Envelope
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This is the DIY version of this unit.Solid Felt is a stereo multimode analog filter in desktop format.Its name comes from the etymology of the words “stereo” and “filter”.From subtle timbral variation to an all-encompassing sonic treatment, Solid Felt can be used in multiple ways to embellish or vandalize your sound bouquet:As two independent mono filtersto give a stereo treatment to a mono signalto filter a stereo signal at the same cutoff frequency on the L and R channelsAs a mono 24dB/oct filter (placing the two filters in series)To synthesize sounds, via external feedback patchingTo extrapolate a CV signal from your audio input and use it to control any of its parameter or external gearAs a stereo overdrive effectTo bring line level signals to Eurorack levelFeatures:• 2x Analog multimode analog filters• 2x 1/4″ jack high impedance inputs• 2x 1/4″ jack low impedance outputs• 8x 1/8″ jack eurorack compatible CV inputs• 8x 1/8″ jack eurorack compatible CV outputs• Input gain control to amplify incoming signals up to fuzzy territory• mode control to select between lowpass, bandpass and highpass filter response (CV controllable)• an envelope follower (normalled to input A) which is fed into a three stage clock divider• a voltage controlled LFO with waveform blend control and two outputs 180° out of phase• a voltage controlled LFO with rising and falling sawtooth outputsDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled unit. The kit includes all parts to build the unit. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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MVMNT is a versatile Eurorack module designed to infuse your patches with dynamic, smooth random modulation. Based on the original HAGIWO design, it offers precise control over the shape, intensity, and randomness of your CV, creating unpredictable yet musical results. With features like a smooth Bezier curve, adjustable frequency, and multiple firmware options, MVMNT introduces rich modulation possibilities including Perlin noise, ADSR, and generative CV sequencing.Features:• Precise control over the shape and rate of smooth random modulation• Adjustable intensity for fine-tuning randomness• Track & Hold• Additional inverted and Bipolar Outputs.• Alternative Firmware Options and Dual-Panel Design by bkrsmdesign, featuring the original SYNC MOD LFO on the backside.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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New and improved version of the classic Mikrophonie contact microphone module. This version incorporates the features of the (now discontinued) Mutable Ears module but allows you to push the preamp into dirtier territory. The kit also includes a choice of 2 x frontpanels allowing the builder to choose whether to have the scratchplate at the top or bottom of the panel.Tom Whitwell the designer of Mikrophonie describes the original thus:“Mikrophonie is a microphone preamp with a piezo contact mic built into the panel.It is an easy way to bring environmental noise and feedback into a modular system, inspired by the early days of electroacoustic music in Paris and Cologne, and by the contact microphone and phonograph cartridge experiments of John Cage, Gordon Mumma, Robert Ashley and Nicholas Collins. Here is a wonderful film from 1966 of Stockhausen & Co performing Mikrophonie 1.The panel scratchpad has quite a nice rough texture – rubbing it with a finger or a plectrum creates quite a wide range of sounds. The back of the panel is plated and grounded for shielding; the peizo microphone can either be soldered directly to the copper or stuck on with epoxy glue.”This new version of Mikrophonie improves the amplifier circuit and adds the following features from the Ears version by Emilie Gillet• An envelope follower, translating the decaying amplitude profile of a tap into an envelope CV.• A gate detector, translating taps into gate signals.• The envelope follower and gate detector can process external signals as well as the built in contact mic.Specs:• High quality Audio Amp with extended gain range over Ears.• External input bypassing the built-in contact microphone.• Envelope follower with 3 preset attack and release times (adjustable by jumper).• Gate detector with 3 preset sensitivity levels (adjustable by jumper) and +8V gate output.• Three indicator LEDs for amplifier clipping, envelope follower level and gate detector activity.This kit contains all parts to build the module, right down to the power cable and the screws. Internal contact mic is included.The module will work with a range of external contact mics including DIYed creations made from inexpensive piezo transducers, and off the shelf contact mics. We recommend to use it with LeafAudio's contact mics which are known to be very good.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
available
