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Notes: Really smart integration of macro controls for Eurorack, based on the original design by Emblematic Systems. Assign settings to eight CV outputs then morph with the crossfader or record movements to manage presets or set up complex real-time modulation. Can also operate as Catalyst Sequencer.

Supplier's Notes:
The Catalyst Controller is a macro controller with eight precision CV outputs and a responsive crossfader to morph between scenes. A scene is a snapshot of up to eight CV outputs, like a modular preset. Traverse a "pathway" composed of multiple scenes using the crossfader or an external CV signal, or immediately jump using the scene buttons. Record CV and slider movements, and play recordings back via a button or external trigger.

Each output has sub-millivolt precision and a maximum range of -5V to +10V. Channels have an adjustable morphing curve, can be quantized to common scales, restricted to a particular voltage range, or set to output gates.

Whether used as a CV preset manager, seamless transition generator, chord sequencer, CV recorder, or experimental CV playground, the Catalyst Controller puts control of your modular at your fingertips.

The Catalyst Controller can also turn into a Catalyst Sequencer! Hold down a special button combination to change between controller and sequencer modes. If you end up liking the Sequencer more, you can even remove the double-sided faceplate, flip it over, and re-install with the Sequencer artwork visible.

Based on the original Catalyst module from Emblematic Systems.

Specifications:

Smooth, responsive crossfade morphs between scenes
Eight output channels, each can be CV or Gate
Arrange scenes into pathways of up to 64 scenes
Smooth, responsive crossfader morphs from scene to scene along the pathway
Set slew/lag to limit how fast scenes can change
Adjustable Morph time per output
Control crossfading with an external CV
Record and playback up to 20 seconds of CV and crossfader motion
CV outputs can be set to -5V to +10V maximum, or limited to +/-5V, +5V, +3V, or +1V
CV outputs can be unquantized (sub-1mV resolution), or Quantized to common scales
Randomization of channel values/gates
Copy/paste
Based on the original Catalyst from Emblematic Systems

Pairs with: 4ms Catalyst Sequencer

Notes: The Catalyst Sequencer combines a traditional clocked step-sequencer with an unconventional phase-based sequencer to produce a new paradigm in sequencing. Eight precision CV sequencer channels can be simultaneously driven by a clock, a phase CV, or scrubbed manually with the crossfader.

Each of the eight channels has its own sequence length, quantizer, transposition, clock divider, randomization, voltage range (max -5V to +10V), and selectable CV (precise 16-bit resolution) or Gate mode.

Phase-based sequencing is an advanced form of sequencing where each step is selected by CV. The Catalyst Sequencer has a smooth, responsive crossfader that scrubs the sequence, playing it forward or backwards to track your motions. Patching in a CV signal will do the same: a ramp-up CV plays the sequence forwards, a ramp-down plays it backwards, a triangle plays it ping-pong, and complex waveforms generate new interesting rhythmic and melodic patterns.

The Catalyst Sequencer can also turn into a Catalyst Controller! Hold down a special button combination to change between sequencer and macro controller modes. If you end up liking the Controller more, you can even remove the double-sided faceplate, flip it over, and re-install with the Controller artwork visible.

Based on the original Catalyst module from Emblematic Systems.

Pairs with: 4ms Catalyst Controller

Notes: Two channel expander for Bartender

Mixer section

Each channel has the following:

Stereo or mono - Each channel can be treated as a stereo channel or a mono channel with two summed inputs.

CV inputs for both panning and level control

Two send buses - You can route each channel to one of two send buses. Each send bus is stereo. You can choose if you want the send to come before or after the level/panning controls.

Mute - The mute has both latching mute (up) and a momentary mute (down). The mute uses a capacitor to slow the turn off and on of the mute action. So it is mostly click-less, but you may find an occasional pop.

Cue bus - You can route each channel to the cue bus.

Expandable Mixer Series

Bartenders can be cascaded to create 8ch, 12ch, or 16ch mixer. The main level is what is sent the main level control can act as a group control.

Barbacks can be added to add 2ch to your mix. Barbacks can also be cascaded enabling up to a 16ch mixer configuration.

Send-VCA can be added for CV control of the level of the send.

DVCA, Cast Iron, Mingles, and USB-2CH can all be connected with Dupont cables (aka female to female breadboard cables) via pin headers on the back of the modules. Connecting the in and out pins will send/receive the audio into the next module.

Width: 10hp
12V: 125mA
-12V: 100mA

Notes: Neatly implemented performance mixer with four stereo channels. CV control of level and pan, two pre- or post-fader stereo send busses, quiet mutes and cueing via a front-panel headphone socket.

Supplier's Notes:
Four channel stereo production mixer

Mixer section

Each channel has the following:

Stereo or mono - Each channel can be treated as a stereo channel or a mono channel with two summed inputs.

CV inputs for both panning and level control

Two send buses - You can route each channel to one of two send buses. Each send bus is stereo. You can choose if you want the send to come before or after the level/panning controls.

Mute - The mute has both latching mute (up) and a momentary mute (down). The mute uses a capacitor to slow the turn off and on of the mute action. So it is mostly click-less, but you may find an occasional pop.

Cue bus - You can route each channel to the cue bus.

Mains Section

Two stereo sends outputs
Two stereo returns - which can also be used to directly insert into the main mix.
Main stereo outputs - level controlled with the slider and stereo VU meter.
Main mono output - summed output of the main L&R. If you are after an 8ch mono mix, you can use each channel in stereo mode, use the level control to control the level and then pan control to control the levels of the two channels.

Cue Section

1/4" Headphone jack along with level control
Fader control to listen to the main mix, cue mix, or an adjustable mix of the two.
Expandable

Bartenders can be cascaded to create 8ch, 12ch, or 16ch mixer. The main level is what is sent the main level control can act as a group control.

Barbacks can be added to add 2ch to your mix. Barbacks can also be cascaded enabling up to a 16ch mixer configuration.

Send-VCA can be added for CV control of the level of the send.

DVCA, Cast Iron, Mingles, and USB-2CH can all be connected with Dupont cables (aka female to female breadboard cables) via pin headers on the back of the modules. Connecting the in and out pins will send/receive the audio into the next module.

Width: 24hp
12V: 260mA
-12V: 225mA

Notes: A simple VC panner with CV-controlled level. The left input normals to the right input to give an easy way to add panning to a mono signal.

Expandable

Bartender, Barbacks, DVCA, Cast Iron, Mingles, and USB-2CH can all be connected with Dupont cables (aka female to female breadboard cables) via pin headers on the back of the modules. Connecting the in and out pins will send/receive the audio into the next module.

Width: 4hp
12V: 40mA
-12V: 40mA

Notes: Dual three channel voltage controlled panning mixer

Mixer section

Channel 1 and Channel 2 are three channel mixers with potentiometers to control level of three different inputs for each channel. Each channel then has a potentiometer to control panning as well as CV control for panning and level control

Panning and VCA

The VC panners are equal loudness panning and the VCAs for each channel are linear response.

Built-in LFO

There is a built-in LFO that is normalled to the panning CV input of each channel. CH1 gets the standard LFO and CH2 gets an inverse, enabling alternating channel panning. The default is to use a TRI wave for the LFO, but there is a jumper on the back to switch it to SQU.

Width: 12hp
12V: 140mA
-12V: 120mA

Notes: This is an expander for Bartender and Barback, enabling CV control of the level of the send bus of up to 8 channels.

Each section of four jacks has a cable to connect to the mixer modules. To get 4 channels to work with Barback you want to connect it to the last Barback in the chain of two. It will then pass along channels 3 & 4 to the next Barback.

Dimensions
2 HP

Current Draw
Module does not draw current

Notes: Two channel USB module.

