VCA
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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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MUTE || VCA x6 might not be the smoothest of module names, however this module is a utility gem that packs a lot of punch per HP. In essence, MUTE || VCA x6 is six clickless and DC-coupled mute channels in 8 HP that can be used for muting virtually any signal within a Eurorack system. Each mute channel can be set on or off either by pushing the corresponding illuminated switch or by feeding it any signal that goes over +1 volt above ground.Six channels of mutes is surely a great thing, but what if you could configure each channel to be either a MUTE or a VCA? This module allows you to do just that! –(And this is also where the name comes from; || meaning OR)– On the back of the module there are six switches, one for each channel, and these can be set to either MUTE or VCA. This means that the module can be configured to any combination of MUTES and VCAs you wish. In VCA mode the CV input offers linear CV control over the VCA. The switch adds +5V to the CV input if it is activated, effectively making it possible to switch the CV input between bipolar and unipolar behaviour which is very handy when controlling the VCAs with LFOs.The inputs are also normalled against each other through the switched jacks, so connecting a signal into the first input cascades it to all other channels. This is perfect for sending one sound to different effects, or distributing a clock to several modules and having the option to turn the clocks on or off dynamically.Finally, with the mute switches laid out in a row to the right makes this perfect to mount to the rightmost edge of any Eurorack live system, enabling easy access to the mute switches during a live performance. All in all, this is by far the most flexible and feature packed module in the Sebsongs Modular “x6” utility series of modules!DIY-Kit-Type:SMD-Kit-2. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. It includes SMD and through-hole parts! For build guide, more info, videos etc. please check the buttons below.
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The Solar Gravity is an analog vactrol-based VCA designed to bring the lovely response of optocouplers into the realm of clean, performance-based Eurorack VCAs. Starting with this simple concept, the Solar Gravity utilizes some neat active circuitry to significantly reduce the bleed inherent in vactrol-based VCAs and to provide the user with lots of control over the level, direction, and response of incoming control voltage.Though it’s primarily designed for use with audio signals, the Solar Gravity can also be used to control the level of CV such as envelopes or stepped voltages with a unique vactrol response through its DC-coupled input.Features:• Offset knob for manual control of initial signal gain• CV attenuator and Slew controls for maximum control• True VCA: no lowpass filtering of input signals• Very low bleed when closedDIY-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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* * * Gemini's Path DIY is now discontinued! * * *This 6 HP skiff friendly amplitude processor is a very handy module to control the dynamics of two signals or mess with the stereo image. Based on a pair of high-end VCAs, an audio to trigger converter and a smart modulation source, the Gemini’s Path allows numerous operations such as decay/gate on amplitude, auto accentuation, side chain compression, auto pan and more!Features:• Dual VCA• Stereo / dual mono dynamic and pannig processor• Low noise and distorsion That Corp dual VCA core• Trigger detector section extracting gates & triggers from any audio / CV signal• 4 dynamic modes : pump, animated pump, expander and holder• 4 panning modes : LFO pan, random pan, auto-pan and granuliser• Simple VCA mode giving direct access to level and panning• Flexible control assignement : shared, dual or independent control with ability to load different modes for each channel• Audio and external inputs DC coupled• Unipolar CV inputs• User replaceable firmware chip• Digital jumper allowing to set dynamic modes sensible to triggers or gates• Current state storing• Skiff Friendly• Djtechtools rubber injected potentiometersDIY-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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Actually, it's a ST Modular's Franz'd Ripples, if you will. Like Franz, Werner is a filter with an internal mixer and LFO. Not as buttery as Franz, but still one of the best filters around.Features:• Analog Filter• 3 Filter Outputs: Low Pass 2-Pole, Low-Pass 4-Pole, Band Pass 2-Pole• VCA for Low-Pass 4-Pole• Internal LFO with three Waveforms: Triangle, Inverted Triangle & Square• LFO Reset, LED indicating LFO rate, LFO normalized to Filter Circuit• Apply three LFO waveforms at the same time• Attenuator for each LFO Wave or external CV• 3-Channel MOOG CP3 transistor based Mixer• Volume control for each Mixer Channel• 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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Unleash your creativity with Simple Fix, the rapid prototyping tool designed for synth designers, makers, and musicians. Powered by Daisy Seed microcontroller, Teensy, or Arduino Nano, it's your quick-start solution to bring ideas to life. Effortlessly add knobs, switches, and jacks, and dive into the limitless world of sound and functionality. Whether you're a pro or a passionate hobbyist, Simple Fix accelerates your design process, transforming inspiration into reality faster than ever. Start your journey towards groundbreaking designs today and unlock your creative potential with Simple Fix—where your next masterpiece begins.Features:• Programmable. All Simple kits come with the Daisy Seed microcontroller and access to our introduction to synth programming video course.• Open source instrument on Github.• Each kit comes with a video course teaching sound fundamentals: https://learn.synthux.academy/• Fits in your pocket.DIY-Kit-Type:SMD-Kit-2. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. It includes SMD and through-hole parts! For build guide, more info, videos etc. please check the buttons below.
