MFOS Bare PCBs

These 'official' bare PCBs are genuine MFOS boards from the US. By purchasing bare PCB's, kits or ready built modules from Soundtronics means that you can also receive our technical support just in case your build does not go according to plan!

All boards are provided without any components or instructions. We recommend you visit the MFOS site to ensure you have the latest build information available but we also have a snap shot from December 2013 (unless otherwise stated) of the respective MFOS build pages which you can download as a PDF.

As well as the PCBs, we also stock components, panels, kits etc. Many of the PCB product pages also have a 'Tutorial' tab where you can find photos of the PCB is its various stages of build.

£5.05 (£4.21 exc. tax)
7210-180
These are 1mm thick aluminum brackets that have a 3/8" hole and a 5/32" hole on one side and a slot that accomodates 6-32 (or just about M4)... read more
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£26.92 (£22.43 exc. tax)
7210-001
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.... read more
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£22.88 (£19.07 exc. tax)
7210-002
A bare PCB for the MFOS Voltage Controller Low Frequency Oscillator.   Features Simultaneous Sine, Triangle, Saw, Ramp, and Variable... read more
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£26.92 (£22.43 exc. tax)
7210-004
A bare PCB for the MFOS Voltage Controlled 24dB Low Pass Filter. Four Pole 24dB Per Octave Low Pass Filter Log Response to Control Voltage... read more
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£22.88 (£19.07 exc. tax)
7210-005
A bare PCB for the MFOS Voltage Controlled State Variable 12dB Filter with high pass, low pass and band pass outputs. State Variable VCF... read more
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£33.65 (£28.04 exc. tax)
7210-006
A bare PCB for the MFOS Quad Timbre Bank. Four complete 12dB/Oct VCFs (linear CV response) Four complete VCAs (linear CV response)... read more
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£88.33 (£73.61 exc. tax)
7210-009
A bare PCB in the new black solder resist colour for the MFOS Vocoder project. A vocoder has got to be one of the coolest signal processors going.... read more
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£22.88 (£19.07 exc. tax)
7210-010
A bare PCB for the MFOS Dual Log / Lin Voltage Controlled Amplifier. Log and Linear Response to Control Voltage DC Coupling Throughout Excellent... read more
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£22.88 (£19.07 exc. tax)
7210-020
A bare PCB for the MFOS Attack, Decay, Sustain , Release Envelope Generator. 1 mS to 20 second Attack, Decay, and Release times. Classic ADSR... read more
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£26.92 (£22.43 exc. tax)
7210-021
A bare PCB for the MFOS Dual Attack Release Envelope Generators. Two separate Attack Release Envelope Generators on one PC board. Each EG has its... read more
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£40.38 (£33.65 exc. tax)
7210-022
A bare PCB for the MFOS Seven Segment Envelope Generator project. Features Selectable Two to Seven Linear Envelope Segments Positive and... read more
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£26.92 (£22.43 exc. tax)
7210-025
A bare PCB for the MFOS Delayed Modulation modules that includes an AR envelop generator, LFO with sine and square waveforms and a VCA configured as a... read more
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£20.20 (£16.83 exc. tax)
7210-030
A bare PCB for the MFOS Micro Sample and Hold module. Features: Variable sample rate Output voltage glide (portamento) Supplied without... read more
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£22.88 (£19.07 exc. tax)
7210-031
A bare PCB for the MFOS Sample and Hold module with the addition of a voltage controlled clock that triggers samples. Sample Rates from .05Hz to 1kHz.... read more
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£20.20 (£16.83 exc. tax)
7210-035
A bare PCB for the MFOS Guitar Envelope Follower. The main idea of an envelope follower is to create a voltage that describes the envelope of the... read more
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£60.58 (£50.48 exc. tax)
7210-036
The MFOS Sub-Commander Guitar Synth buffers your guitar's signal, creates a pulse waveform (at the same frequency as the guitar) divides it's... read more
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£26.92 (£22.43 exc. tax)
7210-040
A bare PCB for the MFOS Multi-Function Module which features a great assortment of functions in one module. Two 3 input DC voltage mixers with normal... read more
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£26.92 (£22.43 exc. tax)
7210-041
A bare PCB for the MFOS Stereo Auto Panner that pans the input signal back and forth between the left and right channels. Leslie Spin-up/Spin-down... read more
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£26.92 (£22.43 exc. tax)
7210-042
A bare PCB for the MFOS Stereo Panning Mixer that features: Four mono input channels each with Panning, Effect 1 Send and Effect 2 Send. Effect... read more
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£22.88 (£19.07 exc. tax)
7210-045
A bare PCB for the MFOS Noise Generator that features: White Noise. Pink-ish Noise High Pass Noise Adjustable Grainy Noise.... read more
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£26.92 (£22.43 exc. tax)
7210-050
A bare PCB for the MFOS Voltage Quantizer that converts a varying voltage input into discrete chromatic scale steps and features: Converts... read more
