Synth modules

Notes: The MATHS music synthesizer module is an analogue computer designed for musical purposes. Amongst other things, it will allow you to:

Features

Generate a variety of linear, logarithmic, or exponential triggered or continuous functions

Integrate an incoming signal

With no signal applied, generate a variety of linear, logarithmic, or exponential functions

Add, subtract and OR up to 4 signals

Generate analogue signals from digital information (Gate / Clock)

Generate digital information (Gate / Clock) from analogue signals

Delay digital (Gate / Clock) information

If the above list reads like science rather than music, here is the translation:

Voltage Controlled Envelope or LFO as slow as 25 minutes and as fast as 1khz

Apply Lag, Slew or Portamento to control voltages

Change the depth of modulation and modulate backwards!

Combine up to 4 control signals to create more complex modulations

Musical Events such as Ramping up or Down in Tempo, on command

Initiating Musical events upon sensing motion in the system

Musical note division and / or Flam

Perfect for modulating the DPO and just about anything else

Page for Classic version of MATHS

Specifications

Width: 20hp
Max Depth
(incl. power cable): 32mm
Power:
60mA@ +12V
50mA @ -12V

Notes: Super-versatile quad envelope generator and LFO source from the Vancouver Eurorack brand. All CV controllable and with tons of shaping options.

Supplier's notes:
The Intellijel Quadrax consists of four independent, CV-controllable channels, each of which can be configured to perform any one of the following functions:

- An AD (Attack, Decay) envelope
- An AHR (Attack, Hold, Release) envelope
- A cycling envelope (resulting in a unipolar LFO)
- A pulse burst generator (Finite repeated functions that ascend or descend in amplitude)
- A morphing, bipolar beat syncable LFO

The envelopes all feature a continuously variable response curve, ranging from logarithmic through linear to exponential, and each stage can be as snappy as 0.3 ms to as lengthy as 20 seconds.

When set to Burst mode, the channel generates a rising or falling burst of pulses, with full control over the length of the pulse burst, the number and shape of the bursts within it, and whether the bursts increase or decrease in amplitude over the burst.

AD, AHR, Cycling and Burst modes all feature a user-selectable maximum output level of either 5V or 10V.

LFO mode offers control over the frequency and waveshape, while providing a unique morphing feature that creates numerous variations of the selected waveshape. LFOs can be either free-running or beat-synchronized using the channel's TRIG input.

Channels can be chained together to create complex multi-stage envelopes, with each channel triggered by the previous channel's trigger input, end-of-rise, or end-of-fall. This enables multiple function generators to fire simultaneously, or it enables the creation of complex multi-stage envelopes by allowing the linked function to fire either at the end of the previous function's rise time, or at the end of its fall time.

Four freely-assignable, step-attenuverted CV inputs are capable of modulating any or all of the various parameters across all four channels using the built-in CV matrix, and built-in attenuversion for each assignment.

Quadrax remembers its current state (Mode and CV assignments, channel links, etc) and retains that state even if power is removed, meaning Quadrax will always turn on in exactly the same state as you last left it.

Notes: The ‘Pip Slope’ (rev II) is a compact envelope and function generator. It supports both Attack/Decay and Attack/Sustain/Decay type envelopes with both direct and voltage control of Attack and Decay times. Envelope shapes can be morphed between exponential, linear and logarithmic type slopes. Envelopes can be made to loop, repeating infinitely or decreasing with time or amplitude for echo and bouncing ball type effects. An ‘End of Cycle’ trigger output further extends the envelopes functionality for both clocking and burst or fill type effects.

The improved Pip Slope adds a number of new features and updates over the original Pip whilst keeping the same size. Improvements include increased output resolution, finer control of fast envelopes, a new morphing shape control, switchable 5v or 8v maximum envelope level, additional loop modes and an additional trigger output.

Features:
Compact envelope and function generator in 4HP.
Trigger and gate inputs.
Voltage and direct control of attack and release times.
Snappy or super long envelope times – ranging approx 1ms to 7 minutes per stage.
Optional self looping ability with 3 different loop modes: Decreasing amplitude, decreasing time, and regular loop.
Shape control that morphs the envelope shape from logarithmic to linear to exponential curves.
End of Slope trigger output that fires a trigger at the end the envelope or loop cycle.
Selectable 5v or 8v max envelope level output.
Reverse polarity protection.
Skiff friendly.
Designed and Made in the UK.

