Mixer & Attenuation
only 2 left
Macro ControllerKNOBI is a multi-tool able to mix, attenuate, invert, display and multiply any kind of signal. Knobi can serve a wide range of purposes thanks to its internal signal path that makes use of some of the most useful building blocks of analog synthesis: a 4-channel mixer, a three-range offset, an attenuverter, a fixed manual gate and lastly a cascading multiple derived from the output stage of Agogô.a, b, c and d are Knobi’s inputs while r is a fixed 5v reference output. The toggle switch next to d sets the range of the offset - the big knob below the meter. Connect a signal into one of the inputs to visualize its voltage value in the three digits meter. Keep in mind that this reading happens post offset and attenuverter - the smaller knob with (-) and (+) indications.The pushbutton next to x4 adds a gate of 5v to the mix: with no input connected it will act as a manual gate output. Autopatch the r reference output into one of the inputs to use Knobi as a macro controller thanks the offset knob and switch to set the range and the attenuverter.x1, x2, x3 and x4 are all cascading copies of the final signal path. Plugging a cable will break the normalization and the multiplication will reset starting from the next output. Four cables plugged in will output a copy at the same factor x1 - unity gain - making Knobi a versatile buffered multiple.Features:• Thermally compensated 5v voltage source with dedicated output.• Four channel mixer with four buffered output.• Built in 3 digits voltage meter post mix / attenuation / inversion.• Offset with a dedicated three positions range toggle.• Manual gate button tied to the mix.• 4 cascading outputs in an open design configuration.• Unique signal path: mix - attenuate - invert - add - visualize - multiplicate.• “Whatever” power connector a.k.a. don’t mind the polarity.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.
only 2 left
ROSA is a multi-mode crossfader, scanner, and switcher that allows seamless morphing between up to four inputs and outputs. With its three operating modes (Scan, Wave, and Pass), you can easily shape and route signals to fit any patch.Features:• Scan Mode: Morph between up to four inputs with adjustable curves using the KNEE control.• Wave Mode: Independently control the four VCAs for complex dynamic changes.• Pass Mode: Route a single input (or mix multiple inputs) to up to four outputs, perfect for quadraphonic setups or parallel processing.• Infinite Analogue Potentiometer: For smooth, continuous transitions.• Global SHUT Control: CV-controlled mute for immediate silence.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
SINGOLI is a 7 channel DC coupled active combiner with an analogue transient detector output.All the inputs I are equipped with LED meters and a dedicated attenuating potentiometer.O will give you the combined mixed output.T is an additional transient detector out that will fire only when a certain threshold is detected from the sum of all the inputs.The toggle switch activates or deactivate the internal connection to Tutto&Sempre when the two modules are paired together thanks to the included JST cable.Features:• DC coupled mixer with 7 inputs and individual attenuators.• Intensity sensitive LED meters on all the inputs.• Analogue transient detector output.• Toggle switch to activate / deactivate its normalization to Tutto&Sempre.• “Whatever” power connector a.k.a. don’t mind the polarity.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.
only 2 left
TUTTO&SEMPRE is a stereo performance mixer with 4 channel strips, an active patchbay, individual VCAs, clickless mutes, individual post attenuation direct outs, a main balanced stereo output and two high fidelity headphones drivers with switchable stereo inserts.Features:• Four channel stereo performance mixer.• Signal path optimized for the integration between modular systems and outboards.• Versatile mixing frame with an active patchbay, stereo attenuators, paired VCAs and clickless mutes.• Line level balanced L and R output + combined stereo with master auxiliary input.• Two independent headphones drivers with switchable individual stereo preview input.• “Whatever” power connector a.k.a. don’t mind the polarity.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 ATT Passive Attenuator is a simple 2 channel attenuator that can be used to attenuate audio or CV signals. For example to level the volume of two audio signals or to limit modulation signals. This DIY kit is very beginner friendly.Passive module, no power required.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.
sold out at the moment
The ATT Passive Attenuator is a simple 2 channel attenuator that can be used to attenuate audio or CV signals. For example to level the volume of two audio signals or to limit modulation signals. This DIY kit is very beginner friendly.Passive module, no power required.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
D3MIX by Maffez is a passive triple level-module that lets you route signals between different paths in a clever way.First, your signal is routed between ground and a point "b", allowing you to cover simple tasks like signal starvation, attenuation, splitting and passive mixing. With creative patching you can also do some pretty interesting things like asymmetric modulations, which is illustrated and explained in more detail in the manual.Another mode lets you control between individual channels and a common "node", creating multiples in a flash, realising a 3-1 mixer or a 1-9 distributor. Experimental or pragmatic? Definitely both, and fun either way!Read more info and hear audio demos on the Maffez website. https://maffez.com/?page_id=2872Maffez developed this module in dialogue with Pedro Eustache, who uses some of the gizmos in his rack during the show "The World of Hans Zimmer" and the soundtracks of "The Mandalorian" and "Avatar: The Way of Water". Maffez said he would like to donate part of the income from the module to Omas for Future.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
Multiplikand is a compact routing utility module for Eurorack in 6HP. It takes Audio and CV, with optional DC filtering.At its core, Multiplikand offers four active precision multiples. Clever normalisation and a switch allow you to configure how the signals are summed.The module has pin headers in the back so you can break out from prototyping platforms like Arduino, Teensy, Daisy and Bela to Multiplikand's inputs with jumper wires.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.