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Discover Simple Touch, the go-to rapid prototyping instrument for synth enthusiasts, from designers to musicians. Featuring 12 touch pads, 6 potentiometers, two faders, and stereo input/output, all powered by the dynamic Daisy Seed microcontroller. Simple Touch is engineered to bring your sonic visions to life with precision and ease. Dive into a world where your fingertips command the future of sound, blending intuition with innovation. Ideal for both seasoned creators and passionate hobbyists, Simple Touch is your shortcut to prototype, experiment, and elevate your designs. Embrace the power of touch with Simple Touch, and transform your creative impulses into extraordinary musical inventions today.Features:• Programmable. All Simple kits come with the Daisy Seed microcontroller and access to our introduction to synth programming video course.• Open source instrument on Github.• Each kit comes with a video course teaching sound fundamentals: https://learn.synthux.academy/• Powerful music instrument for live performances.DIY-Kit-Type:SMD-Kit-2. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. It includes SMD and through-hole parts! For build guide, more info, videos etc. please check the buttons below.
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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.
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Strakal Orsel is a tube distortion module that injects organic, vintage character into a modular setup. True to Touell Skouarn tradition, control labels use Breton terminology, while input and output are marked with arrows for clarity.The unit’s topology offers flexible tonal shaping: the Triodenn selector changes the left tube between pentode and triode operation, altering the core sound. The Boukl Retroaktiñ control combines a feedback engage switch with a level pot that ranges from subtle thickening to full, screaming self-oscillation. Gounid sets the balance between the first and second stages. Ampled governs the amount of saturation. A dedicated CV input, Enkas Modulañ, lets external control influence feedback and overall level even when feedback is not engaged.Beyond straightforward distortion, the circuitry produces rich secondary behaviors. With feedback pushed wide the circuit behaves as a powerful effect oscillator whose pitch responds to CV (not calibrated to strict 1 V/oct tracking). With feedback off and conservative level settings, the unit exposes its tube noise floor and can operate as a raw, characterful VCA.Features:• Tube distortion module• Exposes tube noise floor for characterful texture• Can function as a crude VCA• Compatible with 6j1P, 5654, 6AK5 and EF95 tubes• Boutique construction, made in Plougastel-DaoulasDIY-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
High-Class Linear VCA & MixerIf you have been already into the Eurorack world for a while, I’m sure you have heard the sentence: “you never have enough VCAs” more than once.As an electronic musician, this has always been present. I can’t count how many times I needed an extra VCA with all of them already being used.I wanted to create an all-around, good-sounding, and handy VCA, small enough to fit on little systems but with a good amount of channels and functionality. And this is what Ceres is.Its core, the 3360, has been used for years in dozens of devices with remarkable performance. Sum it to a carefully designed 4-layer PCB layout, and we get a super quiet VCA in terms of noise and CV bleeding.The combination of daisy-chained inputs and mixed outputs achieves a vast range of possibilities. Several CV signals can modulate a unique source with every output mixed back at the final stage to create new waveforms and open the door to experimentation.Features:• Six channels• Low noise analog VCA circuits• Precise Linear response• Quiet signal path• Daisy-chained audio inputs• Mixing stage on channel 6• Unity gain CV level: 5V• Input Impedance: 100kΩ• Output Impedance 1kΩDIY-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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Dual summed voltage controlled amplifier and mixer in 2HP. It is a DC coupled OTA(LM13700) Dual Linear VCA based on the same fabled design of the VnIcursal VCA. The 2 VCAs are summed together so it can be used as a voltage controlled mixer at the “SUM OUT” or all 3 outs can be used separately and simultaneously. 5 volts into the CV in will provide unity gain, anything above 5 volts can clip the input.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.
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This is the panel PCB version of this kit.Dual summed voltage controlled amplifier and mixer in 2 HP. It is a DC coupled OTA (LM13700) Dual Linear VCA based on the same fabled design of the VnIcursal VCA. The 2 VCAs are summed together so it can be used as a voltage controlled mixer at the “SUM OUT” or all 3 outs can be used separately and simultaneously. 5 volts into the CV in will provide unity gain, anything above 5 volts can clip the input.DIY-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 Push VCA is a 2 Channel DC Coupled Mute Eurorack Module in 2 HP. It features 2 independent unity gain DC coupled VCAs with led push button mutes. A mix of both channels is available at the sum, but all outputs are available simultaneously. The newest version has normalizations to +5v, so with nothing plugged into the ins voltage can be toggled on and off at the outputs and up to 10 volts can be output at the sum. The buttons are latching, not momentary push buttons. LED button color may vary, but it will always be two of the same color.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.