Standard Mode - Send two channels into your USB device and receive two channels from USB.

Insert Mode - Send two channels to your USB device and get a copy of the sent signal in the outputs.

Toggle between the modes via a pair of jumpers on the back. The USB-B to USB-A cable is provided with the module. Why use the cutting edge USB-B? I felt the jacks were way more sturdy than mounting USB-C jacks vertically.

Expandable - Bartender, Barbacks, DVCA, Cast Iron, Mingles, and USB-2CH can all be connected with Dupont cables (aka female to female breadboard cables) via pin headers on the back of the modules. Connecting the in and out pins will send/receive the audio into the next module.

Width: 4HP
12V: 10mA
-12V: 10mA

Notes: Another banger from ALM. Based on the oscillators from the classic 1980s Casio CZ series, the Cizzle uses phase distortion synthesis for characterful, FM-adjacent synth tones.

Supplier's Notes:
The 'CIZZLE' is a dual digital 'phase distortion' VCO inspired by the classic Casio 'CZ' series synthesizers. It brings the specifics of 'CZ' style phase distortion (PD) synthesis into Eurorack with the inclusion of primary and secondary oscillator layering and detuning (with up to 8 voice chord generation), extended morphable PD wave generation algorithms, unique resonance wave generation, plus specific 'end of chain' ring modulation and noise modes that are key to the CZ sound.

The voices also feature built in VCAs and various modulation controls and inputs, a cv-able chord mode, tracking ability, triggered mode switching and can be output independently or mixed with stereo widening.

The 'CIZZLE' finally brings characteristic CZ style synthesis to Eurorack with a rich palette of sounds from mellow ambient tones, 90s Detroit Techno inspired chords, Reese style basses, and synth tones with unique faux resonance squelch.

Ideal For

Flexible and precise primary digital voice duties in a Eurorack system.
Creating basslines, rich chords, drones, morphing tones, percussive hits etc.
Unique digital squelch.

Tech Specs
Supply: +12V 65mA / -12V 25mA
Size: 16HP
Depth: 32mm

Notes: Really clever stuff here. The Octaves VCO takes an additive approach, layering harmonics on top of a fundamental frequency to create complex tones. Control the six bands via CV to adjust the harmonic content.

Supplier's Notes:
A harsh and funky take of an additive Oscillator.

Pile up multiplications of your frequency to get a lo-fi-retro wall of squared sound!

You get six doubled frequency pulses, or octaves, with common PWM and volume control for each of them.

The output of each is cascaded to the next one, so you can either have one output with all frequencies or break the chain and get several sums and modulate each independently!

Features
Six bands, multiple of the base frequency.
Square wave oscillator with Octaves selector PWM control and sync.
Range control for Tune pot.
Volume CV control and individual output for each band
Cascaded summing outputs.

Specifications
Current needs: +12V: 110mA, -12V: 84mA
Width: 12 HP
Depth: 22mm (assembled and DIY), including power connector
Aluminium, heat-treated front panel
Designed, kits prepared and completed modules assembled in Barcelona

Notes: Space-conscious lowpass filter and volume processor.

A combination of VCF + VCA + Mixer that lets you mix three different sound sources, and shape their tone, and levels in a breeze.

The Pony Filter is built around the SSI2144 FATKEYS Chip. Has the elegant sound of the classic transistor filter without the associated distortions, due to Dave Rossum's "improved ladder" topology.

Features

3 Channel Mixer (Out normalized to channel three for feedback)
Temperature-compensated Q and frequency.
Compensated Volume VS Resonance
2 Cuttof CV INs.
CV 1 Selectable routing Cut-Off or Cut-Off+VCA
Voltage controlled Q
Two Segment Peak Meter

Specifications

Four-pole, 24 dB/octave
Current needs: +12V=50mA, -12V=45mA
Width: 6 HP
Depth Assembled Version: 22mm
Depth DIY Kit Version: 40mm
Designed, kits prepared and assembled in Barcelona.

Notes: Neat little interface module to help pad controllers play nicely with Eurorack. Hook up a device like a Launchpad or APC and jam out rhythms with retriggering options, dynamic control and MIDI sync.

Supplier's Notes:
Triggerpad is a dynamic trigger/gate sequencer in eurorack format on only 6hp. A USB MIDI controller with an 8×8 grid like Launchpad or APC is used to display and edit the patterns (see the list of compatible controllers). The user experience is tailored to live performance and detailed composition: dial in simple rhythms or complex polyrhythms, retrigger at audio rate, create dynamic percussions with velocity triggers or use longer pulses to create steppy modulations.

By using USB MIDI controllers that you might already have and maybe not use anymore, we avoid producing more plastic. Give your old gear a second life!

Dimensions & consumption

Width: 6hp
Depth: 39mm
+12V: 120mA (without USB MIDI controller connected)
-12V: 20mA
5V: 0mA
USB MIDI controllers consume up to 150mA on +12V

Connectivity

8 dynamic trigger/gate outputs (0-10V)
USB MIDI Host
Clock in
Clock out
Reset in
Reset out

Compatibility

Launchpad Pro Mk3
Launchpad X
Launchpad Mini Mk3
Launchpad Mini Mk2
Launchpad Pro
Launchpad Mk2
Launchpad S
APC Mini Mk1
APC Mini Mk2

Notes: E4 Encoder Controller

The E4 is a controller with four rotary encoders.

The encoders look like normal potentiometers, but you can turn them endlessly in either direction. (Don't be fooled by the knobs, which do have a pointer).

This allows for a wide range of applications and great flexibility.

Each encoder is surrounded by a square of 32 multicolor LEDs. This LED ring is used to indicate the current value of the encoder. And it looks really great! The LEDs help you to give you an orientation by displaying the current value.

Each encoder contains a push button, which can be used just like those on the P2B8 or on the B32.

The E4 is perfect for mapping many different functions or presets to one encoder and then switch with the buttons of a P2B8 or B32 to some other context. Because of the LED rings you instantly see the current value after switching. And other than with pots, no "picking up" of the value is needed.

Furthermore, the nature of the encoders allows for some useful features, for example:

Create a "multi turn" pot, that needs to be turned several rounds for going through the total range (which allows for a finer selection).
Enable a mode where a slow movement of the encoder changes the value even slower, so it allows for instant fine tuning.
Use an encoder as a switch with a fixed number of positions (the LEDs visualise that)
Select a bipolar value with proper visualisation by the LEDs.
Use an encoder for "strumming", where you get triggers when it is turned.
As a bonus, there is a circuit called encoquencer, that allows you to build a melody sequencer based on the encoders and LEDs of the E4. It has the same features as the sequencer that is based on the motor faders of the M4 (motoquencer).

Power consumption:

+12V: 220 mA when all LEDs are white, 53 mA during normal use case
-12V: 0 mA
5V: 0 mA

Hint: The LEDs only shine fully white when you set them up to do so in your DROID patch. As long as you use the encoders in a normal way, the LEDs display colored light which is not as bright, so the power consumption is much less under normal circumstances.

Dimensions
6 HP
23 mm deep

Current Draw
53 mA +12V
0 mA -12V
0 mA 5V

Notes: Expander for the DROID with 4 pots and 2 buttons

The P4B2 controller provides 4 potentiometers and 2 push buttons for free assignment to any of the DROID's parameters.

Each potentiometer outputs a value between 0 and 1 and can be used for controlling every aspect of the functions of your DROID patch (configuration), such as the speed or depth of an LFO, the pitch of a sequencer step, all aspects of an envelope, clock division and multiplication and much much more.

The buttons can be used as momentary or toggle buttons, if you like with three or four states. Or you can group several buttons together so that they work like "radio buttons". Buttons can be used for various tasks like switching between different behaviours, selecting wave forms, switching steps of a step sequencer, changing the root or scale of a quantizer or chord generator and much more. Also you can use buttons for overlaying a single pots with multiple switchable functions.