Technical Specifications
Supply: +12V 30mA / -12V 10mA
Size: 4HP
Depth: 38mm

Notes: Successor to the excellent Metropolis, the Metropolix is a performance-focussed step sequencer with some really neat features, including modulation and sub-sequences in Loopy mode.

Supplier's Notes:
The Intellijel Metropolix is a unique and powerful Eurorack format musical sequencer. With an abundance of hands-on, tactile controls and a wealth of modulation possibilities (both internal and external) you can quickly and easily create infectiously musical sequences that are never boring. Even the simplest riff can be brought to life with seemingly endless options to create variations or real-time manipulations. Equally at home in the studio or a live improvised performance, the Metropolix is sure to become a staple source of fresh ideas and killer riffs in your creative process.

Width: 34HP
Depth: 25mm
Power: 95mA @ +12V 10mA @ -12V

On first blush, it appears to be a simple 8-stage sequencer - but there is far more functionality than first meets the eye:

There are two tracks (TRK 1 and TRK 2) that are variants of the single master pitch/gate sequencer, which is programmed via the PITCH sliders, PULSE COUNT and GATE TYPE switches. Each track interprets the master sequence in a variety of ways - creating complementary sequence variations that enable you to generate counterpoint, polyrhythms, and all manner of sonic movement (both subtle and extreme). Each of these tracks has its own playback ORDER, sequence LENgth, clock DIVision, SWING amount, SLIDE time, and track GATE lengths. Other track-based sequence variables are accessible from the TRACK MENU, and include Pitch Slider inversion; sequence note range; track transposition; and more. In addition, Tracks 1 & 2 both have multiple lanes of per-stage playback parameters, including: GATE override; PITCH override; RATCHet count; PROBability of playback; ACCUMulating transposition, and a dedicated CV lane. Each stage also has a SKIP feature, and a pitch SLIDE option.

8 separate and individual MODulation lanes are accessed via the MOD button. Each MOD lane has 8-stages of modulation values and its own playback ORDER, LENgth, and clock DIVision; and each lane is routable to one of Metropolix' two assignable outputs or to dozens of internal destinations, allowing for some sophisticated and powerful self-modulation.

A trio of AUX inputs allows for external modulation of user-assignable sequencer parameters for even greater variation, while two assignable CTRL knobs give you direct access to the parameters you want to adjust most frequently during a performance. With dedicated Pitch/Gate outputs for both Track 1 and Track 2; two totally user-assignable outputs (A and B); and internal MOD routing, Metropolix features a wealth of patching opportunities.

Metropolix also features a Loopy mode, allowing you to instantly play back short sub-sequences, or even "play" the stage buttons directly (like a 'keyboard').

Metropolix stores up to 64 preset configurations (in 8 banks of 8 presets), and all live settings are stored in EPROM, ensuring that your Metropolix will always power up exactly as you left it - even if you haven't saved them to a preset. By default presets can change all the structural (menu-based) elements of your sequencer without overwriting the front panel controls, but full recall is also available.

The operation of the Metropolix is optimized for live performance and jamming, with quick access to all the most important performance parameters, and the ability to greatly affect your sequences with a single slider or switch.

Notes: For decades, the voltage controlled slew limiter has been a staple of modular synthesisers. With its extreme versatility, it can be used to slew control voltages (CVs), create envelopes, as a low-frequency or audio oscillator and much more.

Today, Contour 1 brings a fresh approach to this classic circuit. It delivers much improved performance and control by incorporating modern design techniques.

At its most basic, a slew limiter slows down the rate of voltage change in a signal. On Contour 1, the rising and falling rates can be individually set using sliders and CV modulation.

The gate and trigger inputs allow the module to be used as a function generator: create snappy attack-release (AR) and attack-decay (AD) envelopes, with slope times ranging from 500 us to 30 seconds. The dedicated gate input makes it easy to generate +10 V envelopes from any signal source. Using the large tactile push button, AD envelopes can be manually triggered. A trigger will also reset the output voltage.

When set to loop mode, Contour 1 will continually re-trigger itself. In this mode, it fulfils the role of a variable-shape low-frequency oscillator (LFO) or temperature-stable voltage controlled oscillator (VCO) in the audio range.

