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Notes: ***B-STOCK: Box opened, but product is in excellent condition and in perfect working order***


A characteristically unique take on mixing from Buchla, with six mono inputs and a built-in mic/guitar pre-amp. Each channel can be cued to a monitor mix, while the first and last channels also include voltage-controlled panning.

Supplier's Notes:
The Tiptop 207t is a modern reimagining of the classic Don Buchla 207 Mixer/Preamplifier from the 1970s 200 Series. This stereo mixer comes with a built-in preamp that allows you to boost external instruments and microphones, making it a versatile tool for any modular setup. The 207t also features a six-channel mixer with a variety of signal routing options, including the ability to route channels to the monitor and L&R signal outputs, with per-channel control over loudness and panning.

Each channel has a Mon switch that sends the channel's signal to the monitor outputs, which are always full-volume and summed to mono, making it useful for basic monitoring applications or rudimentary mixing. The Prog switch sends the signal to the L&R signal outputs, with loudness controlled by the Level Adjustment slider and panning determined by the Channel Assignment knobs. The first and sixth channels offer voltage control of panning; these channels are hard-panned when no CV is applied.

The preamp section features a 1/4" input and multiple gain settings, making it suitable for use with external line level instruments, electric guitars, or dynamic microphones. The continuous amplification control provides added flexibility for your audio needs. Finally, the Expansion In is a stereo input that sums to the left and right main outputs, which is great for chaining multiple 207t modules or adding another stereo source at the final output.

While the 207t's functionality may be simple, it is an essential part of any 200t system, serving as the glue that holds everything together. The Tiptop 207t is a fantastic mixer/preamp option that delivers quality sound and reliable performance.

Buchla 207t Features

Mixer/preamp module based on Don Buchla's original 207 design
Six-channel mixer with per-channel level control and panning
Voltage-controllable panning on channels 1 and 6
Manual panning on channels 2-4
Program switches can act as channel mutes for main outputs
Mon switches route signal (in mono) to Monitor output
Expansion input useful for stereo chaining and more
Re-designed preamp for high audio fidelity
Preamp suitable for use with external instruments, electric guitars, dynamic microphones, and more

Eurorack module
28hp wide

Notes: ***B-STOCK: Box opened, but product is in excellent condition and in perfect working order***


The Wave Transformer is a complex single oscillator with 7 audio outputs. Its method of wave shaping differs from other complex oscillators in that it is not based upon classic wave folding such as is common in West Coast synthesis, or filtration such as is common in East Coast synthesis.

This analogue, vintage-voiced, voltage-controlled oscillator features over 8 octaves of accurate pitch tracking. Its 7 simultaneous wave outputs include a unique Complex output. This strange and novel output varies between a simple waveform (triangle, unless you patch a signal into the Shape Insert jack) and a complex transformation of the harmonic structure of the original waveform. It contains a unique mixture of the fundamental frequency, odd order harmonics, even order harmonics and subharmonics. The Sub Octave panel control will determine whether the sub harmonics are derived from one octave down, two octaves down, or are muted altogether. It will vary from a simple waveform to a silhouette of your cat watching you as you react to a "present" that it left for you on the counter. No, seriously.

The module's Transform control morphs from a basic waveform through many strange iterations into a complex, gnarled mass of audio mutations at the Complex output using an asymmetrical multi differential audio transmutation circuit. You can yield countless variations on these permutations by combining this novel circuit with Hard Sync, Soft Sync, Linear FM and Exponential FM.

Additionally, you can mute the source waveform to use the circuit as a harmonic gate/VCA, rendering the Wave Transformer a voice unto itself.

If that is not enough, there is a Shape Insert that allows you to transform external oscillations and modular-level audio sources.

Notes: ***B-STOCK: Box opened, but product is in excellent condition and in perfect working order***


The 'Mega Milton' is a smorgasbord of handy all analogue utilities in just 8HP that will greatly extend the functionality of your Eurorack system.