You can attach up to 16 controllers to one DROID master. This is done with a 6 pin ribbon cable. This module gets its power from the DROID master.

Besides the P4B2 there are many other types of controllers for the DROID.

Dimensions
5 HP
25 mm deep

Current Draw
11 mA +12V
0 mA -12V
0 mA 5V

Notes: TRS Split - CV/Audio signal distributor

TRS Split is a multipurpose CV and audio signal distribution module. It has three 3.5 mm TRS (tip/ring/sleeve - stereo) jacks and six ordinary 3.5 mm mono jacks.

It contains 3 identical sections set up as following:

Upper jack carries the tip signal
Middle jack carries the stereo/dual signal
Lower jack carries the ring signal

Each section can either split a stereo signal into two mono signals or join two mono signals into one stereo signal. The module does not have any active components and does not need a power supply.

Use cases:

When you plug a stereo signal carried by a stereo (TRS) cable into the middle jack, you receive two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. That way you can attack an "AUX" cable such as from your smartphone to your modular.

Or the other way around: Send two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. Receive a stereo signal at the middle jack to be used with a stereo (TRS) cable.

Converting from stereo to dual mono and back allows you to alter the two sides of a stereo signal with different effects/filters.

Some tuners such as the Korg NTS-2 accept inputs to tune two oscillators combined in one 3.5 mm stereo jack. With one splitter you can easily feed two VCO signals into such a tuner.

Switching sides

Two splitters can be used to switch tip and ring (left and right): Plug in a stereo cable in the middle jack of the first section. Connect mono cables to the upper and lower jack of the first section. Then connect the upper mono cable of the first section to the lower mono jack of the second section and the lower mono cable of the first section to the upper mono jack of the second section. The signals are switched. Plug a stereo cable in the middle of the second splitter and you're good to go.

Hint: This also works for MIDI signals. If you use MIDI over minijack, there are two standards A and B - some manufacturers use A some B - thus not all connections are working. Now you can easily switch between the standards using the TRS Split.

Note: The MIDI input of the DROID X7 automatically detects A and B, so there is no switching necessary. The MIDI output of the X7 can be set to A or B with a switch on the back of the module.

Stereo multiple setup

If you have a separate multiple in your modular, you can use the TRS-SPLIT to create a 1:2 stereo multiple as follows:

Plug a stereo cable in the middle jack of section 1, patch the mono cable from the upper jack into section 1 of your multiple (e.g. a 3/3/3 multiple) and feed two of the outputs back into the upper jacks of section 2 and 3. Do the same with the mono cable coming from the lower jack of section 1 going into the second section of a 3/3/3 multiple and patch two cables back into the lower jacks of section 2 and 3 of the TRS Split. Now the middle jacks of section 2 and 3 both carry the stereo signal.

Dimensions
2 HP
22 mm deep

Current Draw
Module does not draw current

Notes: TRS Tool - Stereo/Dual CV/Audio/MIDI signal multipurpose module

TRS Tool is a multipurpose CV and audio signal distribution module for working with 3.5 mm stereo jacks (tip/ring/sleeve). These jacks are common for stereo audio but also for MIDI.

The TRS TOOL has no active components and does not need a power supply. It contains 3 different sections set up as following from top to bottom:

TRS Split
The upper jack carries the tip signal
The middle jack carries the stereo/dual signal
The Lower jack carries the ring signal

Use cases:

When you plug a stereo signal carried by a stereo (TRS) cable into the middle jack, you receive two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. That way you can attack an "AUX" cable such as from your smartphone to your modular.

Or the other way around: Send two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. Receive a stereo signal at the middle jack to be used with a stereo (TRS) cable.

Converting from stereo to dual mono and back allows you to alter the two sides of a stereo signal with different effects/filters.

Some tuners such as the Korg NTS-2 accept inputs to tune two oscillators combined in one 3.5 mm stereo jack. With one splitter you can easily feed two VCO signals into such a tuner.

TRS Quad Multiple

Multiply a stereo signal. Four TRS jacks to be used with stereo minijack cables.

Use cases:

You could use this to multiply the signal for headphones - listen to patches together.

Or create sends - route one (or two) stereo signals to effects and use the third one as dry signal going to the mixer.

Experimental: multiply a MIDI signal to two or three receivers: NOTE: depending on the output power of the MIDI sender and the power draw of the MIDI receivers this might or might not work. MIDI uses a current of typically 5 mA instead of voltage levels for data transmission. So when you attach too many devices to one output the current might not be enough to drive all of them. So this is strictly spoken not covered by the MIDI standard, but might work anyway.

A/B Swapper
The bottom section of the module consists of two connected TRS jacks.
Whatever signal applies to the tip in jack A will be routed to the ring in jack B.
Whatever signal applies to the ring in jack A will be routed to the tip in jack B.

Use cases:

Switch the left and right side of a stereo audio signal.

Switch between MIDI standard A and B: If you use MIDI over minijack, there's two standards A and B - some manufacturers use A some B - thus not all connections are working. Now you can easily switch between the standards using the TRS Split.

Note: The MIDI input of the DROID X7 automatically detects A and B, so there is no switching necessary. The MIDI output of the X7 can be set to A or B with a switch on the back of the module.

Dimensions
2 HP
22 mm deep

Current Draw
Module does not draw current

Notes: The Output Bus is your ultimate output module: Presented by DivKid and Befaco, meant to be the last link in your modular chain!

Inspired by pro audio and studio summing units the Output Bus allows for summing style mixing, external gear integration, soft clip limiting, flexible output types, headphone monitoring and level visualization.

The module works great mixing all your other mixers in your setup, to return mono or stereo FX into the master bus and for bringing in external stereo line level gear with ease. All of this in just 8HP while also being able to visualize your final levels, output appropriate signals on the right cable type and monitor in headphones.

Features:

Six stereo inputs.
Line/synth selector in input six.
Modular level minijack out.
6,5" Jack balanced out.
Minijack and 6,5" phones out.
Led Vu-meter.
Soft clipping circuit at main output.

Speculations:

Current needs: +12V: 70mA, -12V: 68mA
Width: 8 HP
Depth: 30mm including power connector
Designed, kits prepared and assembled in Barcelona.

Notes: Six-voice (or three stereo channel) mixer in a small format, the Supamix takes a straightforward but highly effective approach. Swap functions allow for creative approaches to mutes, randomisation and sequencing.

Supplier's Notes:
A compact stereo line mixer created with live performance and space optimisation in mind. This 6-channel stereo mixer has a fully analogue audio path with 2 VCAs per channel controlled by fines tuned analogue envelopes to minimise mute clicks. It also embeds a unique mute swap function with 6 modes allowing you to automate muting.

Supamix is a compact stereo line mixer designed for live performances and space optimization.
This 6-channel stereo mixer features a fully analogue audio path with 2 VCAs per channel and finely
tuned analogue envelopes for vactrol-like muting control minimizing mute clicks.

Supamix also includes a unique mute swap function with six modes, offering versatile
mute automation possibilities.

The mixer is designed with a variety of input options to accommodate different needs while
being compact:

- Inputs 1/2 have manual pan controls for placing static sounds within the mix.
- Inputs 3/4 have CV pan controls to moving sound sources in the stereo field
- Inputs 5/6 are stereo, making it easy to mix modules with stereo outputs (right input is normalized to the left) to mix the growing catalogue of stereo modules.

A header on the back allow you to use the L output as a TRS stereo output. Another header is here to link the Supamix with the O phone/line module.