The Workshop System is a complete modular synthesizer and audio computer – small enough to fit in a book-sized case, but packed with sound-shaping tools and educational potential. Designed for musicians, makers and tinkerers, it’s a fully modular playground for learning, composing, experimenting, and hacking.The system includes 14 analog and digital modules, ranging from vintage-style oscillators and filters to a programmable digital Computer module with swappable program cards. It works standalone inside its custom case or can be mounted in a Eurorack system (42 HP).You can use the system for crafting pure tones, exploring feedback loops, integrating guitar pedals, or writing your own firmware – the Workshop System invites hands-on discovery and creative exploration.Features:• Complete modular synth in a compact, case-mounted 42HP format• Includes 14 modules: oscillators, filters, mixer, ring mod, stompbox loop, envelope generators, and more• Powerful Computer module with RP2040 brain and reprogrammable program cards• Runs on USB-C (Power Delivery!) power (15 V) or standard Eurorack barrel input (15-25 V DC)• Works with audio sources, guitar pedals, microphones, and external MIDI/CV gear• Designed for experimentation, hacking, education – and serious music making The kit does not include:• Eurorack patch cables – we figure that many users of modular synths already have patch cables lying around – but if you’re just starting out and would like a set of short patch cables then we have a cable set available HERE• A power cable – The Workshop System has two power options: The easiest way is via USB-C PD power, but you can also use a regular 15-25 V DC barrel connection like THIS. The system will happily run from battery powerbanks and laptop adaptors. We feel that there are already enough USB-C cables in the world.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
available
Elmyra 2 is a 4-voice digital/analog hybrid platform for microtonal sonic exploration, capable of creating anything from lush ambient soundscapes to gritty droning textures and shrieking noises, available as a 42 HP Eurorack module or semi-modular desktop synth. With 31 modulation targets, 4 polymetric sequencers, delay, additional per-voice effects, a choice of various filters, as well as onboard LFOs and utilities, it is essentially a purpose-built small modular system in itself. A set of preset cards (included) or electronic components like capacitors or diodes can be plugged into the front panel in order to change the sound character.Features:• 4 independent voices activated by touch or CV• wavetable-based complex oscillator engine, up to 12 oscillators in total, 1V/octave compatible• chromatic mode makes chords and harmonic sounds possible, microtonal scales supported• 41 patch points• 31 modulation targets• touchpads with analog envelopes that can be used as modulation sources• resonant filter switchable between:• boomy and aggressive multimode 2-pole state variable filter (low-pass, band-pass, high-pass)• creamy 4-pole low-pass ladder filter• delay with unhealthy amounts of feedback• lo-fi reverb• analog OUCH circuit: a unique combination of destructive distortion, waveshaping and filtering• sonic character can be customised by using special preset cards (set of 4 included) or components like diodes that can be plugged into the front panel• preset cards can be used with other Neutral Labs modules• external audio can be processed via audio input• 9 per-voice modulations and effects:• unison detune• dual sub-oscillators• saturation• bitmangler• sample rate reduction• noise• high-pass filter• low-pass filter• 2 LFOs: 1 sine, 1 complex morphable• 4 sequencers with arbitrary step length per voice (up to 128), allows polymetric structures• delay time and LFOs can be clock-synced or unsynced (tap tempo is also possible)• utilities• dual attenuator/buffered multiple/voltage generator• CV summing circuit• solid bamboo wood case• boutique synth handmade in GermanyDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
available
Elmyra 2 is a 4-voice digital/analog hybrid platform for microtonal sonic exploration, capable of creating anything from lush ambient soundscapes to gritty droning textures and shrieking noises, available as a 42 HP Eurorack module or semi-modular desktop synth. With 31 modulation targets, 4 polymetric sequencers, delay, additional per-voice effects, a choice of various filters, as well as onboard LFOs and utilities, it is essentially a purpose-built small modular system in itself. A set of preset cards (included) or electronic components like capacitors or diodes can be plugged into the front panel in order to change the sound character.Features:• 4 independent voices activated by touch or CV• wavetable-based complex oscillator engine, up to 12 oscillators in total, 1V/octave compatible• chromatic mode makes chords and harmonic sounds possible, microtonal scales supported• 41 patch points• 31 modulation targets• touchpads with analog envelopes that can be used as modulation sources• resonant filter switchable between:• boomy and aggressive multimode 