5U MFOS Synth Modules

With thanks to our friends at MFOS & Synthcube, these wonderful analog synth projects are once again available from the UK. For many years, Soundtronics supplied the PCBs, kits, panels and technical support to customers across Europe and beyond. Now trading as Sonic Synths, the PCBs are manufactured by us under licence to the original PCB designs.

Over time, we will add kits of parts, components and panels based on demand. If you can't find on our website what you need for your MFOS project, contact us and we will endeavour to assist.

Some projects may also be suitable for Eurorack applications largely depending on PCB size as the supply voltages are also +/-12V except for a few battery powered Lo-Fi noises boxes.

If you want to use these modules on +/-15V, check out the MFOS website for guidance, where possible, it may require component value changes.

Soundtronics (Sonic Synths) MFOS Projects are authorized by Music From Outer Space

50 products

  • MFOS VCLFO Synth Module Bare PCB

    MFOS MFOS VCLFO Synth Module Bare PCB

    A bare PCB for the MFOS Voltage Controller Low Frequency Oscillator.  Simultaneous Sine, Triangle, Saw, Ramp, and Variable Pulse Width Rectangle Outputs. Voltage Control of Frequency (approximate log response, NOT 1V/Octave) Voltage Control of Rectangle Pulse Width Fine and Coarse Frequency Control Very Low Frequency (1 Cycle per several minutes) Output levels are all approximately +/-5V (+ or - 300 mV). Supplied without components or instructions. For build instructions see the MFOS website. Soundtronics (Sonic Synths) MFOS Projects are authorized by Music From Outer Space

    £16.00

  • MFOS VCO Synth Module Bare PCB

    MFOS MFOS VCO Synth Module Bare PCB

    A bare PCB for the MFOS Voltage Controlled Oscillator which allows use of SOIC or DIP8 SSM2210 or SSM2212 dual NPN package or discrete matched NPN pair.  Years of MFOS VCO improvements all rolled into this design. Good tracking over several octaves (6 to 8). Can be temperature compensated with a metal film 2K Ohm 1/4W +/-2% T.C. +3300 PPM tempco. Simultaneous Rectangle, Ramp, Triangle and Sine Outputs (Ramp core design) Designed for 1V/Octave control voltage 4 1V/Octave control voltage inputs. 1 Linear control voltage input. Hard sync input. Rectangle wave duty cycle adjustable between 10% and 90% Rectangle wave duty cycle voltage controllable Frequency range is from sub audible (approximately 0.1 hertz) to ultra-sonic 20kHz. Supplied without components or instructions. For build instructions see the MFOS website. Soundtronics (Sonic Synths) MFOS Projects are authorized by Music From Outer Space

    £16.00

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