It includes a stereo line input converter for incorporating line level external sources into a Eurorack system, a fixed 4 input mixer with breakout attenuator for combining signals, a gated slew limiter for adding slides to sequences, a sample and hold with analogue white noise with a myriad of uses such as generative melodies or producing percussive textures and finally a buffered mult for droop free signal distribution with handy LEDs to monitor.

All sections are normalised to help with typical use cases such as generating random CV from the sample & hold section, a smooth random source from the slew output and breaking out a standalone attenuator from the fourth mixer input.

The 'Mega Milton' provides essential classic synthesizer building blocks for patching in any Eurorack system.

Ideal For

Incorporating stereo external sources easily into your Eurorack system.
Signal attenuation and basic mixing in a small space.
Building percussion sounds from an analogue noise source.
Producing clocked random to add interest and variation to patterns and sounds.
Adding gated 303 style slides to patterns.
Creating and Manipulating patterns with Sample and Hold.
Buffering and monitoring voltage across multiple VCOs or other destinations with no drop.

Tech Specs

Supply: +12V 70mA / -12V 70mA
Size: 8HP
Depth: 32mm

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: 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: The Dual Stereo Gate (DXG) music synthesizer module is a Dual Stereo Low Pass Gate and Mixer. It follows in the footsteps of the QMMG, Optomix, RxMx, DynaMix, and LxD. Unlike its predecessors, the DXG is specifically oriented around mixing stereo signals, making it an important addition to any system containing modules like XPO, QPAS, Morphagene, Mimeophon, and other stereo modules by Make Noise or others.

Unique to the DXG is a new low pass gate circuit that does not use vactrols. This circuit is 100% analogue and its response was arrived at after many months tailoring it to meet or exceed the expectations that have been set by all the vactrol low pass gates that Make Noise has created over the years.

In the past, Make Noise produced the Dynamix module and Dynamics circuit in the 0-COAST, both of which are vactrolless LPGs; however, the DXG is a completely new approach which better implements the gentle single pole filtering of a low pass gate, while also emulating the slow decay and memory of the vactrol based low pass gate. This new circuit makes possible the consistency of response necessary for versatile stereo use, while also keeping the module small and affordable so that it can be a key part of just about any modular system.

As on all of Make Noise's low pass gates, the DXG's Control parameter is used to set both the amplitude and the frequency content of the sound that passes through it. The control parameter tends to open faster than it closes, imparting a subtle decay phase onto any envelope shape that is used to modulate it.

Unlike previous low pass gates made by Make Noise, all the DXG's inputs and outputs are stereo. Each set of inputs is normalled so that the left input can be used for a mono signal, sending a copy to both left and right outputs. The Auxiliary inputs are also a stereo pair with mono normalization. These normalizations allow for the DXG to be used as a simple three channel stereo mixer, with one or two of the channels additionally being used for dynamics control and note event generation. The Aux inputs can be used to chain together larger decentralized mixes using additional DXG modules, or X-PAN, Optomix, modDemix etc.

Features

- Make Noise's first Stereo Low Pass Gate

- Vactrol-free design for classic Low Pass Gate sounds, but with the balance and consistency needed for true Stereo

- Fully Stereo i/o for easy integration into a Stereo-equipped modular synthesizer

- All Left inputs normalled for easy use with Mono signals

- STRIKE Input allows use of Gate signal to trigger Low Pass Gate circuit, creating "plucking" or "pinging" sound from any Gate

- Summing stage with Stereo AUXiliary IN allows for chaining of multiple units, creating larger mixes

- Part of a decentralized mix console integrated throughout the system along with X-PAN, Optomix, XOH, etc.

- Pairs well with XPO, QPAS, Morphagene, Mimeophon, Spectraphon etc.

Width: 8hp
Power:
74mA @ +12V
86mA @ -12V
Module Depth (incl power cable): 43mm

Notes: Eurorack version of 1010's superb Bluebox. Vast power in 30 HP, with the ability to mix, record and play back in mono and stereo, hook up to a computer over USB for stereo I/O and run effects, all with CV control.