2-pole state variable filter (low-pass, band-pass, high-pass)• creamy 4-pole low-pass ladder filter• delay with unhealthy amounts of feedback• lo-fi reverb• analog OUCH circuit: a unique combination of destructive distortion, waveshaping and filtering• sonic character can be customised by using special preset cards (set of 4 included) or components like diodes that can be plugged into the front panel• preset cards can be used with other Neutral Labs modules• external audio can be processed via audio input• 9 per-voice modulations and effects:• unison detune• dual sub-oscillators• saturation• bitmangler• sample rate reduction• noise• high-pass filter• low-pass filter• 2 LFOs: 1 sine, 1 complex morphable• 4 sequencers with arbitrary step length per voice (up to 128), allows polymetric structures• delay time and LFOs can be clock-synced or unsynced (tap tempo is also possible)• utilities• dual attenuator/buffered multiple/voltage generator• CV summing circuit• case made of plant-based bioplastic and native German oakwood• boutique synth handmade in GermanyDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
sold out at the moment
Pip contains two morphable CV generators/complex LFOs in 8 HP that can be synced to each other in predefined ratios, unsynced or phase-shifted between each other. You can choose from a large variety of preset waveforms, random waves or even record and morph your own external CV or knob movements.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
sold out at the moment
The Coiler Multi-mode Filter and Rectifier packs an entire nest of sound-shaping features into a single 8HP Eurorack module. It's a two-pole state-variable filter based on a unique integrator design which stores energy in both inductors and capacitors depending on the frequency range. The transition region between the two components, and the saturation characteristics of the traditional OTA-based amplifiers, offer warmth and ever-shifting timbres in the midrange, along with hissing highs and slithering lows. This is a somewhat unpredictable filter.With simultaneous low-pass, band-pass, and high-pass outputs, the Coiler works well in traditional subtractive patches. But its built-in full-wave rectifier is also great for adding harmonics and distortion in patches from the other coast. When combined with low-pass, the rectifier allows the Coiler to serve as a basic envelope follower, for compression and external-signal patches. It's a lot of bite for the buck, and for the rack space.The MSK 009 Coiler VCF is available as a pre-built 6HP Eurorack module or a DIY kit. Slide one into your rack today.Features:• High-quality potentiometers with bushings fastened to the panel for wobble-free operation; conductive plastic for smooth feel; rated for one million operations lifespan (compare to fifteen thousand or less for typical cheap pots)• All-new circuit, not a clone or imitation of anything else• Through-hole for easy hand construction and maintenance• No compromises on build quality: real aluminum panel, not PCB material, with colour printing; nickel and gold plating on the circuit board; close-tolerance metal film fixed resistors.• Fully open design - no lock-inDIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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North Coast's Transistor ADSR is a four stage traditional envelope generator for Eurorack synthesizers. With full control of four stages, it can shape percussion notes like an AR envelope, organ notes like an ASR, but also the complete range of acoustic-style and classic-synth notes which the simplified envelopes in some popular multi-modules just cannot handle. Use it in subtractive patches for amplitude or filter cutoff, or branch out into controlling other functions, like vibrato amount.At a svelte 6HP and only 33mm deep, the Transistor ADSR can fit in almost any rack. A Schmitt-trigger input allows it to trigger from slowly changing voltage sources, opening the door to special effects like gate delay when the MSK 012 is triggered by another envelope (or another MSK 012). Three timing ranges controlled by a rugged front-panel toggle switch cover a wide range of musical applications, with the fastest settings allowing the envelope to run well into the kilohertz range for audio-rate effects and signal conditioning. The smooth conductive-plastic potentiometers are a tactile joy to play and pay for themselves with increased lifespan.Features:• High-quality potentiometers with bushings fastened to the panel for wobble-free operation; conductive plastic for smooth feel• All-new circuit, not a clone or imitation of anything else• Classic discrete-transistor design• No ICs!• Through-hole for easy hand construction and maintenance• No compromises on build quality: real aluminum panel, not PCB material, with colour printing; nickel and gold plating on the circuit board; poly film timing capacitors; close-tolerance metal film fixed resistors.