Both the rising and falling slopes can be individually bent, from concave through linear to convex. While doing so, the deviation in slope time, and thus oscillation frequency, is kept to a minimum. Since the bend parameters are separately voltage controllable, boundless modulation possibilities present themselves.

Explore anything from shape-shifting envelopes to rich VCO timbres: Contour 1 will make you re-think what a slew limiter can do.

Dimensions
8 HP
30 mm deep

Current Draw
90 mA +12V
85 mA -12V

Notes: A true legend of modular synthesis, Make Noise's Maths is arguably the definitive Eurorack function generator. Based on analogue computing circuits, Maths draws on Buchla-style techniques to offer countless ways of generating and processing modulation signals.

Supplier's Notes:
The MATHS music synthesizer module is an analogue computer designed for musical purposes. Amongst other things, it will allow you to:

Features

Generate a variety of linear, logarithmic, or exponential triggered or continuous functions

Integrate an incoming signal

With no signal applied, generate a variety of linear, logarithmic, or exponential functions

Add, subtract and OR up to 4 signals

Generate analogue signals from digital information (Gate / Clock)

Generate digital information (Gate / Clock) from analog signals

Delay digital (Gate / Clock) information

If the above list reads like science rather than music, here is the translation:

Voltage Controlled Envelope or LFO as slow as 25 minutes and as fast as 1khz

Apply Lag, Slew or Portamento to control voltages

Change the depth of modulation and modulate backwards!

Combine up to 4 control signals to create more complex modulations

Musical Events such as Ramping up or Down in Tempo, on command

Initiating Musical events upon sensing motion in the system

Musical note division and / or Flam

Perfect for modulating the DPO and just about anything else

Specifications
Width: 20hp
Max Depth
(incl. power cable): 32mm

Power:
60mA@ +12V
50mA @ -12V

Notes: The 'Quaid Megaslope' is a five stage function generator or modulator which operates in one of 3 modes; a multistage 'CZ' or 'Juno' style complex envelope, a super flexible LFO and a step sequencer with per step programmable slew or slides.

Each mode produces a varying output voltage moving from point to point across a set number of chained together stages. Each stage features a destination level, an overall rate or time to reach its destination level and a variable slope for the output path to take. As well as direct control, every stage feature voltage control of both level and rate. There are both unipolar and bipolar voltage outputs together with triggers emitted for the end of each stage and the end of a full cycle.

The Quaid Megaslope is designed to be fun, flexible and intuitive to use.

Notes: Great value from this versatile six-channel function generator, suitable for LFOs, envelopes, slew limiting and much more. A versatile module at a good price.

Supplier's Notes:
This modules is a 6 channels function generator, each channel has an attenuverter to set the output gain, there are 2 extra outputs with mixed signals (channels 1+2+3 and 4+5+6) for complex CV

-With no signal plugged in the input, channel will self-oscillate generating an LFO of i4,8V

-With gate/trigger signals in the input, channel is an AR envelope generator

-With an stepped CV signal plugged in the input, the channel acts as a slew limiter

min attack/decay time:
0,3 milliseconds in fast mode
13 milliseconds in slow mode

max LFO length:
1" in fast mode
1'20" in slow mode

max attack/decay length:
13" in fast mode
3'00" in slow mode (approx)

18 HP
159 mA +12V
153 mA -12V

Notes: A clever hybrid of quad VCA, function generator and more in this chunky module. Four channels of oscillators, envelope generators and VCAs, plus slew, voltage sources and plenty of CV control.

Supplier's Notes:
Four channels of function generator, oscillator, slew limiter, envelope, and VCAs. This module brings the ultimate in flexibility as it can be used as a standalone synth voice, a massive amount of modulation, or a four channel envelope generator w/ mixer. We believe this makes QARV a great first module and a great addition to the largest of systems.

