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mda SubSynth

mda SubSynth is a “sub-bass synthesizer” effect, which provides four distinct bass-enhancing effects according to the Mode parameter, as follows:

  • Distort: Takes the existing low frequencies, clips them to produce harmonics at a constant level, then filters out the higher harmonics. Has a similar effect to compressing the low frequencies.
  • Divide: As above, but works at an octave below the input frequency, like an octave-divider guitar pedal.
  • Invert: Flips the phase of the low frequency signal once per cycle to add a smooth sub-octave. A simplified version of the classic Sub-Harmonic Synthesizer.
  • Key Osc: Adds a decaying “boom” - usually made with an oscillator before a noise gate keyed with the kick drum signal.

Caution: Be aware that you may be adding low frequency content outside the range of your monitor speakers. To avoid clipping, follow with a limiter plug-in. This can also give some giant hip-hop drum sounds!


Type Distort / Divide / Invert / Key Osc. (see above)
Level Amount of synthesized low frequency signal to be added
Tune Maximum frequency - keep as low as possible to reduce distortion
In Key Osc mode sets the oscillator frequency
Dry Mix Reduces the level of the original signal
Thresh Increase to “gate” the low frequency effect and stop unwanted background rumbling
Release Decay time in Key Osc mode
mda_subsynth.txt · Last modified: 2022/07/26 17:26 by shane