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This is the panel PCB version of this kit.The Push VCA is a 2 Channel DC Coupled Mute Eurorack Module in 2 HP. It features 2 independent unity gain DC coupled VCAs with led push button mutes. A mix of both channels is available at the sum, but all outputs are available simultaneously. The newest version has normalizations to +5v, so with nothing plugged into the ins voltage can be toggled on and off at the outputs and up to 10 volts can be output at the sum. The buttons are latching, not momentary push buttons. LED button color may vary, but it will always be two of the same color.DIY-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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This is the panel PCB version of this kit.VC F3DB stands for Voltage Controlled Fixed Filter Feedback Distortion Bank. The simplest description is it’s an analog 16hp six band voltage controlled fixed filter bank. But with the additions of so much gain, clipping, feedback, and self-oscillation it becomes a very flexible and unique gestural sound sculpting tool capable of; graphic equalization over 6 octaves, multi-band distortion, spectral processing, crude vocoding, multi-frequency envelope following, self-modulation, and even as an instrument on its own. With no input it can be used as a pseudo chaotic “harmonic” feedback oscillator.The filter frequencies were specifically chosen to emphasize more ambiguous and dissonant intervals. Although the frequency bands are spread out over many octaves I purposely tried to leave out “3rds” besides a major 10th at the top frequencies to even out all the dissonance below. But the frequencies aren’t exactly equal tempered, so it’s relative. The bands roughly equate to F2, B3, F#5, C6, F7, A8.The design is based on the Moog 914 filterbank, which it borrows the frequency bands from. But this circuit uses active filters with opamps inspired by YU Synth opposed to passive cells using inductors on the original. The 88hz is a low pass -24db/oct and 7k is a high pass -24db/oct, the rest are -12db/oct band pass filters all with a Q around 4.The hard and soft clipping circuit on the input is fairly standard which appears in many different iterations of classic guitar pedals. But it has a lot of gain and can even boost line level signals. What makes it a bit unique is the feedback on the clipping circuit which needs to be turned on by the GFB(gain feedback) switch and the amount can be controlled by the Gain FB pot which can add some fuzz/bite to the signal depending on which clipping switch is engaged or at the extremes it will self oscillate from audio rate to LFO sort of clicking range. All the clipping stages in the module are using silicon diodes.Consult the Signal Flow Chart to the left for a rough visual breakdown of the controls,in/outs,normalizations, and optional settings for the module.Each band can also be muted by the top toggle switches or clipped (at the VCA) by the top slide switch which makes this design a bit different than other filter banks. As well as the overall feedback section(bottom middle) takes the sum/all bands out through a VCA (controlled by the feedback pot and FB CV) back to the input gain/clip circuit. and you can also tap into this using different sends/bands to the FB In jack to break the normalization. With this extra feedback “resonance” you can get more whistley and howly filter sounds kinda like the Serge res eq, which can also go into self oscillation.All CV ins are expecting +5v to open the VCAs (they wont respond to negative voltage), once you get closer to +8v or so it can clip the VCA regardless of the gain settings or clip switches. Output amplitude in high gain settings will exceed 10vpp and can get up to 20vpp. The envelope followers tend to stay around 0-5v out, but with clip switch active they can go up to 10v.Since this is a high gain module there can be bleed between the bands in certain configurations and situations. Also in high gain modes with higher frequencies the 2.8k and 7k bands can bleed a little with the VCAs closed.This is a highly involved DIY all through hole project. It is a long build with 5 different pcbs to solder and assemble.DIY-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 Vnicursal VCA is an 6 Channel VCA Eurorack Module in 8 HP. It the smallest, most compact Voltage Controlled Amplifier in the Eurorack market. It provides 6 OTA(LM13700)-based DC Coupled Linear VCAs for Audio or CV. The 6 VCAs are summed together so it can be used as a voltage controlled mixer. Each VCA is normalled to the sum so they can be removed from the mix and used on their own. The potentiometers control the amount of gain, and when a voltage is inserted into the CV in the potentiometers act as attenuators. With a control voltage of 5 volts the VCA will be at unity gain, anything above that can clip the input. LED brightness with or without CV in provides constant feedback of each channels amount of gain.The Vnicursal is not a perfect scientifically spec’d VCA. Analog VCAs can only close so much, or be so silent. In certain situations based on power supplies and gain stages the VCA can experience some bleed or noise mainly at the sum out as all channels are passively summed then buffered.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.