All four channels have the following features:

Uni-polar oscillator mode
Attack and release time control via potentiometer and via input jack
Shape control that controls shape for both attack and release
Output attenuverter
VCAs that normal to each subsequent channel (CH1 -> CH2, etc.). So you can get a mix of all four channels out of the CH4 VCA output (unless you patch a VCA output from an earlier channel)
Channels 1 & 4

Voltage source (CH1 - 5V & CH4 - 10V)
CH1 & CH4 can be switched between IN (slew mode) and TRIG (envelope) mode
RISE and FALL gates. You can use our G&T module to turn these gates into triggers.
Channels 2 & 3:

Bi-polar oscillator mode
Dedicated IN and TRIG jacks (helpful for adding offset to a triggered ENV)
BOTH input jack to simplify patching both the attack and release (also inverts the input to give more standard pitch tracking of higher voltage equals higher pitch)

Notes: The Control Voltage Processor from Verbos Electronics GmbH is a suite of control voltage processing possibilities divided into 3 sections in a slim 18HP package. The lower 2 sections are DC coupled mixers that allow mixing, inverting, offsetting, scaling, multiplying, dividing, crossfading or a combination of these functions. The top section is a voltage controlled slewing processor with independent control of Positive and Negative slew rate, with some unique tricks. The Positive and Negative slew, or Rise and Fall rates if you like, have reversing attenuators. The slopes can be blended from linear to RC curves (starting all slides fast and ending slow, like a proper "East Coast" Portamento) without a change in speed. It can be triggered like an AD envelope and has a Gate out that goes high when the CV out is below 100mV. Of course it can loop by patching the Gate out to the Trigger in. The Bounce control adds a unique flare of overshoot to CV changes, a bit like the effect of stopping a tape reel from turning and then letting it go. The combination of multiple voltage processors offers the user the functions of analogue computer.

Notes: Tangrams

Push (or Pulse) the Envelope

Snappy, classically analogue envelopes with visually intuitive controls. Add a powerful, cv controllable cyclical gate generator, integrated VCA, and trigger buttons -then double it-now you've got Tangrams.

Tangrams, like the Dual ADSR before it, is a dual analogue core-envelope inspired by the Roland SH-101 / System 100m design with several enhancements. Taking further inspiration from trapezoidal function generators like the one on the EMS Synthi, Intellijel have added a voltage-controlled pulser circuit to link the triggering of two envelopes - allowing for delayed one-shots, cycling organic envelopes, and more. In addition, Intellijel added two VCAs for level control of each envelope, or alternatively, direct injection of the signal you'd like to envelope - freeing up your other VCAs.

The Pulser

The Pulser can be thought of as a way to set both a gate ON time (T1) and an OFF time (T2). In this way, you could configure a cycling ADSR that has a gate time that is different from the interval between gates. Alternatively, you can create a sequence where ADSR2 is triggered by a delayed amount of time after ADSR1 is triggered (either cyclically or in a single shot sequence). The panel switches for routing or disabling the pulse sources allow for even more complex combinations of control beyond these examples. This special combination of functions can yield a plethora of interesting and organic envelope and gate patterns to be created; cyclical and single shot.

ADSR + VCA Features

Dual Analogue ADSR envelopes with digital gate Pulser for trapezoid shapes
Pulser stages P1 and P2 can be selectively routed to trigger each ADSR via panel switches
Three timing ranges: (FAST: ~5 seconds, MED: ~35sec, SLOW: ~1min A/D times)
Retrig input (allows re-triggering of the envelope if source gate held high)
VCA input can be used to dynamically control the respective ADSR output level (bipolar) or to process signals to be modulated in amplitude by the ADSR.
Manual GATE buttons for each envelope

Pulser Features

A pulse is made of individually controllable T1 and T2 stage lengths
CV control over T1 and T2 time
Pulser can be one-shot (SINGLE) or repeating (CYCLE)
PULSE output has a switch to select P1 or P2 as the source.
Pulser stages P1 and P2 can be selectively routed to trigger each ADSR via panel switches
START trigger input for starting/restarting the Pulser sequence
Manual GATE button to trigger the Pulser sequence

Size: 14HP
Depth: 35mm
Power: 66mA @ +12V 49mA @ -12V

Notes: The CVx 1U expander module has eight user-configurable outputs and connects to the MIDI 1U module. Using the Intellijel Config app, you can assign each of the eight jacks to generate just about any type of voltage that can be derived from a MIDI signal; pitch, gates, triggers, clocks, velocity ... you name it! You can chain up to four CVx modules to a single MIDI 1U to add a whopping 32 additional channels of midi control to your modular.

Each CVx module can also allow you to generate 2 or 4 voice polyphonic controls with selectable voice allocation modes. The connectivity, feature set, expandability, and compact size make the MIDI 1U + CVx system ideal for integrating your modular gear with the rest of your rig.

