PMFoundations

ADSR, Dual VCA, 3080-VCO, Micro VCO and State Machine are among PMFoundations most popular products.

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www.personalcircuits.com

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PMFoundations

13. Jun 2026, 14:18 PMFoundations

All inquiries: admin@pmfoundations.com

PMFoundations

17. Dec 2025, 14:22 PMFoundations

For shipping outside the USA and Canada, please contact us at jnfrench@pmfoundations.com.

PMFoundations State Machine

27. Nov 2018, 02:20 PMFoundations

State Machine

Voltage controlled envelope/function generator with 10 state gates/triggers.

PMFoundations Voltage Controlled & Sequential Switch

6. Apr 2018, 22:11 PMFoundations

Voltage Controlled & Sequential Switch

Versatile four way switch that can be driven by a clock to operate as a sequential switch. It can also be voltage controlled and manually switched. The jacks operate as one input to four switched outputs or four switched inputs to one output.

PMFoundations My Little Mixer

8. Dec 2017, 22:26 PMFoundations

My Little Mixer

Not My Little Pony but still a trusty friend.

PMFoundations BMult

8. Dec 2017, 22:24 PMFoundations

BMult

Small but tasty.

2Q12 VCF

12dB state variable VCF with voltage controlled resonance

$20 MSRP

6 HP52 mmFilter

3080-VCF

Vintage style 12dB state variable VCF

$20 MSRP

6 HP46 mmFilter

3080-VCO

Compact 6HP VCO for Eurorack Modular synthesizers

$20 MSRP

6 HP57 mmOscillator

3320-VCF

VCF based on classic CEM 3320

$20 MSRP

6 HP41 mmFilter

6080 VCO

Full featured VCO for Eurorack Modular synthesizers

$30 MSRP

10 HP54 mmLFO Oscillator

6080-VCF

12dB state variable filter with VC cut off and resonance

$25 MSRP

6 HP53 mmFilter

7-OR

Gate/Trigger Combiner 7-1 OR Gate

$15 MSRP

4 HP26 mmLogic Utility

8080-VCO

Saw core VCO for Eurorack Modular synthesizers

$25 MSRP

8 HP51 mmOscillator

ADSR

ADSR Envelope Shaper

$15 MSRP

4 HP22 mmEnvelope Generator

ADSR-D Envelope Generator

ADSR-D Envelope Generator

All discrete vintage-synth style Envelope Generator

$20 MSRP

6 HP34 mmEnvelope Generator

Atten-V

Quad attenuator-inverter for Eurorack systems

$15 MSRP

6 HP25 mmAttenuator Polarizer Quad Utility

Attenuator

$14 MSRP

6 HP25 mmAttenuator

Auto-MIDI

4 Voice Polyphonic MIDI to CV interface with Auto-Tune (PCBs only)

$34 MSRP

8 HP55 mmController MIDI Quantizer

BMult

1X8 / 2X4 Buffered Multiple

$15 MSRP

4 HP27 mmMultiple

Buffered Attenuator

Buffered Attenuator

Quad active attenuator for Eurorack systems

$15 MSRP

6 HP25 mmAttenuator Quad Utility

Chorus

Chorus waveform multiplier

$19 MSRP

4 HP53 mmPhase Shifter Waveshaper

Clock

Dedicated clock module for Eurorack - easy DIY build

$20 MSRP

4 HP37 mmClock Generator

Clock Divider

Versatile clock divider with all CMOS

$25 MSRP

4 HP58 mmClock Modulator Frequency Divider

Dual VCA

Compact 6HP Dual VCA

$15 MSRP

6 HP50 mmVCA

Fatkeys™ VCF

Eurorack VCF using Fatkeys™ SSI2144 from Sound Semiconductor

$25 MSRP

6 HP46 mmFilter

LFO

Compact LFO with 5 waveforms

$100 MSRP

6 HP50 mmLFO

Micro VCO

Ultra compact 4HP VCO/LFO for Eurorack Modular synthesizers

$20 MSRP

4 HP57 mmLFO Oscillator

MIDI-CV-1

Slim USB Keyboard MIDI to CV interface for Eurorack Modular synthesizers

$25 MSRP

4 HP45 mmController MIDI

MIDI-CV-8

MIDI-USB Keyboard Controller MIDI-CV Interface

$29 MSRP

8 HPController MIDI

Mod+

Versatile modulation controller with LFO, S&H and Noise in 6HP Eurorack

$20 MSRP

6 HP54 mmCV Modulation LFO Noise Sample and Hold Sampling Utility

My Little Mixer

My Little Mixer

Versatile, customizable signal/CV mixer for Eurorack systems

$20 MSRP

6 HP25 mmMixer

Noise

Eurorack Noise Source only 4HP wide

$15 MSRP

4 HP24 mmNoise

Quantoct Quad Quantizer

Quantoct Quad Quantizer

Four channel quantizer

$35 MSRP

8 HP50 mmQuantizer

reSEMble all-in-one Eurorack synthesizer module

reSEMble all-in-one Eurorack synthesizer module

Build a single-panel, single-voice Eurorack all-in-one synth module that’s inspired by…

$100 MSRP

60 HP50 mmSynth Voice

Ring Modulator

Dual Ring Modulator

$15 MSRP

4 HP38 mmRing Modulator

RingFolder

Wave folder with ring modulator

$20 MSRP

6 HP40 mmDynamics Ring Modulator Waveshaper

Sample and Hold

Sample and Hold

Compact 4HP Sample & Hold module for Eurorack Modular synthesizers

$45 MSRP

4 HPRandom Sample and Hold

Saw

Saw wave shaper - Triangle in and Saw/Ramp out

$15 MSRP

4 HP45 mmUtility Waveshaper

Slew

Dual Slew Limiter Eurorack PCB Set

$15 MSRP

4 HP20 mmSlew Limiter

State Machine

Advanced envelope generator with 10 state gates and voltage control

$30 MSRP

10 HP54 mmEnvelope Generator Function Generator LFO

Synthola +8 steps

Synthola +8 steps

Additional 8 steps for the Synthola sequencer

$20 MSRP

6 HP54 mmClock Modulator Sequencer

Synthola 2nd Row

Synthola 2nd Row

Add-on module to provide a second independent row of CVs for the Synthola Sequencer

$20 MSRP

6 HP28 mmCV Modulation Sequencer

Synthola/Quantola

Synthola/Quantola

16 Step Programmable Sequencer

$39 MSRP

12 HP59 mmClock Generator Quantizer Sequencer

Toggle

Two independent 2-way switches with voltage controlled and manual switching

$15 MSRP

4 HP38 mmSwitch

VCEG

Voltage Controlled Envelope Generator

$20 MSRP

6 HP54 mmEnvelope Generator

Voltage Controlled & Sequential Switch

Voltage Controlled & Sequential Switch

Four way voltage controlled switch with clock/manual controls

$20 MSRP

6 HP57 mmSwitch

Voltage Controlled Clock

Voltage Controlled Clock

Dedicated clock module with CV control of clock speed

$20 MSRP

4 HP42 mmClock Generator

Volts

Four manual CV sources

$15 MSRP

4 HP26 mmCV Modulation Quad Utility