• Fully open design - no lock-inDIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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CV Looper Interface. Record and playback LFOs, knob movements, CV, ADSRs, audio etc! This is a high-resolution dual-channel recording interface for your signals. Please check this video to get an idea what Ephemere is.You can record from 1014sec at 172Hz up to 4 seconds at 44.1kHz of signal on each channel, change the playback speed also it scan through the recorded CV. It has an Oled display to monitor your live and recorded signal to adjust playback length. When nothing is patched to the input you can use the input pot as an offset/cv generator to record pot movements into the module. It´s possible to save, load your signals in the sdCard up to 16GB of space. There are 4 different modes to record to choose from to make more complex signals and 3 different play modes either.Features:• 2 Channels signal interface recording• Record modes (manual, sync, manual multi, sync multi)• Play modes (forward, backward, pendulum)• 1014 seconds at 172Hz up to 4 seconds at 44.1kHz to select from the menu.• Oled display with 2 types of signal monitoring• Speed control /5 to x5• Signal recording select from the menu -5V/+5V or 0V/10V• Save, Load, erase files from 16GB SDcard• Easy remote updates• CV control from 0V to 10VDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Punch is the ultimate VCA-DECAY module for Eurorack! Specially designed to generate dynamic percussive sounds but also capable of basslines, leads, envelopes and more. The VCA has a built in voltage controlled Decay envelope that can be turned from smooth to more aggressive exponential responses and can be activated with triggers, gates or cv’s. Punch also features accent inputs on each channel, for more interesting and dynamic sounds and envelopes. Punch v3 features two modes per channel to play, with a dedicated switch control: “vintage style drum machine mode” and “dynamic cv mode”. Punch is capable of creating AM sounds with control voltage on the “amount”. Each envelope can be inverted via dedicated switches on the front panel. If you use an inverted envelope alongside the accent input you can create ducking effects like side-chain compression. Check the official demo here and here a DivKid video about Punch.Features:• Dual VCA with voltage controlled Decay• Adjustable Decay curve• Snappy attack ideal for percussion• Accent inputs• Envelope shape invert switchesDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
available
Punch MG is a unique module with VCA-DECAY & Mute GROUP designed for Eurorack systems. This module has been specially designed to generate dynamic percussive sounds while also offering the capability to manage multiple signals simultaneously through its innovative mute group feature.Punch MG provides a versatile platform for designing dynamic percussive sounds. With its mute group feature, it allows you to handle numerous signals concurrently.The manual will guide you through the various features and functions of Punch MG, enabling you to explore its full potential.Key Features: Dynamic Sound Generation: Punch MG is engineered to generate dynamic percussive sounds with finesse, offering a range of creative possibilities.Features:• Mute Group Interaction and Signal Patterning: Utilize the mute group feature to enable interactions between signals that share the same group. This feature enables signal muting and amplitude limitation when multiple signals are triggered simultaneously. The amplitude and decay time of each signal are influenced by others in the same group. This characteristic can lead to captivating pattern variations when focusing on specific channels.• Expandable Capability: By linking two modules, you can expand the effect of the mute group to accommodate up to eight signals, fostering intricate interactions and captivating sonic landscapes.• AM Sound Creation: Connect audio rate signals to the level input to explore the creation of AM (Amplitude Modulation) sounds, further extending the sound design possibilities.• Envelope outs: Each envelope's polarity can be inverted using dedicated switches on the front panel, enabling you to achieve effects like side-chain compression and ducking. Also, the mute group circuit's influence extends to the envelope signal output, providing intriguing modulation capabilities that add a unique layer of creative expression to your sonic endeavors.