Supplier's Notes:
The bluebox Eurorack edition is the new Eurorack mixer with effects and multichannel recording/playback based on the award-winning bluebox desktop mixer. With the Eurorack edition's USB-C EXT port, you can send 2 channels of audio to and from your computer. Plus, you can control up to 6 mix settings with the 6 CV inputs. Whether recording your Eurorack jams, using it to play stems as backing tracks, or a combination of both - bluebox Eurorack edition will rock your rack!

Connect your eurorack, sampler, drum machine, and synthesizer outputs to 12 mono, 3.5 mm inputs and map them to 12 mono tracks or 6 stereo tracks - all with independent control for recording and playback. Connect your computer to the USB C port to send and receive two channels of audio.

The bluebox Eurorack edition is the ultimate in compact mixing, effects, recording, and playback for Eurorack. Smack it in your rack and hit the road with a self-contained, electronic music powerhouse!

When you purchase a bluebox Eurorack edition, you will receive:

a bluebox Eurorack edition 30 HP Eurorack module
A microSD card with bluebox firmware and pre-loaded project files
two Eurorack power cables
a bluebox Eurorack edition Quick Start guide
two MIDI Adapters

Technical Specs

Dimensions & Power
30 HP
Module dimensions including knobs: 6" x 5"x 1.6"
Depth behind front panel with ribbon cable: 1.0"
Requires the +5V rail which may not be present
on some older racks.
Uses 500-850mA at +5V (depending
on screen brightness), 320 mA at +12V, and 82mA at -12V
Requires two power connections
Capabilities
12 mono tracks, 6 stereo tracks or something in between
Connect to TRS or USB C MIDI for beat syncing effects
Lots of headroom with support for Eurorack levels up to +/-5V inputs and outputs
3 effects: reverb, delay and compressor
Records and plays back 48k, 24-bit audio WAV files
4 band EQ per track
Durable aluminum faceplate
Stream 2 channels of audio in and out over USB C

Inputs and Outputs
12 mono 3.5 mm TS inputs
2 independently controlled 3.5 mm TS output pairs that can be used as 4 mono outputs
1 stereo 3.5 mm headphone output
6 CV Inputs
1 USB C MIDI Device port
1 TRS MIDI Input
1 TRS MIDI Output
1 USB C Ext jack for streaming audio
3.5" touch screen, 4 knobs, 8 navigation buttons and 3 transport buttons

Notes: Another update for WMD's clever dual VCA, this time a little bigger to give more control. Digital control of CV and attenuation gives lots of creative options. Third time's a charm.

Supplier's Notes:
WMD have done several designs of this circuit over the years, the first one had no knobs, the second was too small, the MKIII is finally how this circuit should be packaged. This module does some really cool stuff and is super useful in any system.

The Digital VCA lets signal through like a normal VCA, but the CV and attenuation level is controlled digitally. This lets us do things like wait until there is a zero crossing to change the amplitude, resulting in clickless amplitude changes.

The Trigger mode causes the VCA to only update when a trigger is received. The addition of a noise circuit for each side let us do a very quick and easy sample and hold that never droops. With no input, 5V is normaled to the attenuator, so you get a 0-5V sample and hold. In Bipolar mode, you can get -5 to +5V.

Both sides have bipolar VCA mode (polarizer), which lets them invert the signal when negative CV comes in. Also known as ring modulation. With the zero crossing detector, this can produce some super wild wave shapes.

