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XAOC Devices

Odessa w/ Hel (Combo), USED

Available Immediately
Product number: CV5043

1975 Variable Spectrum Harmonic Cluster Oscillator

  • +12V 110mA (130mA w/ expander)
    -12V 80mA
    +5V 0mA
    Width 24HP (27HP w/ expander)
    Depth 32mm


1975 Variable Spectrum Harmonic Cluster Oscillator

Odessa implements the principle of additive synthesis controlled by a set of carefully tailored macro parameters to harness thousands of sinusoidal partials (up to 2560 harmonic partials) that altogether form the resulting sound. The interface is kept simple and accessible, so you can easily build rich and full, great sounding timbres of very complex spectra, that can be either harmonic or inharmonic. Even though inharmonic spectra yield non-periodic waveforms, all partials are frequency related to the common fundamental controlled by a V/oct input. The series of harmonics can be squeezed or spread apart, tilt, and pruned by a comb-like frequency response, resulting in a variety of unearthly sounds. Animating the comb response yields radical effects similar to flanging and phasing. Additional, often sought after features are implemented: through-zero linear frequency modulation, and unison detune: up to 5 copies of the sound can be spread apart for a fat and dense cluster of voices.

The hardware is based on a powerful FPGA chip offering massive parallel computing. The synthesized signal is devoid of aliasing through the entire audio range thanks to intrinsically band-limited algorithm. A simplified spectral analyzer helps you to keep a visual track of what is actually happening to the harmonics. For even more control over Odessa, you can use our Leibniz subsystem (or just the Lipsk) that can be connected to a header at the back of the module. Also, there's an polyphonic expander called Hel, which offers paraphonic generation of 3-voice and 5-voice chords in Odessa.

• Powerful additive synthesis engine with up to 2560 sinusoidal partials
• Harmonic or inharmonic spectra shaped by tilt and warped comb response
• 0.5Hz to 21kHz frequency range with resolution of 0.006Hz
• Through-zero linear FM input
• Up to 5 unison and detuneable voices
• Three signal outputs

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