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 unstable by de la Mancha is a Virtual Effect Audio Plugin for Windows. It functions as a VST Plugin.
Product unstable
Developer de la Mancha
Price (MSRP) Free
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
 1.0  Downloads Released
Miscellaneous Information
Copy ProtectionNone

unstable likes to mess around with your audio pitch, with 3 subtle pitch modulation modes to simulate the unpredictable but lovable pitch instability of an old tape machine or analogue equipment. It doesn't only do subtle though, you can also put it in 'insane' mode if you'd rather just FSU.


  • 3 modes of continuously random pitch modulation:
    1. Buzz – rapid, fuzzy modulation.
    2. Wobble – medium, jerky modulation.
    3. Drift – slow, gentle modulation.
  • Adjustable frequency and level for each modulation mode.
  • Master level mode to adjust overall subtlety of effect.
  • Wet / dry mix level control.
  • Insane mode – removes all subtlety and smacks your pitch up.
  • All controls mapped to MIDI CC values.
Made with SynthEdit
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