Features

Dual VCA Design
Unipolar or Bipolar Operation
DC Coupled Analogue Signal Path
Low Distortion / Low Noise
VCA Closes Completely
Zero Crossing Detector Mode
Trigger Mode
Two Independent Noise Sources
8 bit CV resolution
Great for Fast Envelopes and Sine Bass Sounds

Specifications

Power: +65mA, -45mA
Width: 8HP
Depth: 35mm with cables
Height: Eurorack 3U (128.5mm)
Board Height Behind Panel: 112mm
CV/Signal Input Impedance: 100k
Output Impedance: 1k
UPD in 3.3V Threshold Schmitt Trigger
ZCD produces 15us 5V pulse
5V CV to fully open VCA
Linear VCA response
20Vpp signal handling

Notes: The 'Mega Milton' is a smorgasbord of handy all analogue utilities in just 8HP that will greatly extend the functionality of your Eurorack system.

It includes a stereo line input converter for incorporating line level external sources into a Eurorack system, a fixed 4 input mixer with breakout attenuator for combining signals, a gated slew limiter for adding slides to sequences, a sample and hold with analogue white noise with a myriad of uses such as generative melodies or producing percussive textures and finally a buffered mult for droop free signal distribution with handy LEDs to monitor.

All sections are normalised to help with typical use cases such as generating random CV from the sample & hold section, a smooth random source from the slew output and breaking out a standalone attenuator from the fourth mixer input.

The 'Mega Milton' provides essential classic synthesizer building blocks for patching in any Eurorack system.

Ideal For

Incorporating stereo external sources easily into your Eurorack system.
Signal attenuation and basic mixing in a small space.
Building percussion sounds from an analogue noise source.
Producing clocked random to add interest and variation to patterns and sounds.
Adding gated 303 style slides to patterns.
Creating and Manipulating patterns with Sample and Hold.
Buffering and monitoring voltage across multiple VCOs or other destinations with no drop.

Tech Specs

Supply: +12V 70mA / -12V 70mA
Size: 8HP
Depth: 32mm

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: 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: Poti II expander notable features:

- per-channel input and output attenuation for the SINE and ASSGN outputs
- per-channel shape modulation with switchable destination (wave folding, shape switching, PWM)
- stores settings during a power cycle
- LED indication of the discrepancy between the stored setting and current pot position
- 4HP
- +10/-0mA from Batumi II

Notes: A unique analogue take on granular synthesis, inspired by Yannis Xenakis, the Grainity pairs a granular filter with a multimode filter to create new textures and harmonics.

Supplier's Notes:
The Grainity brings a unique and never-heard-before concept to the world of analogue VCF.

While being based on analogue filtering only, the Grainity expands and enriches the sound in creating subharmonics, harmonies, unison, flanging effects and formant filtering all at once.

The module presents two sections, the granular filter itself and a typical multimode filter, each with its own output.

A third output offers a mix of both filter paths. Numerous controls and CV allow a very wide palette of results.

What is the Grainity

Granular?

The word granular was chosen for this filter module in relation to the concept invented by the composer Yannis Xenakis, and which is described as assembling small chops of sounds - he called grains - according to a pattern.

This is exactly what the Grainity does, no more no less ... but, digital control allows doing it in ways that are decades away from what tape and scissors allowed at the time.

Technology wise ...

In the granular section, the incoming sound cycle is determined in order to step through various filtering and phase variations of itself according to predefined patterns called structures.

The controls allow alterations to the cycling phase, cycling frequency offset (tuning), structure selection and frequency division of the filters cycling. This comes in addition to the usual filter frequency and resonance controls.

What the Grainity is not

Technology wise ...

Despite relying on a microprocessor, the Grainity is not a digital audio processor. At any time, the sound remains in the analog domain and goes through analog circuits from in to out.
The digital processor does not convert or generate audio signals; it is there to control the analog circuitry and manage the interface and display.

Sound wise ...

Several digital modules offering granular processing rely on the layering of sound grains, which leads to blurry and cloudy textures.
Layering of the grains is a late addition to the concept of granular synthesis and is not a mandatory feature of the concept.
The Grainity does not use delay lines or sampling memory but is nevertheless true to the foundations of the granular synthesis concept.

The granular VCF in the Grainity is unconventional in that, most of times, it is not filtering the sound in the common expectation of removing something. Typically, the granular process adds more than it removes by expanding both the lower range, creating subharmonics, and the upper harmonic contents in multiples ways.

