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Go2-X by Rob Papen is a Virtual Instrument Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
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In the Rob Papen world of synthesis, there was one type of synthesizer missing... A synthesizer that has all of its controls and features available visually all at once. So, the original Go2 was developed, and it instantly became very popular and used by many musicians and composers in their productions. Now it has been upgraded to Go2-X and it has been enhanced with even more useful features and enhancements to what already was the 'Go To' synthesizer.

As you might know, the current Rob Papen collection contains synthesizers that contain many features and types of synthesis which sometimes can be daunting to the average user. Still, we thought that it would be awesome to add even more features to Go2 without losing its powerful concept and yes, we added in the X factor.

With Go2-X you can now draw in your own waveforms and morph between them. We have expanded the ARP section with ratcheting and the Magic Mode (from BIT-2). You now have the option to use the Stereo Delay and Reverb at the same time... and many more cool new features and presets. Yes, Go2-X has many new features that make sure that it will boldly 'Go2' where no other synth in this category went before.

Presets / Folder & Global Section:

  • Over 1700 Presets sorted in Bank Folders.
  • Additionally, there is a 'Quick Browser', 'Favorites', and 'Star' system in the bank manager.
  • ECS (External MIDI Control) Go2-X can modify its sound parameters dynamically in response to MIDI messages received from an external controller. These settings can be saved and loaded from your HardDisk.
  • Help which opens up Go2-X's PDF manual.
  • Bank Manager.
  • Go2-X Logo Clicking on the Go2-X logo takes you to the Back Panel. The Back Panel shows global settings and infrequently accessed controls.
  • Control menu available in the upper right corner for global settings.
  • Animated Dials with the option to disable.

Oscillator Section:
The heart of Go2-X is the morph oscillator, this oscillator allows you to morph (using Go2-X's various morph modes) between two different waveforms:

  • First and Second Waveforms (Wave-A and Wave-B).
  • Oscillator Morph Mode. The Morph Mode menu determines how the oscillator combines the two waves First Wave and Second Wave.
  • The Morph modes are Mix, Morph, Low Partial Morph, High Partial Morph, Odd/Even Partial Morph, Even/Odd Partial Morph, Table Interpolate, Table Split, Table Combine, FM, PM, AM, Ring Mod, WaveShaper, and Range.
  • Spread (creates a stacked 2 oscillator sound).
  • Sub. The sub-oscillator knob lets you select two different waveforms being sinus or square..
  • Sym (Sym controls the symmetry of the oscillator waveform).
  • SMOD (Symmetry Modulation) Amount.
  • Symmetry modulation controls how much the symmetry position changes over time.
  • SMOD (Symmetry Modulation) SpeedSmod Speed sets the frequency of the LFO that changes the symmetry position.
  • Additional Spectrum waveforms.

XY Section
The XY pad is a combination of a live, interactive control, and also an automated programmable modulation source
XY Controls:

  • Edit (While in Edit mode, you can move the path's points around and thus edit the XY Path manually).
  • Play Speed (The Play Speed control alters the playback speed of the recorded XY Path).
  • Modes: Poly, Free or Mono.
  • Loop modes: off, loop or bidirectional loop.
  • Sync To (Tempo sync the XY movement).
  • Points (from 2 points up to 128 points).
  • Space Quantize (Space Quantize restricts the points in the current path to a set of grid lines).
  • Time Quantize (Time Quantize sets the update frequency of the XY position).
  • Draw Osc (the XY screen also shows the current oscillator output if you like).
  • Commands (XY Menu with the many additional options like the preset path).

Filter Section
Analog-modeled filter:

  • Cutoff Frequency.
  • Q (Resonance).
  • 20 Filter Types included two Comb Filter types and Ring Modulation.
  • Cutoff Frequency Modulation: Velocity (Vel), Key Track, Modulation Wheel, Envelope (Env).
  • Filter Envelope with Attack, Decay, Sustain, Release, and reverse control. (Graphic mode or dial mode option selectable in the Play mode section).

HighPass Filter
Additional Filter behind the main filter:

  • With On/Off function.
  • Keyboard tracking On/off.
  • Q (Resonance) On/Off and amount control.
  • Cutoff Frequency.

Amplifier Section
The final volume control in Go2-X with distortion on voice level:

  • Distortion amount control.
  • Distortion types Atan, Bit, Cos, Cross, Fold, Limit, Over, Power, Rate, Saturate, Square.
  • Volume control.
  • Velocity (Vel > Vol).
  • Pan.
  • Volume Envelope with Attack, Decay, Sustain, and Release. (Graphic mode or dial mode option selectable in the Play mode section).

