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 Double Six XXL by Odo Synths is a Virtual Instrument Audio Plugin for Windows. It functions as a VST Plugin.
Double Six XXL
Product Double Six XXL
Developer Odo Synths
Price (MSRP) Free
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
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Double Six XXL is a 6-operator FM synth with 32 DX7 algorithms and 16 4-operator algorithms.


  • 6-operator FM synth with 32 DX7 algorithms and 16 4-operator algorithms.
  • Every operator has its own envelope. You can choose between 1 and 8 stages and set the sustain point from 1 to 7 or off.
  • Every operator has a clipper, overdrive, lowpass filter and a distortion.
  • 2 octave sequencers with Destinations operator 1 to 6.
  • 4 envelopes with retrigger mode on BPM rates.
  • 3 LFOs with 19 different waveforms with 16 different BPM rates and free rate (manual) mode. Destinations of the LFOs are pitch operator 1 to 6, phase modulation 1 to 6 and cutoff.
  • The LFOs can start free (any point of the LFO waveform), gated starts when you hit a key or first (starts when you hit play in the sequencer).
  • An octave pitch.
  • 14 different curves for the envelopes. All envelopes have a time knob. You can switch between the envelope and volume.
  • The operators can be disabled, fixed or pitched and have a octave range from -6 to 3, fine-tune and pulse width.
  • 11 different waveforms for the operators.
  • The filter has the same envelope and there are 10 different filters types low-pass 12db, low-pass 24db, low-pass db32, hi-pass, band-pass, CK low pass, CK Band pass, CK hi pass, CK notch and CK peak.
  • Volume envelope.
  • EZ preset: This allows you make new sounds fast. You can reset all fine-tunes with the hit of a button or change all waveforms, set all the octaves the same and the times of the envelopes.
  • Phase modulation depth control and a feedback control.
  • Volume envelope.
  • Note sequencer.
  • Build in effects are Chorus, stereo delay, gater, clipper, overdrive, distortion and phaser effects.
  • Velocity controls.
  • Voice/poly control.
Made with SynthEdit
Discussion: Active


12 February 2014 at 4:52amrobohymn

Another great synth for dirty FM stuff, like its older siblings. Thanks to the dev.

13 February 2015 at 11:40ambriandc

Nice synth, a bit hard to get around the GUI imo.

I also noticed that the glide doesn't work when monophonic, and only in legato mode when polyphonic... : (.


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Double Six XXL

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Odo Synths
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