only 1 left
Startup is a headphone amp, six-input mixer, tap tempo clock, divider & multiplier in 4hp. It's the perfect way to start a small Eurorack case. Full DIY Kit.Startup is designed to be the best way to start a small Eurorack case, featuring a Mixer, Clock & Headphone Amp. This is a really easy project for DIY newcomers, all the SMD components come pre-soldered and the PCB is programmed and testing prior to shipping. You just need to solder the buttons, jacks and pot. The Music Thing Modular ‘Startup’ is designed to be the best way to help start a small Eurorack case.This 4HP module does three things:1) It’s a 5 channel output mixer, with a spare channel for stereo signals (like a Korg Volca or a phone).2) It’s a nice clean headphone amp with two outputs.3) It’s a useful tap-tempo clock, with a second channel giving divided or multiplied clocks.The best way to understand Startup is with with the Quick Start Manual. (Use button below)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
• Vactrol Mix combines four audio or CV signals into two channels, determined by the random sequence. It’s a great way to create stereo effects, complex waveforms or feedback loops.• This expander is 4 in, 2 out vactrol matrix mixer controlled by the Turing Machine, connected around the back by a 16 pin ribbon cable.• There are four inputs, for audio or CV sources. The four knobs set the level for each input. Next to each knob is a pair of LEDs. When the LED on the left is lit, the signal goes to the left output. When the LED on the right is lit, the signal goes to the right output. The LEDs are controlled by the Turing Machine module. The two outputs are both doubled (mult-ed) to make it easier to patch feedback loops.• Despite being less popular or widespread than Pulses or Volts, this is my favourite Turing Machine expander. It is a unique device that turns mundane source material into wild, unpredictable but rhythmically accessible patterns of sound. It’s a great way to create stereo effects, shifting drones, complex waveforms or feedback loops, and can be the heart of small (but chaotic) system.• Vactrols are electro-optical devices; a light shining on a light-dependent resistor. They have an extraordinary history, from powering the optical soundtracks on the first sound films in the 1920s to studio compressors, the tremolo in Fender guitar amps, and many of Don Buchla's 1970s synth designs. Modern vactrols are an LED pointing at a cadmium light dependent resistor, sealed together in a little black plastic box. Because the LDR reacts relatively slowly, the signals cut together smoothly, with no clicks or pops. Unfortunately, the cadmium in light dependent resistors is banned in Europe, so Vactrols are becoming harder to find.• Feedback is where this module gets really interesting. Try sending the (bottom) left and right outputs to your output mixer, and the (top) left and right outputs to spring reverbs or delays, patching the delay/reverb outputs back into input channels. Carefully ride the input levels, and you'll get snippets of feedback. The main clock speed can have a huge effect on feedback levels, because it takes a while to build up.• There are lots of Vactrol Mix audio examples in my Soundcloud: Twenty Minutes of Madness, Contact Mic Feedback and this ancient track recorded using the breadboard prototype.• The Vactrol Mix is DC coupled, so you can also rhythmically cut up DC sources; mix LFOs at different speeds with audio rate oscilllators, and frequency modulating a pair of oscillators using the two outputs.• This module was inspired by Grant Richter's Cadavre Exquis voltage controlled mixer, which was inspired by André Breton's surrealist game Exquisite Corpse. Richter's mixer also inspired the RxMx module by Make Noise.• Jonathan Higgins, on Facebook: 'There isn't a patch I don't use it on. People often thing you can only use it for crazy stereo percussion (which it is amazing at). But I also often patch all four outputs from the humpback filter into it for evolving stereo drones.'• The Vactrol Mix is a very straightforward through-hole DIY build. If you get stuck, the Github Issue List is probably the best place to start - remember to check closed issues as well as open ones.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.