Play Mode Section
Arranges how Go2-X plays its engine and additional features and settings can be found in this section:

  • Play Modes: Poly (16voice), Poly MPE, Mono, Mono High, Mono Low, Legato, Legato High, Legato Low, and Arpeggiator.
  • Portamento with Speed control, Rate or Time Mode, Held Rate or Held Time mode.
  • Port Amount.
  • Unison and chords
    In Unison mode, Go2-X plays up-to 4 unison voices, for each note played. This works at an Oscillator / Filter level, so you can still play up to 16 voices in poly mode.
  • Unison modes and chords:
    Unison 2-4
    2 Octave
    3 Octave
    2 SP
    Major to Diminished 7th chord (3voice and 4 voice)
    Unison Detune Amount
    Unison Stereo Spread.
  • Pitch Bend Up / Down (The unit used is semi-tones).
  • Drift On/Off When this is on the oscillator has 'analog drift' i.e. it has a very slight & slow drifting of tuning over time.
  • Exp Env (Selects if the envelope's decay/release stages are linear or have an exponential characteristic).

WAVE section:

  • Two user waves can be created in each Go2-X preset.
  • Modes to create are Draw or Partials with the option of 'exponential'.
  • Draw, Line, and Erase options.
  • Shaper option available with different modes.
  • Additional control options and the option to save and load a waveform.

Arpeggiator section
Go2-X offers a classic style Arpeggiator with some unique features, like sequencer mode and unison/chord control per step:

  • The Arpeggiator has up to 16 steps. Per step you can set the following values:
    Step On/Off
    Tie (Tie note)
  • Steps (number of Steps 1-16).
  • Dynamic catch-up modes for the Step numbers.being odd, even, or all.
  • Loop Modes are On, Off, PingPong.
  • Dynamic catch-up modes for the Loop start point being odd, even, or all.
  • Magic modes to alter the steps and their tuning or both.
  • Speed (for example 2 x tempo or ΒΌ x tempo).
  • Arp Modes:
    Up, Down, Up/Down, Random, Ordered, Rev. Ordered, Ordered Up/Down, Ordered Down/Up, Chord, Sequencer, Sequencer Reset.
  • Octave.
  • Tie modes: Normal, Special, Toggle 1, toggle 2.
  • Lock Mode option.
  • Swing.
  • Slide amount.
  • Vel / Key (Responds to the velocity setting of the step or the keyboard input).
  • Host Sync.
  • Latch.
  • Key Entry.
  • Arpeggiator Command Menu.

LFO Section
Go2-X has 2 Free LFOs that generate modulation signals to be used as sources in a modulation path:

  • Waveform types: The available waveforms are Sine, Triangle, Saw Up, Saw Down, Square, S&H, User 1 wave, or User2 wave.
    Except for the S&H waveform, the waveforms are available in different start phases being 0 (normal), 90, 180, and 270 degrees.
  • Speed.
  • Sync (Tempo Sync option).
  • Modes: Poly, Free, Mono, and Legato.

Envelope Section
Go2-X has 2 Free Envelopes that generate modulation signals to be used as sources in a modulation path:

  • 2 Envelope with Attack, Decay, Sustain, Sustain-Fade and Release.
  • Option to temp sync.

Modulation Matrix Section
The 12-way modulation matrix allows you to dynamically alter Go2-X's parameters. using both internal modules such as envelopes and LFOs, and external MIDI Controllers such as Pitch Bend,
Aftertouch and other control messages are defined in the MIDI-standard.

FX Section
Go2-X has 4 fx units in serial mode:

  • Chorus.
  • Flanger or Phaser.
  • Stereo Delay.
  • Reverb.
  • Bypass all function.

Bank Manager Section

There are four main sections: Presets, Find, Search Category, and Set Category. For each section, the Banks are visible on the right-hand side. While in the Preset screen in the Bank Manager you can mark any Preset with a Star if you like the Preset.

Back Screen
A click on the Go2-X logo will display the back panel. The back panel contains several global controls that affect all instances of Go2-X:

  • GUI size options are 100%, 125%, 150%, and 200%.
  • Computer Keyboard Up / Down.
  • External MIDI Control Capture Mode.
  • MIDI Program / Bank Change.
  • MIDI Channel.
  • Tuning with .tun files option.

{See video at top of page}

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