Dimensions
10 HP
21 mm deep

Current Draw
101 mA +12V
59 mA -12V

Notes: An ART wavetable dual oscillator mono voice source that can be used to build polyphonic patches and multi voice patches. It generates its harmonically rich sound using two 80s vintage D/A converters to feed your filters and effect processors. VORTEX comes loaded with dozens of wavetables, plus additional user wavetables can be loaded from the front panel SD card. A detune knob controls the second VCO and adds effects from deep phasing to a sub octave. The position knob and CV input selects waves in the tables and vibrato from LFOs to create FM. Like other ART sound generators a dedicated Gate output manages the voice envelope or any modulation synced to that voice. VORTEX is a great companion to the analog ATX1 and a must for digital synthesist enthusiasts.

Size: 8HP - Depth: 40mm / 1.5"
Power: +12V 80mA / -12V 25mA

Notes: A classic all analogue saw VCO core with 3 switchable modes, ART, 1V/Oct, LFO and is recommended as the basic building block for ART systems. It is designed for patching analog polyphonic synths from discrete modules or multi-mono patches in ART mode. When using ART the ATX1 takes care of the tuning including accounting for temperature changes. In 1V/Oct mode the ATX1 runs as a standard old school modular VCO. LFO mode drops the frequency range and is great for patching vibrato to other ATX1s among other things. The ATX1 outputs variable waveshapes with manual or CV control. Classic FM, PWM and hard sync are provided. A dedicated Gate Out in ART mode manages the voice envelopes or any modulation synced to that voice. TipTop consider the ATX1 the best sounding analogue VCO they have ever created.

Size: 8HP - Depth: 40mm / 1.5"

Power: +12V 105mA / -12V 33mA

Notes: OCTOPUS is a powerhouse ART controller that takes MIDI in via the USB or DIN connector and outputs 8 ART channels with 8 velocity CV plus 8 drum triggers. Together with the ART oscillators the OCTOPUS provide unprecedented simplicity connecting the modular to your computer sequencers, hardware midi sequencers and keyboards. Each ART channel can play polyphonic notes, monophonic notes or create multi-channel polyphony using an internal voice manager. All together OCTOPUS can play more voices and notes from a single controller than ever was possible in modular. Using ART high speed control signals OCTOPUS can maintain low jitter for tight timing.

Please note, OCTOPUS is not a 1V/Oct midi to CV and should not be confused as one.

Size: 18HP - Depth: 40mm / 1.5"
Power: +12V 140mA / -12V 100mA

Notes: A characteristically unique take on mixing from Buchla, with six mono inputs and a built-in mic/guitar pre-amp. Each channel can be cued to a monitor mix, while the first and last channels also include voltage-controlled panning.

Supplier's Notes:
The Tiptop 207t is a modern reimagining of the classic Don Buchla 207 Mixer/Preamplifier from the 1970s 200 Series. This stereo mixer comes with a built-in preamp that allows you to boost external instruments and microphones, making it a versatile tool for any modular setup. The 207t also features a six-channel mixer with a variety of signal routing options, including the ability to route channels to the monitor and L&R signal outputs, with per-channel control over loudness and panning.

Each channel has a Mon switch that sends the channel's signal to the monitor outputs, which are always full-volume and summed to mono, making it useful for basic monitoring applications or rudimentary mixing. The Prog switch sends the signal to the L&R signal outputs, with loudness controlled by the Level Adjustment slider and panning determined by the Channel Assignment knobs. The first and sixth channels offer voltage control of panning; these channels are hard-panned when no CV is applied.

The preamp section features a 1/4" input and multiple gain settings, making it suitable for use with external line level instruments, electric guitars, or dynamic microphones. The continuous amplification control provides added flexibility for your audio needs. Finally, the Expansion In is a stereo input that sums to the left and right main outputs, which is great for chaining multiple 207t modules or adding another stereo source at the final output.

