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UGO Audio - M-theory



M-theory is a hybrid synth that is built around the Karplus-Strong physical modelling technique and uses samples, VA oscillators, and noise to drive the delay based oscillator, resulting in a very wide range of high quality synthetic and synth/acoustic hybrid modelled sounds. Dualism is a plugin version of the dual phrase arpeggiators and 2X MIDI utilities found within M-theory, providing you with the ability to create complex arpeggios for any synth you wish.

The heart of M-theory is its multi part oscillator system, which allows the user to combine the output two exciters to drive a Karplus-Strong style delay based oscillator. The exciters can be either samples (24 built in, or user loaded), VA oscillators, or noise and each imparts some of its tone to the delay oscillator. Of special note is that even though M-theory can make use of samples it is definitely not a "rompler" since the actual sound of the sample is not retained; only certain characteristics of the tone are passed on to the overall sound. This method makes programming faster and easier while still providing physical modeling flexibility, and allows M-theory to have it's own unique voice rather than that of the sample.

In addition to is flexible multi-part oscillator system, M-theory also provides extensive filtering options (including the option of mixing low, band, high and all pass filters at the same time), dual programmable phrase arpeggiators, six built in effects, and much more. M-theory comes with 320 presets which range from sounds inspired by natural instruments all the way to other-worldly pads and ambiences.


  • Karplus-Strong style synthesis engine.
  • Dual exciters, each with the option of samples, VA or noise sources.
  • Independent low, band, high, and all pass filters.
  • Dual programmable arpeggiators and an extra MIDI note doubler.
  • Built in tremolo, metal effect, chorus, delay, distortion, and reverb.
  • 320 presets.
UGO Audio - M-theory


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