By  Tone2 Audio

Saurus 3 is a more versatile and powerful software synthesizer and offers a larger sonic range. Available for Windows and MacOS 64-bit VSTi, 64-bit Audio Unit (AU).

The registration code will be sent to you via email together with a unique certificate (PDF) within a maximum of 12 hours from the purchase.


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True analog sound with state-of-the-art features!

The update to v3.0 is a major update, that is available for free for all Saurus users. It includes a big GUI, a massive number of new sounds, new features, higher sound quality, better performance, and many enhancements.

Saurus3 is downward-compatible with all previous versions. All existing song projects and patches can be loaded without any further steps necessary.

Saurus 3 can do an extremely authentic emulation of analog synthesizers. It covers all important aspects of the most famous and expensive analog synths, but without their disadvantages.

Tone2 Saurus 2 VST Synth Plugin
Saurus 3 Presets

Saurus 3 comes with a clear, easy-to-use interface. It offers a larger sonic range and a more flexible synthesis engine than conventional subtractive synths. Saurus 3 offers quality high-end sound, but without placing heavy demands on your CPU or budget.

At the heart of Saurus 3 are its top-notch oscillators employing our True Analog Modeling Technology ™, which produces a warm characteristic sound of the hardware units from the past.

With PWM, Sync, AM & FM an extremely broad range of sounds can be dialed in. Saurus 3 offers a selection of both standard and exotic oscillator types from hard-to-get analog synths. Finally, true analog sound no longer requires any compromises!


True analog sound requires an excellent filter that’s capable of sounding both lush or screaming when overdriven. However, analog filters are far from perfect. They suffer from distortion, noise, phase shift, and self-oscillation. Exactly these imperfections add this magic character, which is missing in digital filters.

That’s why Saurus 3 comes with a filter section that models the most famous analog filters. With precisely modeled non-linearity and self-oscillation, they sound and behave exactly like analog circuits. To top it all off the filter section also includes FM, feedback, and an analog-modeled distortion for that little extra grit.

Arpeggiator & Gate

We created an arpeggiator that doesn’t just offer the basic note step functionality. It takes the concept further by adding features such as custom patterns, chords, swing, and per-step velocity. Your arpeggio sequence can be as simple or complicated as you wish.

Modulation & Effects

By using drag & drop or the matrix, Saurus 3 allows you to connect dozens of modulation sources to sound parameters. Modulate almost any parameter up into the audio-rate speed. We’ve also included midi-learn, so assigning CC’s is as simple as a right-click.
To compliment its sound, Saurus 3 features various classic effects such as 4x unison, chorus, delay, reverb, and tube amp. All effects offer the highest quality possible.


Saurus 3 offers 7 different microtuning-modes that can model analog oscillator-drift. Furthermore, the engine can slightly detune certain voices to make your chords sound fatter, harmonically rich, and warm. Unlike conventional synths, our innovative microtuning is not limited to the usage of a certain tonality. Saurus 3 is able to analyze your melodies in real-time and enhances your chords automatically. It ‘just works’ – you do not need to take care of anything.

New Features:

  • A big interface is available beside of the normal scale now.
  • Added 192 new sounds from a professional designer. The total number of included sounds has increased to 1022.
  • It is possible to select from 4 GUI sizes in ‘Config’.
  • The synth can create an unlimited number of new sounds with FILE->’Create random patch’.
  • ‘Soft clip’ is available in the ‘Config’ section.
  • A scrollbar is visible in the patch-browser if many soundsets are installed.
  • Added detailed tooltips that are shown when the mouse if hovered over a button or list-selector.
  • The texts shown in the patch-browser on Mac support hi-dpi drawing.
  • The plugin detects the best GUI-size automatically.
  • Patch-selector shows a checkmark for the current patch and category.
  • Added Digital-Signatures for the installers on PC.
  • Added Notarisation for the installers on Mac.
  • The texts shown in the patch-browser on Mac support hi-dpi drawing.
  • A double-klick on a knob resets it to the default-value.
  • New microtuning algorithm that is more subtle and can enhance also complex chords.


  • The synth has more ‘bottom’ and sounds warmer.
  • Enhanced sound of Reverb.
  • Replaced Chorus with a better one.
  • Reworked all factory patches.
  • More precise timing.
  • More smooth sound of noise.
  • Higher sound-quality in 44 khz, 48 khz and 88 khz sample-rate.
  • Reworked many graphics.
  • Many small enhancements.
  • Fonts are easier to read.
  • Fine-tuned GUI layout.
  • Enhanced mouse-focus and mouse-wheel support on PC.
  • OSCs in free-mode have a more punchy sound.
  • Midi-learn syncs better when multiple instances are used.
  • A warning is shown when Midi-configuration can’t be stored because of write-protected files.
  • More accurate modeling of the tuning in mono-modes.


  • PC: Windows XP / Vista / 7 / 8 / 10 / 11
  • PC formats: 64-bit VSTi, standalone
  • Mac: MacOS 10.7 or higher / MacOS 11; Intel CPU or Apple M1
  • Mac formats: 64-bit VSTi, 64-bit Audio Unit (AU)

User-friendly copy-protection: No cloud, no dongle, no need to be online

Installation note on the Mac if you upgrade from a previous version: The directory of some patches has changed since they have been re-categorized and enhanced. To avoid duplicates it is recommended to delete ‘Library/Audio/Plug-Ins/Saurus_sounds’ before you install Saurus3.


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