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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ENVY MACHINE is a compact modulation powerhouse with four independent channels, each offering a wide range of modulation options. From envelopes and LFOs to random voltages and unique knob recording, ENVY MACHINE delivers remarkable flexibility in a small Eurorack format.Each of the four modulation channels operates in one of five versatile modes:• ADSR Envelope• AD Envelope• AD LFO• Random Voltage Generator• Recordable Knob MovementKnob Recording lets you manually animate parameters, capturing expressive modulations to add life and dynamics to your patches.Each channel includes its own dedicated MOD input, enabling external CV control over parameters such as time, level, waveform shape and more.Both inputs and outputs feature bipolar attenuverters, allowing smooth transitions between unipolar and bipolar signals with precise modulation depth control.Shape your modulation curves with continuously adjustable waveforms that morph seamlessly between LOG, EXPO, SINE, TRAPEZOID, and SQUARE.Technical Specifications:TIME• Envelopes: 1.5 ms – 4 min• LFO: 88 Hz – 7 min cycle• Random: 2 kHz – 2 minOUTPUT VOLTAGE RANGE• Envelopes: 0 V to 8 V (inverted: 8 V to 0 V)• LFO/Random: 0 V to 8 V (Unipolar) or -5 V to +5 V (Bipolar)INPUT VOLTAGE RANGE• -5 V to +5 VFeatures:• 4 modulation channels, each with 5 selectable modes• Knob Recording (“Ghost Hand”) for expressive, animated modulations• Dedicated external CV modulation input per channel• Bipolar attenuverters on all inputs and outputs for flexible polarity control• Smoothly variable waveshapes: LOG, EXPO, SINE, TRAPEZOID, SQUARE• Compact, intuitive Eurorack design – ideal for both performance and studio useDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Descent is an analogue dual envelope generator. It provides 2 independent voltage controlled decay EGs. The envelopes can be switched between triggered or gated (sustain) mode. The first trigger input is normalized to the second one and each channel provides a LED to visualize the envelope signal. The shape of the envelope can be adjusted between lin/exp with a trimmer on the back of the PCB. Decay times are adjustable between a few ms up to several seconds.It comes as a complete kit with all needed parts to build it. That includes a multi colour aluminum frontpanel, high quality jacks and smooth 9mm metal pots.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
available
Rocinante's Gate is not a classical low-pass gate (LPG) using vactrols, but goes way beyond that providing an adjustable envelope to control the "gate" through an analog filter. Sending a gate or trigger signal into the GATE INPUT will create these envelope shaped sounds you know from other LPGs.Features:• Low-Pass-Gate based on an Analog Filter• Internal Envelope Generator• Adjustable Rise, Decay, Length, Fall Stages• Internal LFO• Gate Level CV• Loop Mode• Re-Trigger Mode• Use the Envelope and LFO with External Modules• Skiff Friendly• Wrong Polarity ProtectionDIY-Kit-Type:Panel/PCB Kit. This is a do-it-yourself panel/PCB kit, no parts are supplied, you will need to source them yourself.
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The 3394 Voice is a compact and flexible analog synth voice that packs a full signal chain into one module.VCO, VCF, VCA, envelopes, and noise. Based on the classic 3394 chip, it delivers rich analog tone with selectable square, saw, and triangle waveforms, routed through a juicy 24dB low-pass filter capable of self-resonance and pitch tracking. Two built-in envelopes shape both filter and amplitude, with switchable AD/AR modes for dynamic control. When unpatched, it acts as a constant VCO output, and the mix trimmer allows tonal variation by blending in a square sub, noise, or external signal. Ideal for melodic lines or snappy percussive sounds like kicks, snares, and zaps, the 3394 Voice is both a complete voice and a set of standalone building blocks for your Eurorack system.Features:• VCO with Triangle/Square/Saw waves• Lowpass resonant 24db filter• Square sub oscillator• Analog noise source• Built in VCA and 2 envelopes• Can also be used as separate Filter/VCO/VCA/Noise sourceDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
sold out at the moment
Hexa Core Slope GeneratorThe world of Envelope generators is a vast field where cultivating a new specie is a challenge that gets harder every day.We have lots of flavors to choose from: from classical ADSR to Serge-based Slope generators, through the newest digitally controlled multi-stage modules.The concept behind Fuji is not to create a new flavor, but to offer a big amount of the most primary envelope circuit along with some design decisions to make it a useful, immediate, and always musical tool.The slope of the envelopes is tuned with logarithmic Attack and exponential Decay. This configuration has been used for years as it follows the non-linearity of human hearing, keeping the dynamics changes always pleasant and natural to our ears.The range of both the Attack and Decay stages is symmetric, getting a minimum and maximum rise/fall time of either 1.5ms to 1.5s. This range has been also tuned to be musical and precise in most applications.Gate input chaining adds tons of flexibility to the patch. Groups of synced envelopes can be easily made with a few cables.Features:• Six channels• Fully analog AD envelope generators• Selectable Hold and LFO mode per channel• Daisy-chained Gate inputs• Envelope Level: 8V• Gate Input Threshold: 1.5VDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.