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

Features:

• 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.