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