Intellijel's MIDI 1U system comprises several elements, which work together to provide flexible, programmable MIDI-to-CV conversion to your Eurorack modules: The system comprises two mandatory components, and one optional component:

MIDI 1U module - This 14HP 1U module receives MIDI from an attached, external MIDI input connector (7U case, Palette case, or MIDI IN Jacks 1U module), and extracts (by default) Pitch, Velocity, Mod, CC, Gate, Trig, Clock and Reset messages - sending the proportional voltages to individual 3.5mm jacks for patching.If desired, the CC and MOD jacks may be configured to respond to either Channel Aftertouch or High Resolution CC, and the Reset jacks can be configured as a Run jack, instead. Additionally, MIDI 1U features an alternate Dual Mode, which maintains the Clock & Reset functionality, but uses the other six jacks to transmit Pitch, Velocity and Gate messages derived from two separate MIDI channels.

MIDI input connector - the MIDI 1U module does not have its own MIDI input jack. This enables you to use the MIDI/USB inputs built-in to your Intellijel 7U Performance Case or Palette Case. If you don't own one of these cases, you can purchase the MIDI IN Jacks 1U module to connect an external MIDI device.

CVx 1U module - This optional 14HP 1U module connects to the MIDI 1U module and adds an additional eight 3.5mm CV outputs. These outputs are fully programmable using the Intellijel Config app, and greatly expand MIDI 1U's ability to control your entire Eurorack system.

Width: 14HP
Depth: 32mm
Power: 55mA @ +12V
6mA @ -12V

Notes: Explore modulation beyond the standard ADSR with Verbos's complex polyphonic envelope, opening up the potential of ADAsR and AHDsR slopes. Use the four envelopes independently or trigger sequentially in three separate modes.

Supplier's Notes:
The Verbos Polyphonic Envelope module is a set of four envelope generators which can be used together or independently. Cascade logic allows the four envelopes to trigger sequentially with subsequent envelopes starting at the Hold, Decay or End of the previous envelope.

Each envelope offers its own gate input, CV output and end pulse output, so it can be used in up to four-voice polyphonic patches. The three skew controls allow the times to change as each new envelope is switched on. All parameters can be voltage controlled.

Power consumption: 75mA at +12 V and 30mA at -12 V

HP : 22

Notes: Dual tidal modulator with max, min & mix outs

FranKinksTides is a 18hp dual Tides (based on the Swirls pcb layout) with the max/min circuit from Kinks and some switches for sync, quadrature, pll and fm operation . It can be a double/complex oscillator, a dual function generator or any combination of oscillator, Lfo and Envelope generator with lots of cv control plus some interesting cross-modulation and sync features.

Some improvements in version 1.2:

-Mix output is now buffered, no signal bleeding on single outs.
-Mix pot controls also the balance of the signals sent to the max/min circuit.
-Uni/bi switch now also determines the signal sent to FM1.
-Clock/sync switch has now a center OFF position, no need of plugging a dummy cable in the Clock1 when using Sheeps firmware to avoid ultra fast sound bank changes.
small improvements for DIY:
-Bigger font size on the pcb.
-Parts renumbered for easy DIY.

Original design by Emilie Gillet
Available assembled and DIY (pcb+panel)
+12v
-12v

Notes: The Serge GTO is a newly designed, complex multi-functional module which can be patch programmed to provide various slew and sample functions both for audio and CV signals, but also act as a (dual) oscillator or filter or bitcrusher or ... It is one of the essential Serge modules. The GTO is an offspring of the famous Serge SSG.

The Smooth section will place a positive and negative slew on input voltage transitions for lag effects, voltage controlled portamento and for low frequency filter applications. In Cycle-mode (cycle jack patched to the input), the Smooth side “will oscillate yielding a voltage controlled triangle wave LFO. A high level into the HOLD input will enable the Smooth Function to be used as a track-and-hold circuit with voltage controlled slew rate.

The Stepped function can be used as a sample-and-hold with voltage controlled slew rate limiting. In Cycle mode, a pulse applied to the Sample input will generate complex staircase waveforms for control voltage applications and for use as audio signals.

Each side has a temperature-compensated 1V/Oct input for use as an oscillator with a frequency range of up to 20kHz (left) and 8kHz (right). Each side tracks over 5 or 6 octaves.

The Coupler is an internal comparator which compares the output levels of the Smooth and the Stepped Generators. This output is useful for generating complex control voltages or random voltages.