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£22.88 (£19.07 exc. tax)
7210-051
Old-school, vintage style single buss 1V/octave keyboard controller is very versatile. As a normal keyboard all you need is an old organ keyboard that has... read more
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£20.20 (£16.83 exc. tax)
7210-052
Once you start building up your modular you quickly learn that you need a lot of CV outputs to drive all of those VCOs, VCAs and VCFs. Additionally you... read more
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£26.92 (£22.43 exc. tax)
7210-060
A bare PCB for the MFOS 8-Stage Phase Shifter that features: Switchable 4 or 8 stage phase shifter. Variable feedback ranges from mild... read more
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£26.92 (£22.43 exc. tax)
7210-061
A bare PCB for the MFOS Ring Modulator that features: Internal sine wave oscillator. Two input channels with gain of 1 to 100. Internal... read more
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£26.92 (£22.43 exc. tax)
7210-062
A bare PCB for the MFOS Wave Freaker Module that features: Turns a Triangle or Sine Wave Into a Harmonic-Rich Waveform. Provides several waveforms:... read more
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£26.92 (£22.43 exc. tax)
7210-063
A bare PCB for the MFOS Voltage Controlled Echo Module. Mic/Line Input (x100 Gain in Mic Mode) Original Signal Volume Control Voltage... read more
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£60.58 (£50.48 exc. tax)
7210-064
A pair of bare PCBs for the MFOS Wave Former Two to ten step sculptable waveform. Square or sawtooth waveshape Great source of... read more
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£30.29 (£25.24 exc. tax)
7210-070
A bare PCB for the MFOS Echo Rockit Noise box. Simple 9V Battery Supply External Input with Mic/Line Capability Put external signals... read more
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£26.92 (£22.43 exc. tax)
7210-071
A bare PCB for the MFOS Noise Toaster. Easy to build Wide Range VCO White Noise Generator Cool low Pass Filter Simple But Effective... read more
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£20.20 (£16.83 exc. tax)
7210-072
A bare PCB for the MFOS Weird Sound Generator. This is a really fun project and it makes a LOT of weird sounds. You will have hours, no at least... read more
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£20.20 (£16.83 exc. tax)
7210-073
A bare PCB for the MFOS Alien Screamer project. Features Easy to build Uses one 9V battery (portable) Built in amplifier and speaker.... read more
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£73.02 (£60.85 exc. tax)
7210-074
A bare PCB in the new black solder resist colour for the MFOS Sound Lab Ultimate project. The MFOS Sound Lab ULTIMATE is simply put, one of the... read more
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£64.78 (£53.98 exc. tax)
7210-075
A bare PCB in the new black solder resist colour for the MFOS Sound Lab Expander project. FThe MFOS Sound Lab ULTIMATE EXPANDER in combination with... read more
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£49.80 (£41.50 exc. tax)
7210-076
A bare PCB for the MFOS Sound Lab Mini Synth project. This project is fun for someone with intermediate to advanced electronics skills who wants to... read more
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£37.02 (£30.85 exc. tax)
7210-077
A bare PCB for the MFOS Synth-DIY Experimenter project. Features A great introduction to synth-diy! A circuit benders playground!... read more
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£80.76 (£67.30 exc. tax)
7210-078
A bare PCB for the MFOS Sound Lab Mini-Synth MkII project. Features Two Musically Accurate VCOs With 1V/Octave Tracking White Noise... read more
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£22.88 (£19.07 exc. tax)
7210-080
A bare PCB for the MFOS Adjustable Bipolar Power Supply. This is a great bipolar power supply for your modular synthesizer project. This LM317/LM337... read more
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£20.20 (£16.83 exc. tax)
7210-081
A bare PCB for the MFOS Wall Wart Bipolar Power Supply. Excellent Sound Lab power supply. Can use LM78XX/LM79XX or LM78LXX/LM79LXX regulators... read more
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£8.98 (£7.48 exc. tax)
7210-085
A bare 'MFOS Swiss OpAmp Knife' PCB The Swiss OpAmp Knife is for when you have an idea that requires some op amps and associated components and you... read more
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£20.20 (£16.83 exc. tax)
7210-086
A bare PCB for the MFOS 1V per Octave Calibrator. Variable Cycle Rate 0V thru 3V and 0V thru 7V settings Very accurate when resistors are... read more
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£47.11 (£39.26 exc. tax)
7210-090
A set of two bare PCBs (one for the analogue cicuitry and one for the digital) for the MFOS 16-Step Analogue Sequencer that features: Sequences of... read more
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£74.04 (£61.70 exc. tax)
7210-091
A set of three bare PCBs (digital, analogue and vari-clock) for the MFOS 16-Step Quantized Vari-Clock Analogue Sequencer. This improves on the... read more
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£20.20 (£16.83 exc. tax)
7210-092
This board is designed to work with the MFOS 16 Step Sequencer and supports both another set of "active step" LED indicators and another set of... read more
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