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RS-360 Vocal\Phase Filter Bank

Analogue Systems

  • $ 44900


IMPORTANT: Analogue Systems modules have their own power cable that may or may not be compatible with your eurorack case.  Click this link for an installation guide.

Three Summed Voltage Controlled Resonant Multimode Filters

  • 18 hp
  • 2.8 inches Depth
  • 200 mA +/-12V

Just as the precise positions and shapes of the formants in a human voice allow you to identify the speaker as well as the vowel sound spoken, formants make the timbres of acoustic instruments consistent and recognizable from one instrument to the next. It therefore follows that recreating formants is a big step forward for synthesizing many types of sounds.

Normally, formant synthesis requires at least three formant filters per sound with appropriate CVs for each. The RS360 provides all of this in a single 24 HP module. However, the RS360 is more than just a formant filter. All three filters produce the four common filter characteristics: low-pass, high-pass, notch and band-pass, with summed outputs that offer the low-pass outputs of all three filters, the high-pass outputs of all three, and so on.

You can also use the RS360 as an effects unit. If you route different outputs (say, band-pass and notch) to two panned channels, you can produce stereo effects reminiscent of the flangers and phasers used in early multi-keyboards. Furthermore, you can use the self-oscillating filters as multiple audio signal sources, or create unusual waveforms from the three partials.


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