sold out at the moment
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
North Coast makes the Eurorack four-knob utility mixer sound great again with this minimalist design featuring just six transistors. Where a conventional mixer would typically require at least five operational amplifier units each containing a dozen or more transistors, we cut the complexity and distill mixing to its essence. This is a new design made with current components and modern manufacturing quality; but its Class A amplifiers operate on principles that go all the way to the dawn of electronic signal processing.Suitable for both audio and control voltages, with bonus features that don't compromise the minimalist philosophy: positive and negative offset; simultaneous DC- and AC-coupled outputs; maximum gain a little over unity for when you need that extra push over the cliff. It can also function as a transistor distortion effect, by offsetting the signal until it clips and then using the AC-coupled output.Features:• High-quality potentiometers with bushings fastened to the panel for wobble-free operation; conductive plastic for smooth feel• All-new design, not a clone or imitation of anything else• Classic discrete-transistor design style; DIY kit ships with silicon 2N5088 transistors for a clean modern sound, easily modifiable to use other recent or "vintage" types• 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; film output coupling capacitor; 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.
sold out at the moment
Dual Attenuverter with Sum OutputInverted output, 5v or 10v constant voltage when no input is connected.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 Petit Mix is a 3HP Eurorack mixer module with 4 inputs. Each input has its own level control and all inputs are DC coupled to allow for CV mixing as well as audio. There is a bi-colour led on the Frontpanel to indicate signal polarity for active channels. DC coupled, 4 Inputs, Low Noise, Bi-Color LED showing positive (green) and negative (red) voltages.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
Petit Mix is a compact 4-channel Eurorack mixer. The mixer delivers transparent sound and instant hands-on control in just 4HP. Built for clarity and workflow speed, Petit Mix features four top-to-bottom channel strips (input jack above fader) and a summed mix output. Smooth, linear-response faders make precise level adjustments simple. If you want to balance your audio sources, blending CV signals or shaping a live mix. Low-profile and designed for fast operation, Petit Mix is the go-to small-format mixer that keeps your patch clean and lets you focus on the sound.Features:• Four independent input channels with dedicated smooth faders for precise level control.• Summed mix output for clean stereo or mono routing.• Top-to-bottom channel layout (input jack above fader) for intuitive, fast workflow.• Linear-response faders suitable for both audio and CV mixing.• Ultra-compact 4HP footprint saves case space in crowded rigs.• Low-noise design preserves dynamics and clarity across sources.• Fast-access layout ideal for live performance and hands-on patching.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
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.
sold out at the moment
ATTENUVERT x6 is just what it sounds like - six attenuverters in one module!The module consists of six inputs, six outputs and six knobs. Each attenuverter can handle +/- 12V signals. All attenuverters are DC coupled.ATTENUVERT x6 is a very useful utility module for tuning in modulation amplitudes and polarities, but it can also be used to invert gate signals and attenuate audio signals.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.
available
OFFSET x6 is the perfect sibling to the ATTENUVERT x6 - six DC offset channels in a slim package!The module consists of six inputs, six outputs and six knobs. Each offset channel can offset AC or DC signals with +/- 5V DC. Without any signal connected to the inputs, the outputs generate adjustable +/- 5V DC voltages, which for instance could be handy for offsetting v/oct inputs on a VCO.OFFSET x6 is a very useful utility module for tuning in DC offsets for modulation. Many digital modules only accept unipolar modulation (only positive voltages), and many modulation sources are bipolar (positive and negative voltages). OFFSET x6 makes it possible to “shift” the +/- 5V signal from an LFO to instead being a 0-10V signal. Use it in conjunction with ATTENUVERT x6 to also shape the amplitude and polarity of your modulation sources.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.
only 1 left
ST MIXER XL is effectively an eight channel stereo mixer with a really good sounding headphone amplifier built in. It is designed to be the final output module of a larger system that you want to use with headphones and simultaneous recording via 1/8 inch stereo jack cable to a portable recorder.The module consists of four mono channels with level, panning and aux send control, and two stereo channel with level control and separate inputs for left and right. The stereo PHONES and LINE OUT outputs also have level control. The AUX output is a mix of the aux sends from the four mono channels. The OUT 1 is a buffered direct out from channel one, to feed to a looper for instance.ST MIXER XL is perfect for a larger system with up to four mono synth voices and a stereo effect. The headphone output can drive most headphones quite well and the line output is perfect for recording with a portable recorder or an audio interface.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.
sold out at the moment
Panning Stereo Mixer. ST MIXER is effectively a five channel stereo mixer with a really good sounding headphone amplifier built in. It is designed to be the final output module of a small portable system that you want to use with headphones or for recording via 1/8 inch stereo jack cable to a portable recorder.The module consists of three mono channels with level and panning control and one stereo channel with level control and separate inputs for left and right. The stereo headphone output also has level control.ST MIXER is perfect for a starter system with a couple of synth voices and a stereo effect. The headphone output can drive most headphones quite well and also doubles as a recording output to connect to for instance a Zoom recorder.Headphone output power: 6,4 mW @ 73 ohmsDIY-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.