The MFOS Sound Lab Mini-Synth Mark II

The MFOS Sound Lab Mini-Synth Mark II is a new synth DIY project, designed by Ray Wilson of Music From Outer Space.


  • Two ‘Musically Accurate’ VCOs With 1V/Octave Tracking
  • White Noise Generator
  • Audio Mixer With External Input
  • State Variable VCF Low-Pass & Band Pass Response
  • VCF Doubles As 1V/Oct Tracking Sine Wave Oscillator
  • VCF Has Multiple Modulation Options
  • VCA Has Multiple Modulation Options
  • LFO (Ramp, Saw, Tri and Square)
  • Two AD/AR Generators
  • Keyboard Control Inputs
  • VCOs and VCF Normalized To Keyboard CV Input
  • AD/AR Generators Normalized To Keyboard Gate Input
  • Patchable Sample And Hold
  • Two Repeat Gate Generators for AD/AR Generators
  • AD/AR Generators Normalized For S&H Triggering

Note: Wilson describes the MFOS Sound Lab Mini-Synth Mark II as an advanced project, requiring understanding of electronics and electronic building and trouble shooting skills and equipment. Access to a good oscilloscope, DVM, bench power supply, soldering station and hand tools are required. Only the schematic, circuit description, and suggested panel layout are provided.

See the MFOS site for details.

4 thoughts on “The MFOS Sound Lab Mini-Synth Mark II

Leave a Reply