Dimensions:
18 HP
25 mm deep

Current draw:
45 mA +12V
40 mA -12V

Notes: The Dual EnvVCA is a two-channel analogue linear envelope generator with two fully independent low-noise exponential VCAs. With time ranges from 30 minutes to 8kHz, it can be used as an LFO, slew limiter, ASR/ADSR complex EG, audio-rate oscillator, stereo audio/CV VCA, envelope follower, sidechain processor, and general utility module. The outputs can be attenuated, inverted, and offset without disrupting the VCA, making it a versatile modulation source.

100% analogue

Dual EnvVCA

16HP Eurorack format module
0.95" (24mm) maximum depth (includes power cable)
10-pin Eurorack power header

Power consumption
+12V: 156mA
-12V: 131mA

Audio/VCA
100k input impedance, 1k output impedance, DC-coupled
VCA gain range: -90dB to +0.9dB
DC to 20kHz, +/-0.1dB
VCA response to CV: exponential

Envelope Times
Minimum rise or fall time: ~62us per segment (8kHz max frequency)
Maximum rise time: >10 minutes (typically > 13 minutes)
Maximum fall time: >20 minutes (typically > 40 minutes)

Jacks:
Env jack: Min = -10.2V, Max = +10.1V?, maximum amplitude 9.3Vpp
Trigger jack: rising edge threshold = 2.5V
Cycle jack: rising edge threshold = 2.5V
Follow jack: active range = 0V to +5V

EO* jacks:
EOR (channel A): <80mV low to >4.50V high gate output
EOF (channel B): <80mV low to >4.95V high gate output
Minimum stable pulse width: 1ms. Shorter than this may produce extra 50us pulses
Audio In/Out jacks: -10V to +10V maximum range without clipping

Notes: An unusual but enticing form of generative music in Eurorack, Kaona's Zazou module offers MIDI or CV sequencing based on a series of algorithms, allowing you to define parameters and generate melodies and patterns of up to four tracks.

Supplier's Notes:
Zazou is a generative music module based on numerous configurable algorithms. It acts as both an accompanist capable of syncing to a regular sequence and an improviser within a given framework. Its function is to produce notes: no sound comes directly from Zazou, as it's intended to be connected to one or more synthesizers or other Eurorack modules.

It features both a multitimbral MIDI output and Eurorack-compatible CV outputs.

To generate notes, Zazou requires "gate" signals to trigger each note. Therefore, it follows the rhythm imposed by a sequencer or any generator producing gate output. It pairs ideally with Skippy, Kaona's algorithmic rhythm generator.

Zazou produces music based on the equal temperament scale and follows the note division corresponding to keyboard instruments (piano, organ, etc.). Thus, in Zazou, as in a piano, a C sharp corresponds to a D flat.

Zazou produces notes on four independent channels that can nevertheless be tuned together.

Interface

Seven CV inputs:
One gate per channel: red, yellow, green, blue

One "Reset" input: realigns the tracks, resets the sequence, interrupts all MIDI notes currently playing.

One "Change" input: allows external sequence control.

One "Play/Stop" input: stops (or restarts) all produced notes and pauses the current sequence. This input also measures an external beat to determine the quarter note value (BPM) that Zazou will use (this value can also be set manually). The input can be a clock (set to one beat per quarter note) or a sequencer.

Seven buttons:
One per channel, matching its colour: they function differently depending on the displayed screen. (Selection, Pause, or Manual Gate).

One Play/Stop button: stops or starts all tracks simultaneously.

One "Change" button: manually advances the sequence.

One "Reset" button: realigns the tracks, resets the sequence, interrupts all MIDI notes currently playing.

Three encoders:
Their functions vary depending on the displayed screens.

One MIDI output:
The output is in TRS format. It's possible to choose between cable A or B using a switch on the back of the card.

Twelve CV outputs:
Four "gate" outputs: mirror the input signals but add ornamentation notes.

Four CV outputs: export velocity (selectable between 5V or 8V).

Four Note outputs: in 1V/octave format, across 10 octaves.

Basic Functions
All functions are identical for each channel but can be synchronized according to your composition criteria.

Root Note: determines the key each track plays in.

Scale: constrains Zazou to adhere to a given scale (22 scales available).

Sequence: dictates that the composition follows a given sequence.