The Swap functions on the modules are both useful for transitioning between sound scenes or creative applications. To change the swap modes on Supamix, press the Shift button and one of the mutes. If you press the Swap button, it will activate the swap manually. The following are the swap modes available.

1 -> Scene change gate : Reverse the mutes states when a gate is high
2 -> Scene change trig : reverse the mutes state when trigged (or if the swap button is pushed)
3 -> Binary counter : CV input between 0 and 5v will correspond to a 6 bit binary counter. At 0v mutes will be all oo, 5v will be all open. And it will count as follow :100000 010000 110000.....
4 -> Randomizer: Trigg to randomize the mutes. You can change the probability of having the mutes on by using a trigger between 2 and 5v.
5 -> Sequencer: Trig to go one step further. It reverse the current step mute state.
6 -> State rotation: Rotate the mute state 0v there isn't rotation, 5v is a full cycle rotation. This shift the mutes state (last one goes to first one)

Main features:

6 voice mixer
Manual pan on 1/2
CV pan on 3/4
Stereo inputs on 5/6
Unique mute swap functions
Linkable to the O output module

Some applications:

Compact case line mixer
Creative mute switching/sequencing
Feedback R out to one of the cv pan input to cv control feedback distortion

Technical details:

10 hp
Fully Analogue signal patch with 12VCAs with envelopes on each.
Skii friendly
Reverse power protection

Notes: The "uMM" combines a MIDI merger and two independent THRU distributors in a module that is only 4 HP wide. All sockets on the module are in MIDI TRS-B format.

At the heart of the two-input MIDI merger is a small, powerful ARM processor with plenty of buffer memory. Two MIDI streams are mixed to one output and can also be tapped via an additional second output. Two LEDs signal the operation of the merger: one LED indicates MIDI activity at the inputs, and a second LED warns of too much data at the inputs.

The second group of functions consists of two independent, separate MIDI THRU distributors. The MIDI data at the respective MIDI input can be picked up and distributed at the three THRU outputs. If required, a 1-to-5 distributor can be created from the two units by connecting an output of the left group to the input of the right group.

Features:

4x MIDI IN (TRS-B)
2x MIDI-OUT (TRS-B)
6x MIDI-THRU (TRS-B)
Powered via Doepfer connector

Notes: Advanced generative sequencer featuring mutes per channel and transposition facilities.

Akropoli is an extension and enhancement of our successful Little Melody and High Towers modules, offering the features of both of these modules as well as some of it's own unique features such as mute buttons per channel, manual transpose knob and 1V/oct transpose CV input. Akropoli operates using Frequency Central's proprietary TOOL V2 code, and can count in integers as well as multiples for even more subtle and evolving variations.

Akropoli is a generative sequencer based around clock divisions and a chromatic quantiser, used to create in-the-moment licks and riffs. It is more that the sum of it's parts.

Akropoli's internal operations can be considered as 4 clock dividers patched into a CV mixer via attenuators. The attenuators select notes over a 5 octave range, the clock dividers determine how often those notes are added to the mix. The final output of Akropoli is quantized chromatically for fast set up and continuously pleasing results. Akropoli has an onboard transposition knob, as well as a 1V/oct transposition CV input.

The 4 clock dividers are labelled A, B, C, and D. They all receive clocks from the same source, the divisions may be selected using the presets and the individual division selectors. The clock dividers can be set to count up, down, or to one of a variety of modes that move between counting up and down. For further information on Presets and Modes see the Little Melody User Guide.

Additionally, each clock divider has it's own binary output (either high or low), these 4 outputs can be used to clock/gate/trigger other stuff on other modules to great effect.

Product Specifications

12V draw
50mA

-12V draw
36mA

5V draw
0mA

Depth
35mm

Notes: Arcade performance buttons for gating and actuating.

You can use Asteroids in two different ways:

Gate generator using the two outputs. A 5V gate will be output when the relevant button in pressed.

Momentary manual actuator. Whatever is present at the relevant input will be output when the button is pressed.

Product Specifications

12V draw: 7mA
-12V draw: 0mA
5V draw: 0mA
Depth: 25mm
Width: 8HP

Notes: A couple of years back, Frequency Central developed Cosmic Background as a standalone percussion voice. The concept was to bundle all required sub-modules behind one panel, pre-patched, yet also fully modular, with each sub-module having its own inputs and outputs. This proved to be a very popular product, but Frequency Central decided to replace Cosmic Background's noise generator with a VCO (and do a few other tweaks), creating a cute little fully modular synth voice ripe for sequencing - and that's how Dark Star was born!

Dark Star consists of 4 sections:

Voltage Controlled Oscillator based on AS3340 with sawtooth, triangle and pulse waveforms
Voltage Controlled Filter with lowpass and highpass options, Drive control, Sweep control which attenuates amount of Release CV
Release generator with CV input for voltage control of release time. Option for sustain via jumper on rear panel.
Voltage Controlled Amplifier
Together they form a pre-patched super versatile analogue synthesiser voice.

Additionally, each section is fully modular in it's own right, so there are patch points for:

1V/oct CV input
PWM CV input - attenuator doubles as manual pulse width when no external signal is present
Gate input for Release or Sustain/Release
Release CV input for voltage control of Release time
VCF audio input with attenuator, for introducing external audio
VCF CV input with attenuator (1V/oct CV is normalised to this input)
VCA audio input (VCF is normalised to this input)
VCA CV input (Release CV is normalised to this input)
Release CV output
VCO audio output
VCF audio output
VCA audio output

Here are some useful patches to try:

Release CV output to PWM CV input, for swept PWM
VCF OUT to VCF IN, thickens and further overdrives the filtering
VCO OUT to VCF CV input, for fizzy FM of the filter
Use a multiple to patch 1V/oct to Release CV input, lower notes will have longer release, higher notes will have shorter release

Product Specifications

12V draw: 28mA
5V draw: 0mA
-12V draw: 28mA

Depth: 35mm
Width: 16HP

Notes: Turn that frown upside down - or make that negative waveform positive. Or vice versa! The Herzlich 180 Invert will shift the phase of any four signals you put in by 180 degrees, effectively inverting them.

This has countless applications: fix phase errors in your mix, turn a low pass signal into a high pass, cancel out unwanted signals, change the behaviour of an LFO or gate, there are countless situations and applications where inverters are incredibly useful.

You'll be happy to own an inverter in any system - but why own just one when you get four here? Add a useful tool to your system today, with the 180 Invert.

Dimensions: 2 HP

Notes: Take care of your utility mixing needs with the Dual Active Mixer, a dual active averaging mixer in 2hp that functions as either two 3-to-1 and a 6-to-1 averaging mixer, letting you mix audio and CV in a highly efficient package.

No knobs and no buttons, just pure mixing joy to help you sort out your patches with no wasted space. Not much else to say about this tiny wonder of technology, except to say it does what it says.

Money well spent thanks to Herzlich Labs, once again.

Dimensions: 2 HP

Notes: The simple, but mighty, buffered multiple in beautiful black and gold. You know you want it, you want to get REAL buff, and this mult will get you there and a bit further still.

Built by hand by a lapsed office worker turned electronics engineer by night, you will certainly feel the hopeful spirit of this device as you install it in your rack.

The buffered multiple is useful when multiplying voltages that are sensitive to changes, such as volt-per-octave applications, and situations where you need to create a buffer between modules. This can come in handy more often than you might think.

The time for words is over, now is the time for action. Purchasing action. Go ahead, you know you need this.

Notes: Fade between two signals with the fader, just as nature intended

Do you have aspirations to smoothly fade between two signals? The Herzlich Crossfade lets you do exactly that, and exactly nothing else, using well-designed active circuitry and a smooth and performance friendly sliding potentiometer.

