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Guitarix is an open source, versatle, virtual guitar amplifier running with jack (Jack Audio Connection Kit), a professionally-capable audio/MIDI server and master transport control.

Guitarix provides a virtual Guitar Amp composed of a pre-amp (controlling the gain, the drive and the output volume), and a rack where we can load a lot of different mono or stereo effects (dynamics, modulations, distortions, EQs...).

Guitarix provides one JACK input port and two JACK output ports. It is designed to produce nice trash/metal/rock/blues guitar sounds. Available are controls for bass, treble, gain, balance, distortion, freeverb, crybaby(wah) and echo. For the 'pressure' in the sound you can use the feedback and feedforward sliders. Guitarix comes with a GTK interface and as Ladspa plugin.

Guitarix takes the signal from your guitar as any real amp would do: as a mono-signal from your sound card. Tones are processed by a main amp and a rack-section. Both can be routed separately and deliver a processed stereo-signal via Jack.

 Guitarix 0.28.2

Free to download



Hermann Meyer, James Warden, Andreas Degert, Pete Shorthose


System Requirements
Gtk+ 2.12.0 or higher
gtkmm 2.12.0 or higher
gthread 2.10 or higher
sndfile 1.0.17 or higher
jack 0.109.1 or higher
boost 1.38 or higher

Support Sites:
Documentation, Wiki, Forum, Mailing List, Guitarix MIDI Control, SourceForge Project Page

Selected Reviews:
Linux Journal

Features include:


  • Emulators
    • Tonestack: Amp Tone Emulator with Bass/Mid/Treble EQ and a big list of "virtual amps"
    • Cabinet: Cabinet EQ Emulator with Bass/Treble knobs
  • Dynamic effects
    • Compressor
    • Noise Gate (Included with the amp)
  • EQ Units
    • Low High Filter
    • Scaleable EQ with 10 bands
    • BiQuad Filter
  • Modulation Effects
    • Chorus
    • Flanger
    • Phaser
    • Cry Baby (Wah) 
  • Repeat Effects
    • Echo
    • Delay
    • Freeverb
    • Tremolo
  • Distortion effects
    • Overdrive
    • Multiband Distortion
  • Impulse Response
  • Oscilloscope
  • Feedback
  • MIDI Out

Stereo RACK

  • Postamp
  • 3 Band EQ: Shelving Equalizer with Bass/Mid/Treble knobs
  • Modulation Effects
    • Chorus
    • Flanger
    • Phaser 
  • Repeat Effects
    • Delay
    • Echo
    • Stereo Reverb
    • Zita Reverb
  • Mogg Filter: to add resonance to the cut-frequency
  • Convolver Filter

General Features

  • Keyboard shortcuts
  • Jack midi-in port to connect a midi controller
  • Midi learn function for every Gui controller
  • Save your settings (and midi connections) in presets and load or switch between them easy with keyboard or Midi commands
  • Jack port connection widget

Guitarix in action

Return to Guitar Tools Home Page

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Last Updated Tuesday, March 25 2014 @ 02:18 PM EST

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