Algorithm: allows the selection of melodic behaviour.

Sequences
It's possible to instruct Zazou to follow a sequence track by track, but it's often more musical to let the four tracks follow a single sequence. For example, you can choose the common II-V-I progression or the circle of fifths, but also use less common sequences. The sequence behaviour can be customized by selecting the number of notes in the sequence, passing notes, alternating major and minor chords, etc.

Algorithms
The algorithms determine the note behaviour for each track.

It's possible to freely mix algorithms track by track, choose the same algorithm for all tracks, or the same algorithm for all tracks but with different behaviours.

Depending on the chosen parameters, they will generate more or less repetitive, varied, or complex melodies. Even though each note depends on an external gate, some algorithms additionally produce ornamentation notes like triplets or appoggiaturas.

Random:
Allows for completely random and unpredictable operation. However, one can influence how randomness occurs by changing event frequency or velocity, for example.

Walkingbass:
Walkingbass precisely follows the sequence in a classic Jazz walking bass manner, with one quarter note per beat. Numerous forms are offered, and it's possible to enrich the progression with ornaments or emphasize strong or weak beats, for example.

Arpeggiator:
Several types of arpeggios are available, and it's possible to choose direction (including random), chords used, ornaments, and their frequency, etc.

Intervals:
Starting from a reference note chosen within the scale, Zazou will traverse a selected number of octaves and notes according to a given interval.

Serial:
Zazou will generate note sequences respecting the rules and principles of serial music. All theoretical parameters are available to practice the specific genre of dodecaphonic composition (inverse sequence, retrogrades, etc.).

Cantor:
The Cantor set starts with a segment (the complete range of available notes) and repetitively divides it, eliminating central segments. This creates a more or less detailed repetitive pattern depending on the chosen parameters.

Fibonacci:
The Fibonacci sequence is used to calculate note heights within a scale starting from a chosen note and modifying it according to selected Fibonacci numbers. Interval modulation allows staying within a playable range while exploring rhythmic and melodic patterns generated by the sequence.

Sierpinski:
The approach divides an octave into three equal parts (triads) and selects two for repetition, imitating how the Sierpinski Triangle is drawn by removing the central triangle and repeating the process on the remaining triangles. This divides the musical space according to the specified depth and plays notes based on this division, simulating the repetitive structure of the Sierpinski Triangle.

Mandelbrot:
The Mandelbrot set is one of the most famous fractal objects. Zazou maps this set into a musical representation to offer unique and varied sound structures. Since calculations are done in real-time, parameters can vary the melody's behaviour infinitely.

Julia:
Like the Mandelbrot set, the Julia set offers fertile ground for musical experimentation, with opportunities to explore fractal complexity through sound. Julia sets are defined in the complex plane and produce complex fractal patterns. Here too, real-time calculations allow parameters to vary the melody's behaviour infinitely.

System Functions
It is possible to choose a corresponding MIDI port for each track. Depending on your setup, you can use Zazou in polyphonic mode (same MIDI number), multitimbral mode (one port per channel), or multichannel mode (multiple synthesizers).

The quarter note duration (BPM) can be adjusted manually or automatically (clock signal, sequencer, etc.).

For all algorithms, you can choose the note duration proportionally to the quarter note value or match this duration to the incoming "gate" duration for each track. Thus, it is possible to play very dynamically with a variety of connected instruments as long as they provide a "gate" signal.

The velocity value can be selected within the range of 0V -> 5V or 0V -> 8V depending on your modular equipment.

Zazou operates across 10 octaves, in MIDI or CV (1V/oct) for modular use. However, it is possible to limit the number of octaves, either to accommodate synthesizers that poorly support very high notes or to limit the voltage in a modular environment.

Two settings allow adjustment of the overall pitch and fine interval between notes (only for modular use).

Saving
The internal SD card allows you to save, within its capacity limit, either track parameters (and load them for another track, for example), sequence parameters, or the entire composition.

Technical Specifications
18 HP

Depth: 32 mm

Power consumption:
+12 V 200 mA
-12 V 0 mA
+5 V 0 mA

Supplied with power cable and Knurlies.

Notes: The Grand Terminal is a digital multipurpose module. Its two function generators can be used as envelopes, LFOs or VCOs. The 2 filter channels individually offer 8 modes of operation, and combined with its mixing and routing capabilities and a multi effects unit, it is not only a complete back end of a synth voice, but can also be used as a synthesizer voice, stereo filter bank or general purpose sound effects processor.