Whatever your aspirations are, this crossfader lets you live out your crossfading dreams in the simplest possible way, with not a fraction of an inch wasted on unnecessary features. Only delightful build quality and pleasantly smooth crossfading lies ahead for you.

Dimensions: 2 HP

Notes: This is based on the classic passive LPG, but with the utmost care taken to hand-craft the ideal version of this device.

With WIMA capacitors, custom built vactrols and exceptional little details like an LED window to get visual feedback on your CV input, the Herzlich Labs Dual Low Pass Gate is the final word in the realm of classic, passive LPGs. Every detail has been cared for, down to high-end hardware and switches to round out the experience, all in a narrow 2hp without any compromises made with respect to the form factor.

Many designs, components and iterations were rejected, so Herzlich could could bring you this - the LPG boasts two identical channels, with three cutoff settings per channel. The middle setting will behave like a VCA, while the left and right settings will have the familiar LPG sound. Care has been taken to reduce bleed, but as it is a classic passive VCA, some small amounts of audible bleed can be expected from the circuit.

Each Dual Low Pass Gate is built by hand and personally tested, to assure the high quality of these units. You can feel confident that exceptional care has been taken to bring you the most exceptional passive LPG experience possible, with the Herzlich Dual Low Pass Gate.

Dimensions: 2 HP

Notes: Dual Full Wave Rectification for Fun and Profit

Are you sick and tired of having pesky negative waveforms interfering with your signals? Do you detest seeing the back-and-forth motion of AC waveforms going backwards, then forwards? Those days are OVER with the Herzlich Labs FWR, a dual full-wave rectifier that puts an end to negative waveforms!

When you plug a signal into the FWR, you get two outputs in return, which have fully rectified the input. All negative inputs will be kindly returned to you in pristine, fully positive form. Beautiful bouncy sine waves, turned into pure "Oops! All Positive Waveshapes"-cereal, just the way you like it.

Use it anywhere where you want ONLY positive vibes, or use it with an inverter to get ONLY negative signals, if you please. Yes, you get two of these functions in just 2hp!

Dimensions: 2 HP

Notes: Two bipolar LEDs allow you to visualize your voltages as they swing between positive and negative, as well as their level of intensity, without affecting the signal you input.

Think of it as a 1D oscilloscope in just 2hp! An easy way to grasp what your patch is currently doing, without sacrificing the money or space on more fully-fledged solutions. Useful as part of a patch to keep track of your oscillations, as a troubleshooting device to quickly verify that something is doing what it should be doing, or simply as a healthy dose of blinkenlights in addition to your existing array of sparkling LED pleasures. Best of all? You get two in just 2hp - you'll have to spend some serious cash to get that kind of function-per-hp density anywhere else!

Dimensions: 2 HP

Notes: Bartender? The power of gate signals at the touch of a button, please - but make mine a narrow one!

You already know what this is: it's a gate signal generator, and it generates gate signals. That's all there is to it. You press the button, the LED indicator lights up, and you get a 5v gate signal! Brilliant!

You get three, in just 2hp! That's 1 1/2 gate signal generators per hp! That's more than [competing product] from [competing brand]! You knew you made a good decision when you decided to look at this product.

All that remains now is to open your heart, and your wallet. Buy this gate generator - this version is the latching model (stays on or off after pressing). In fact, it works really well with the Quad Gate to Trigger Converter, also from Herzlich Labs - now you can generate both gates and triggers with ease! And in such little hp!

Oh, one more thing? Your friends are going to be very envious of this, when you show it off. Gold plated nuts, gold plated front panel, tastefully matte indicator LEDs, pleasantly tactile buttons, black hardware. All the details have received the closest care and attention.

Dimensions: 2 HP

Notes: Bartender? The power of gate signals at the touch of a button, please - but make mine a narrow one!

You already know what this is: it's a gate signal generator, and it generates gate signals. That's all there is to it. You press the button, the LED indicator lights up, and you get a 5v gate signal! Brilliant!

You get three, in just 2hp! That's 1 1/2 gate signal generators per hp! That's more than [competing product] from [competing brand]! You knew you made a good decision when you decided to look at this product.

All that remains now is to open your heart, and your wallet. Buy this gate generator - this is the momentary model (is normally off, and temporarily on when you press it). In fact, this also works really well with the Quad Gate to Trigger Converter, also from Herzlich Labs - now you can generate both gates and triggers with ease! And in such little hp!

Oh, one more thing? Your friends are going to be very envious of this, when you show it off. Gold plated nuts, gold plated front panel, tastefully matte indicator LEDs, pleasantly tactile buttons, black hardware. All the details have received the closest care and attention.

Dimensions: 2 HP

Notes: Drawing inspiration from the MMI Maxima, the MMI Helios is intended as a middle ground between the gestural control surface of the Maxima and the fingertip control of the smaller MMI.

Less density, but a much higher degree of patch control is the key point of the Helios, which complements other MMI devices very well, and can be joined with other Helios (Helii?) to form larger and creative control surfaces.

The design is greatly simplified compared to the original MMI, with only two I/O jacks - either can function as input and output, and their interaction with each other is determined by touching both plates simultaneously to form a connection, or in cooperation with other MMI devices.

Available in a "right" and "left" version - one is an exact mirror image of the other, which makes it suitable for having two units adjacent to one another.

Dimensions: 8 HP

***Please note: the "righthand" version is not included, it is shown in the picture for demonstration purposes only. ***

Notes: Beauty. Refinement. Attenuversion.

It's another Herzlich Labs release: the 2hp stereo Attenuverter. Two channels of connected attenuversion, allowing you to fully and smoothly invert any signals you plug in - turn negative to positive, turn phase to antiphase, and find all the variations in between.

With the usual pleasantly tactile sliding pot, the sAttenuverter is both performance friendly and inspiring to use. Extremely suitable for linked mono signals and stereo alike, it will feel right at home in the increasingly popular stereo setups in modular.

Dimension: 2 HP

Notes: Need an offset voltage? Of course you do, you probably need one all the time, and you can never seem to find one. Well, here's two.

Yes, the Stereo Offset boasts not one but TWO linked offset voltages, and even better, they can be independently set as unipolar or bipolar with jumpers on the back of the module. To further aid your adventure in offsetting, bicolor LEDs will indicate the current state of both outputs.

Smoothly transition between voltages to simultaneously control other functions in your system, either by applying identical voltages to two different places, or by using simultaneous unipolar and bipolar signals for advanced control over your Eurorack system.

Do the right thing - get an offset generator you will love.

Dimensions: 2 HP

Notes: The Mutant Hot Glue is a versatile bus mixer for analogue effects chain design. The included analogue compressor offers series or parallel compression and a sidechain input, making it particularly well suited to drum processing. The voltage controlled distortion is based on ideas borrowed from the guitar pedals responsible for a lot of yesterday's acid style techno sounds, but improved over the guitar equivalents, and made specifically for synthesizer and drum processing. The distortion can be used in its default position, normalized to the effects send, or like every other part of the module, broken out and used elsewhere in your modular system.

Features

4 Channel Mixer with Effects Send

4 input channels, each with their own level and effects send control
Channel A mixer bypass switch and dedicated output for easy sidechain compression
Channel B is dual input, but shares level/send controls (for dual output modules, like the Mutant Hihats)
Channel C+D summed output
Main mixer output normalized to compressor input

Hi-Fidelity Analogue Compressor

Soft-knee compressor based on the same family of premium audio ICs used in some 500 Series studio gear
Dedicated threshold and compression ratio controls
Gain control dials in up to +40dB of compressor make-up gain
Compressor sidechain input for creating pumping effects
LED indicator actively displays the amount of compressor gain reduction

Voltage Controlled Analogue Distortion

A classic distortion topology reborn for modular analogue synthesizers and drum processing
In/Outputs are conveniently normalized to the module's send and return jacks
Blend control lets you adjust the mix of distorted and clean input signal
Fast responding CV input allows for complex modulation patterns and even modulating with audio signals

By default, the 4 channel mixer's output conveniently feeds into the compressor's input, giving access to easy New York style parallel compression by way of the compressor blend control. The dedicated output and mixer bypass switch for channel A allow you to use it as a sidechain source for the compressor. An effects send and return allow you to create complex effects routings within your modular system. With the number of excellent DSP and other effects modules on the market today, this makes it easy to combine modules to great effect, all within the eurorack modular domain.

Redesigned by Erica Synths in close collaboration with Hexinverter. Minor alterations were made in mechanical assembly and digital controls to address Erica synths manufacturing routines and chip shortages, but the analogue signal path is 100% identical to the original version.

In September 2022 Stacy Gaudreau - the founder of Hexinverter Electronique, announced closing down the operations. Following their announcement, Erica Synths in cooperation with Hexinverter Electronique saw a way for their incredible and truly unique music instruments to keep on inspiring musicians and finding a home in countless studios to come.
The effort and innovation incorporated in Hexinverter Electronique eurorack modules are far too great to prematurely become history. Erica Synths will take over the manufacturing, sales, and support of several Hexinverter Electronique modules. While retaining all functionality of Hexinverter Electronique modules, Erica Synths redesigned the hardware of modules and will provide support for reissue modules only.

Technical specifications

Width: 24HP | Depth: 30mm
Current draw: +70mA, -70mA @ 12V

Notes: Two oscillators independently set as VCO, LFO, or random generator

This new version replaces the original Twin Waves. All features of the former are retained. You can check all videos, reviews and comments of V1, being sure to benefit of all in the MKII version :-)

Features in VCO mode:

V/Oct tracking over 10 octaves
Tuning lock with octave selection
Through zero and linear FM
Sub-octave output
Hard & soft synchronization
VCA control and CV algorithms selection
Quantizer with various scales
20 algorithm-based synthesis types among:
Wave shaping
Phase modulation
Phase positioning of multiple waves
Up to 5 stacked oscillators in tunable unison
Self-sync with phantom oscillator
Additive synthesis (7 waves)
Variable bit reduction (bit-crushing)
Ring modulator with its own 2nd oscillator
Noise with LPF, BPF, or resonant filter

Features in LFO mode:

Simultaneous signal and trigger outputs
External wave synchronization
Clock controlled rate with voltage controlled multiplier and divider
CV and knob control of output level
Algorithm based wave engine with a selection of:
Wave shaping
Phase modulation
Random levels and vectors (also Brownian)
Randomly spaced triggers and waves
Display with contextual icons and instant reminder help text
LEDs indicating potentiometer vs. value matching, switch settings and output signals
Automatically saved settings for instant recall at power on
Firmware update by playing an audio file via the front panel
Compact and skiff-friendly module

Dimensions
8 HP
21 mm deep

Current Draw
52 mA +12V
17 mA -12V
0 mA 5V

Notes: An ultra-compact 10HP VC filter with bags of personality. Camber can be treated as a subtle, non-intrusive sound design tool, or something much more lively.

Camber is designed to be a fun, tactile filter with a small footprint. It's sound is neutral enough for basic filtering without a fuss, with a much more aggressive tone available using high resonance settings in three-pole mode.

Filter Core

The core of the filter is based on a state variable topology using 2164 VCAs and 1% tolerance integrating capacitors. Resonance and feedback control is provided by the fantastic circuit design originally by Neil Johnson "Voltage Controlled 3-Pole State Variable Filter" recently made available in Sound Semiconductor documentation.

Operation

Camber is switchable between low pass and high pass responses with one pole (6dB) and three pole (18dB) flavours of each. It has full CV control of both cutoff frequency and resonance amount. The input is DC-coupled allowing LFO and CV signals to be routed through the filter. The filter will also act as a simple oscillator producing a clean sinusoidal signal with the resonance control turned *almost fully clockwise, and no signal at the audio input. Dialling in the resonance so that it is just under the point of self-oscillation allows the filter to be "Pinged" by sending gate signals to the audio input. This is useful for tuned percussion sounds and FX.

Specifications

Intellijel 1u format
Width 10HP
Depth 33mm
Power requirements ~40mA +12V/~40mA -12V
Control voltage range 0-8V
Impedance Input 100K / Output 1K

Notes: An ultra-compact 10HP VC filter with bags of personality. Camber can be treated as a subtle, non-intrusive sound design tool, or something much more lively.

Camber is designed to be a fun, tactile filter with a small footprint. It's sound is neutral enough for basic filtering without a fuss, with a much more aggressive tone available using high resonance settings in three-pole mode.

Filter Core

The core of the filter is based on a state variable topology using 2164 VCAs and 1% tolerance integrating capacitors. Resonance and feedback control is provided by the fantastic circuit design originally by Neil Johnson "Voltage Controlled 3-Pole State Variable Filter" recently made available in Sound Semiconductor documentation.

Operation

Camber is switchable between low pass and high pass responses with one pole (6dB) and three pole (18dB) flavours of each. It has full CV control of both cutoff frequency and resonance amount. The input is DC-coupled allowing LFO and CV signals to be routed through the filter. The filter will also act as a simple oscillator producing a clean sinusoidal signal with the resonance control turned *almost fully clockwise, and no signal at the audio input. Dialling in the resonance so that it is just under the point of self-oscillation allows the filter to be "Pinged" by sending gate signals to the audio input. This is useful for tuned percussion sounds and FX.

Specifications

Intellijel 1u format
Width 10HP
Depth 33mm
Power requirements ~40mA +12V/~40mA -12V
Control voltage range 0-8V
Impedance Input 100K / Output 1K

Notes: Lush analogue EQ switchable between tilt and Baxandall high-shelf configurations.

Perform a variety of mixing and sound design duties ranging from subtle brightness and clarity adjustments to low-end rumble removal, boosted low-pass filtering and sweep EQ.

In the default tilt mode, turning the control knob clockwise simultaneously boosts treble and cuts bass. Turning anti-clockwise boosts bass and cuts treble. These boosts and cuts are pivoted around the mid-range. With the control knob at 12 o'clock the frequency response is neutral.

With Baxandall high-shelf mode enabled, turning the control knob clockwise past 12 o'clock introduces and gentle high-shelf EQ weighted around the upper mid-range. Turning the control knob anti-clockwise results in a wide high-shelf cut with subtle bass and mid-range adjustments.

Patching the channels in series allows for radical sound shaping and band-pass responses. Each channel provides up to +/- 8db of low and high-frequency gain control, summing into a low noise output stage. Hot input signals over 15vpp are saturated by active Zener diode clipping.

Features

Precise voltage control of EQ tilt and shelf
Seamless switching between EQ modes
High-quality components used throughout

Specifications

Intellijel 1U format
Width: 18HP
Depth: 32mm
Power requirements: ~60mA +12V/~58mA -12V
Control voltage range: 0-8V
Impedance Input: 100K / Output 1K

Notes: Lush analogue EQ switchable between tilt and Baxandall high-shelf configurations.

Perform a variety of mixing and sound design duties ranging from subtle brightness and clarity adjustments to low-end rumble removal, boosted low-pass filtering and sweep EQ.

In the default tilt mode, turning the control knob clockwise simultaneously boosts treble and cuts bass. Turning anti-clockwise boosts bass and cuts treble. These boosts and cuts are pivoted around the mid-range. With the control knob at 12 o'clock the frequency response is neutral.

With Baxandall high-shelf mode enabled, turning the control knob clockwise past 12 o'clock introduces and gentle high-shelf EQ weighted around the upper mid-range. Turning the control knob anti-clockwise results in a wide high-shelf cut with subtle bass and mid-range adjustments.