The Grand Terminal is based on an ARM M4 DSP, audio resolution 48 kHz/16Bit. Its two filter channels can be used in parallel or serial, and there is a link mode for stereo operation. The Audio inputs have individual trimmable gain stages to integrate the Grand Terminal into different production environments. There´s a soft clipping feature in order to prevent unwanted distortion. Gate A is normalized to Gate B for easy parallel processing.

Each of the filters can be set to any of 8 filter types, which are: Transistor Ladder Filter (Low Pass), Diode Ladder Filter (Low Pass), Vactrol Low-Pass Gate, Resonant Vactrol Low-Pass Gate, State Variable Low-Pass Filter, State Variable High-Pass Filter, State Variable Band-Pass Filter, Comb Filter. The filter can be controlled in 2 parameters manually as well as via CV. The outputs of this section can also be controlled in Volume and Pan position. At this stage, the unit is designed to distort in the upper third of the gain control setting.

The built-in multi effects processor features eight algorithms which can be altered in 2 crucial parameters and a possibility to crossfade between the dry and the effected signal. Its algorithms are: Hall Reverb, Shimmer Reverb, Room Reverb, Spring Reverb, Ping-Pong Delay, Tape Delay and Chorus. At the end of the audio path, there´s a Master Volume Control as well as one Mono and one Stereo output.

The two function generators can operate as AD or AR envelopes. All time parameters can be set between 1 ms and 10 seconds, manually as well as via CV. The envelopes can be individually set to loop and then act as LFOs or VCOs (following V/Oct for about 6,5 octaves). They also feature End-of-Stage Outputs.

When used in connection to the Gateway, all controls which are normally set by jumpers on the back of the module are accessible from the Gateway´s front panel.

Notes: The MASTER18 is a very flexible generic CV processor.

You can think of the MASTER18 as a smaller and cheaper version of the DROID MASTER without CV inputs and LEDs, but with an integrated USB and MIDI, six additional gate jacks, two of which are inputs and four are outputs.

Details:

It has 8 CV output jacks with a voltage range from -10 V to +10 V, driven by highly accurate low jitter 16 bit DA converters:
2 gate inputs switching at 0.1 V
4 gate outputs switching between 0 V and 5 V
2 MIDI interfaces via MIDI standard B (mini jack)
MicroSD card reader and a button for reloading the MicroSD card
USB C to access the SD card from your computer or to send/receive MIDI MASTER18 comes with two interesting bonus features:
It can be connected to the Sinfonion as a follower of the Harmonic Sync.
It has an integrated tuning device for VCOs (can measure their frequency).

The MASTER18 is a good choice if you intend to just create CVs and don't need to process incoming CVs. It's perfect for building sequencers and MIDI to CV converters. MASTER18 can do almost any CV task you can imagine, such as sequencing, melody generation, slew limiting, quantizing, switching, mixing, working on clocks and triggers, creating envelopes and LFO or other fancy voltages, or any combination of these at the same time. While doing this, is very precise both in voltage and in timing.

You can attach several different DROID controller modules, such as the E4, the P2B8, the P10, the B32, the P4B2 or the M4 in order to get direct hands on access to all parameters and values of these patches.

Easily create your desired DROID patch utilizing our simple and easy-to-use editor with built in tutorials - the DROID Forge. It is available for Windows and Mac (both Apple Silicon and Intel).

The file created with the DROID Forge is a simple text file named "droid.ini" and needs to be loaded on the micro SD card that goes into the MASTER18.

Notes: Keanu is a partnership with Tim Held and Podular Modcast. At its core, Keanu is a standard 4x4 matrix mixer and VCAs on each output and switch to choose between unipolar or bipolar controls. After Later have also added modulation sources normalled into each channel. So you get some great modulation variety, but can also mix in your external sources.

Channels 1 & 2 CVs are clockable looping function generators with controls for rise/fall lengths, and equipped with end of rise/fall trigger outputs.

Channels 3 & 4 are each a "meandering" voltage source, created by 3 LFOs that are all at different frequencies. There are 3 CV inputs (total) to control their individual rates. You can also add slew to each channel individually to change the oscillators from square to triangle, and this slew also applies to external voltages sent into their channel.

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