Patching the channels in series allows for radical sound shaping and band-pass responses. Each channel provides up to +/- 8db of low and high-frequency gain control, summing into a low noise output stage. Hot input signals over 15vpp are saturated by active Zener diode clipping.

Features

Precise voltage control of EQ tilt and shelf
Seamless switching between EQ modes
High-quality components used throughout

Specifications

Intellijel 1U format
Width 18HP
Depth 32mm
Power requirements ~60mA +12V/~58mA -12V
Control voltage range 0-8V
Impedance Input 100K / Output 1K

Notes: Tilt is the first in Laine's series of core modules, which will take cues from the main product line and strip back the features so both the module width and cost can be shrunk dramatically.

Comprising an 'Ambler' style tilt EQ network similar to the 'Stilts' topology, Tilt allows simultaneous cut and boost of low and high frequencies using a single control.

Tilt control circuits are known for the transparency of their cut and boost curves, coupled with the inherent emphasis gained from cutting one end of the frequency spectrum whilst boosting at the opposite end.

It sounds pretty good on all audio source material but is especially suited to tracking drums, guitar and lead, or manipulating effects sends and returns.

With the control knob at 12o'clock the sound passed is neutral. Turning the control knob clockwise will boost high and cut low frequencies pivoting from a fixed mid-range point. Turning the control anti-clockwise below 12 o clock will in turn boost low frequencies and cut the highs.

In addition to the EQ there is a soft clipping network which will begin to saturate signals over 15 volts peak to peak.

Tilt uses the same high quality OPA op amps, Alpha pots and ENIG PCBs as found in our main product line.

Features

Compact EQ tilt control in 1U
Soft clipping network
High-quality components used throughout

Specifications

Intellijel 1U format
Width 8HP
Depth 28mm
Power requirements ~10mA +12V/~10mA -12V
Impedance Input 100k / Output 1k

Notes: Tilt is the first in Laine's series of core modules, which will take cues from the main product line and strip back the features so both the module width and cost can be shrunk dramatically.

Comprising an 'Ambler' style tilt EQ network similar to the 'Stilts' topology, Tilt allows simultaneous cut and boost of low and high frequencies using a single control.

Tilt control circuits are known for the transparency of their cut and boost curves, coupled with the inherent emphasis gained from cutting one end of the frequency spectrum whilst boosting at the opposite end.

It sounds pretty good on all audio source material but is especially suited to tracking drums, guitar and lead, or manipulating effects sends and returns.

With the control knob at 12o'clock the sound passed is neutral. Turning the control knob clockwise will boost high and cut low frequencies pivoting from a fixed mid-range point. Turning the control anti-clockwise below 12 o clock will in turn boost low frequencies and cut the highs.

In addition to the EQ there is a soft clipping network which will begin to saturate signals over 15 volts peak to peak.

Tilt uses the same high quality OPA op amps, Alpha pots and ENIG PCBs as found in Laine's main product line.

Features

Compact EQ tilt control in 1U
Soft clipping network
High-quality components used throughout

Specifications

Intellijel 1U format
Width 8HP
Depth 28mm
Power requirements ~10mA +12V/~10mA -12V
Impedance Input 100k / Output 1k

Notes: Winnows, a dual VC resonant filter with damping.

Winnows brings radical resonant filtering to the 1U row. Make your basslines growl like it's 1999. Create clean resonant tones and layers, tuned percussion, steep filtered peaks, vowel filters and more. Each filter channel comprises two state variable filter cores, the first producing a 2-Pole band-pass response, with resonance and self-oscillation amounts set by a 3-Pole feedback network. Signals are then routed through a 1-Pole low-pass damping stage to remove harshness if required. This can be routed to the channel output, or switched and routed through a second series of resonant SVF and 1-Pole LPF damping stages. This circuitry is identical per channel.

Features and uses

Steep and spiked or wide and smooth, resonant bandpass filters
Zone in on and reinforce a sound's dominant frequency, create overtones using both channels
Create sharp resonant peaks, dull or remove any harshness with VC damping
Use the resonator as a sound source by shaping and triggering tuned percussion tones or kick drums
Per channel: 2 x VCA based SVF, 2 x 1-pole damping LPF, 1 x 3-Pole resonance core
Identical circuitry per channel, CV and audio jacks are normalled between channels
Combine both channels in series for vowel filter responses and creative filtering

Specifications

Intellijel 1U format
Width 24 HP
Depth 34mm
Power requirements ~90mA +12V/~80mA -12V
Control voltage range 0-8V
Impedance Input 100K / Output 1K

Notes: Winnows, a dual VC resonant filter with damping.

Winnows brings radical resonant filtering to the 1U row. Make your basslines growl like it's 1999. Create clean resonant tones and layers, tuned percussion, steep filtered peaks, vowel filters and more. Each filter channel comprises two state variable filter cores, the first producing a 2-Pole band-pass response, with resonance and self-oscillation amounts set by a 3-Pole feedback network. Signals are then routed through a 1-Pole low-pass damping stage to remove harshness if required. This can be routed to the channel output, or switched and routed through a second series of resonant SVF and 1-Pole LPF damping stages. This circuitry is identical per channel.

Features and uses

Steep and spiked or wide and smooth, resonant bandpass filters
Zone in on and reinforce a sound's dominant frequency, create overtones using both channels
Create sharp resonant peaks, dull or remove any harshness with VC damping
Use the resonator as a sound source by shaping and triggering tuned percussion tones or kick drums
Per channel: 2 x VCA based SVF, 2 x 1-pole damping LPF, 1 x 3-Pole resonance core
Identical circuitry per channel, CV and audio jacks are normalled between channels
Combine both channels in series for vowel filter responses and creative filtering

Specifications

Intellijel 1U format
Width 24 HP
Depth 34mm
Power requirements ~90mA +12V/~80mA -12V
Control voltage range 0-8V
Impedance Input 100K / Output 1K

Notes: Saturation is a sound designer's best friend. As applying saturation to a sound can make it sound warm, rich and defined. But without any other processing the opposite can happen; making the sound harsh, destroyed and undefined. An often used technique in music production is to saturate specific parts of the spectrum, adding harmonics to enrich the sound but not lose its original quality.

Wyvern takes this technique and makes it a creative sound design tool. When deconstructed Wyvern is built out of a specific chain: Filter EQ, Saturation, VCA, Dual Filter, Dry/Wet Balance. Different combinations of these stages can be used for a variety of sound design and patch situations. And it is all in stereo, so you can apply it to your final mix and stereo signals with ease too!

The Filter EQ stage has a high-shelf, low-shelf and bell curve to boost or diminish parts of the spectrum. When the gain is set to a minimum the EQ curves turn into low-pass, high-pass and notch respectively. A Resonance control puts emphasis on a certain frequency, or it can be used to make Wyvern scream. This is then sent to a Saturation stage. The Drive control sets the amount of Saturation of one of the three

Saturation types

Soft clipping puts more emphasis on the third harmonic and compresses the sound.

Hard clipping puts emphasis on odd harmonics. Finally an Allpass distortion adds phase shifts and distortion. The Saturation stage also has a level control which can be used to decrease the gain after saturation is applied and can function as a unipolar VCA. The Saturation stage is also accompanied with a clip indicator led and a boost switch to scale input signal correctly or simply add more or less harmonics.

The Post-Saturation stage is a high-pass and low-pass combo. Allowing you to select a frequency band from the previous stages. Along with a balance control to adjust the balance between the dry and wet signal.

Whether you are looking to destroy your sound or go for subtle analogue warmth; Wyvern has got you covered. Even when not used for saturation alone. It can be a Stereo Tone Controller, EQ, Filter, VCA and Phaser, all and anything in between. Making it a very fun and powerful sound design tool!

Features

- Filter EQ with Low-shelf, High-shelf, Bell, Low-pass, High-pass and Notch curves.
- Resonance to add emphasis on a frequency or to make it scream.
- Soft clipping, Hard clipping and Allpass distortion for a variety of flavors.
- Boost switch and clip indicator led to set Saturation scale.
- Level and VCA to adjust level while Saturation amount remains the same.
- High-pass and Low-pass combo to select a part of the spectrum.
- Dry/wet control to dial in the right amount of processed signal.
- Gain with increased and adjustable center detent position.
- V/oct tracking with temperature compensation.

165mA @ +12V // 150mA @ -12V

Notes: CV Random is a random CV generator with 4 types of randomness and a triggerable sample-and-hold function.

Sliders allow you to set the internal clock tempo (RATE), shape the probability of triggering (PROB), blend old with new values (RND) and set the shape of all four random outputs (SHAPE).

4 different sliders

RATE

Sets the tempo of the internal clock. The CV input below the slider adjusts the clock rate, with 1V/oct calibration when the CV attenuverter is 100%. Upon each clock trigger, the RATE slider light blinks, and there is a chance for the internal random source to generate a new value.

PROB

This probability is set by the PROB slider, and if a new value was generated, the PROB slider light blinks and a pulse is emitted from the TRIG output.

RND

When the internal random source generates a new value, it mixes the previous value with a random value, with an amount specified by the RND slider.

SHAPE

The SHAPE slider sets the shape of all four random outputs. At its lowest position (0%), all outputs immediately jump to the new random value (the target value) when the clock is triggered.

At non-zero positions, the outputs interpolate between the previous and the target value, using a different behaviour for each output.

Internal random clock source

Whenever the clock activates, the RATE slider's light flashes. At the same time, there's a chance that the internal random source will create a new value, depending on the PROB slider's setting.

If it does create a new value, the PROB slider's light flashes too, and a pulse comes out of the TRIG output.

External IN & TRIG inputs

If the TRIG input is patched, the RATE slider is ignored, and the internal clock is only triggered when an external trigger is received. The PROB slider is used to filter this trigger by applying some probability.

Self-modulation

Thanks to a switch in the back of the module, you can normalize the LIN output to the 4 CV inputs and adjust the amount of modulation for each parameter with the attenuverters.

This adds another layer of randomness to your results, enabling more dynamic and unpredictable outcomes.

SHAPE Outputs

The STEP output jumps to the new value in one step at 0% SHAPE, and divides the transition into 16 steps at 100% SHAPE.

The LIN output immediately reaches the new value at 0% SHAPE, and takes the whole clock cycle to do so at 100% SHAPE, staying constant in between.

The EXP output shifts exponentially, becoming linear at 100% SHAPE, with its pace adjusted by the SHAPE slider.

The SMTH output transitions smoothly, with the speed controlled by the SHAPE setting, holding at the target until the cycle ends.

Specifications

Dimensions 10HP - 50×128,5mm
Current 63 mA +12V / 11 mA -12V / 0 mA +5V
Input & Output Signals +/-10V
Impedance Input 10k - Output 10k
Materials PCB and Panel - FR4 1,6mm
Depth 40mm including connectors (Skiff friendly)

Notes: Really nice take on an arpeggiator module here. Four-channel design features editable arpeggio patterns, CV control and transposition. Real-time performance meets customisable melody generation.

Supplier's Notes:
Four-channel arpeggiator with customizable patterns and CV control

Opp Ned is a four-channel arpeggiator designed for creating patterns that can be modified with CV. Opp Ned ships with 12 of Noise Engineering's favourite arps, including tetrads, major, pentatonic major, minor third, and pentatonic minor, but you can edit and save custom arpeggios to twelve memory slots. Recall your custom arpeggios manually or with CV using the Ptn input. If you ever want to restore the factory arps, just head to the Noise Engineering Customer Portal.

The transpose input makes it easy to combine Opp Ned with external sequencers, too!

Arps have never been easier than with Opp Ned.

Features

Size and Power
8HP Eurorack
+12v: 60mA
-12v: 10mA

Opp from Norwegian Opp for "Up"
Ned from Norwegian Ned "down"
"Ups and downs"

What's in the box

Module
Power cable

*** Noise Engineering no longer include screws with newly packaged modules. Bulk screws are available for purchase. ***

Notes: Four-channel arpeggiator with customizable patterns and CV control

Opp Ned is a four-channel arpeggiator designed for creating patterns that can be modified with CV. Opp Ned ships with 12 of Nosie Engineering's favourite arps, including tetrads, major, pentatonic major, minor third, and pentatonic minor, but you can edit and save custom arpeggios to twelve memory slots. Recall your custom arpeggios manually or with CV using the Ptn input. If you ever want to restore the factory arps, just head to the Noise Engineering Customer Portal.

The transpose input makes it easy to combine Opp Ned with external sequencers, too!

Arps have never been easier than with Opp Ned.

Features

Size and Power
8HP Eurorack
+12v: 60mA
-12v: 10mA

Opp from Norwegian Opp for "Up"
Ned from Norwegian Ned "down"
"Ups and downs"

What's in the box

Module
Power cable

*** Noise Engineering no longer include screws with newly packaged modules. Bulk screws are available for purchase. ***

Notes: Stereo oscillator with wavemorphing, folding, and PM

"We may have just gotten the perfect Noise Engineering oscillator - in the most compact package possible." -- CDM Blog

Sinc Legio is a simple oscillator with some tricks up its proverbial sleeve. If you need some basic waveforms, Sinc has you covered - and it makes it easy to spice up those waveforms with phase modulation, wavefolding, or hard sync. Sinc pairs well with other oscillators in your system, too: hard-sync and stereo PM inputs make complex sounds easy to patch. Combine broad-ranging timbral parameters with a vintage-inspired chorus, and you're well on your way to stereo sound-design heaven in just 6 HP.

Sinc's multiple algorithms give a world of timbral possibility at the flip of a switch. Phase modulation, plucky FM, and bright and heavy modulation await. And on top of that, Noise Engineering have added a wavefolder to it. Shape and fold to your heart's content in Fold mode.

Not only is Sinc an incredible oscillator on its own, it's also part of the Legio platform. Use the included USB cable to connect to the Customer Portal and swap the firmware to any other Legio firmware, completely free, at any time. Let that sinc in!

6HP Eurorack
+12v: 140mA
-12v: 22mA
Sinc - from Latin: "treasure"

Legio - from Latin: "legion, army"

"A lot of treasure"

Notes: Stereo oscillator with wavemorphing, folding, and PM

"We may have just gotten the perfect Noise Engineering oscillator - in the most compact package possible." -- CDM Blog

Sinc Legio is a simple oscillator with some tricks up its proverbial sleeve. If you need some basic waveforms, Sinc has you covered - and it makes it easy to spice up those waveforms with phase modulation, wavefolding, or hard sync. Sinc pairs well with other oscillators in your system, too: hard-sync and stereo PM inputs make complex sounds easy to patch. Combine broad-ranging timbral parameters with a vintage-inspired chorus, and you're well on your way to stereo sound-design heaven in just 6 HP.

Sinc's multiple algorithms give a world of timbral possibility at the flip of a switch. Phase modulation, plucky FM, and bright and heavy modulation await. And on top of that, Noise Engineering have added a wavefolder to it. Shape and fold to your heart's content in Fold mode.

Not only is Sinc an incredible oscillator on its own, it's also part of the Legio platform. Use the included USB cable to connect to the Customer Portal and swap the firmware to any other Legio firmware, completely free, at any time. Let that sinc in!