While the 207t's functionality may be simple, it is an essential part of any 200t system, serving as the glue that holds everything together. The Tiptop 207t is a fantastic mixer/preamp option that delivers quality sound and reliable performance.

Buchla 207t Features

Mixer/preamp module based on Don Buchla's original 207 design
Six-channel mixer with per-channel level control and panning
Voltage-controllable panning on channels 1 and 6
Manual panning on channels 2-4
Program switches can act as channel mutes for main outputs
Mon switches route signal (in mono) to Monitor output
Expansion input useful for stereo chaining and more
Re-designed preamp for high audio fidelity
Preamp suitable for use with external instruments, electric guitars, dynamic microphones, and more

Eurorack module
28hp wide

Notes: The Erica Synths Black Stereo Delay is a hi-fi stereo delay with a lot of unique features based on our custom DSP engine. Tape, BBD and digital delay emulations with three modes, each accompanied with delay time, feedback, feedback tone and stereo spread controls allow for designing extremely delicate effects. CV control over various parameters and the ability to save up to 10 presets will make this module an integral part of any performance rack. Delay effects are developed by Dutch company www.112db.com

Features

Tape, BBD and digital delay types
Three modes for each type
Tap and clock synchronization of delay time
10 preset patches
CV control over delay time, feedback, tone, dry/wet mix and preset selection
Adjustable stereo delay spread
The modules run on new Erica Synths DSP hardware and the effects are developed in collaboration with Dutch company 112.dB who make some of the most beautiful sounding effects.

Erica Black Series include high-end, unique functionality and superior quality modules. Only the best, highest-quality components are used, all inputs and outputs are protected against undesired overvoltage. Erica Black Series consist of range of modules that are needed to put together entire synth.

Technical specifications:

Max audio input level before clipping: 16Vptp
CV input range (full span): -5V - +5V
Sampling frequency: 48kHz, 24bit
Delay time: 3..3000ms
Audio codecs: -108 dynamic range, -98dB THD+N
Power consumption: 120mA@+12V, 39mA@-12V
Module width: 12HP
Module depth: 35mm

Notes: Skippy is a matrix and non-matrix polyrhythmic sequencer (linear and logarithmic) which offers four completely independent tracks with a very simple interface: one button per track, one function per screen, no sub-menus.

Possible saving of 64 configurations.

Internal connection with expander module (coming soon) and with Zazou, generative composition module (coming end of 2023).

Functions per track

- BPM (10 to 400)
- Number of steps (1 to 64)
- Linear or log
- Random function
- Chaotic function
- Direction: clockwise, counterclockwise, ping-pong, pause
- Number of steps before the start of the sequence
- Number of steps before the end of the sequence
- Gate duration

Specific algorithms

- Euclidean (Bjorklund)
- Matrix Patterns
- microtiming patterns
- matrix rotation

Clock

- External clock input or Reset
- Clock output
- 1/1, 1/4, etc.

Menus

- BPM
- STEP
- BEGIN
- END
- GATES
- PROBA
- CHAOS
- WAY
- SWING
- GAUSS
- EUCLID
- TILES
- POLYR
- JAZZY
- SPIN
- PAUSE
- RESET
- SYS: save, load, new, clk/rst, clk

Tech Specs

Width: 10 HP
Depth: 32 mm

Current Draw:
+12 V 0 mA
-12 V 0 mA

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: The S1 is a promotional bundle that Tiptop Audio is offering to users, providing a 33% savings to get you started with ART. With these bundles, this incredible voice is included: the big, beefy 3 VCO stack. The bundles come in two options: Bundle S1, which uses the ART V/OCT Quantizer as a controller, and Bundle S2, which uses Octopus as a controller. In addition to the controllers, there are three ATX1 analogue oscillators, MIX7 for mixing them with plenty of headroom, and followed by the beloved 4-pole Z2040 filter that has been with TipTop since day one; it just sounds so good. Finally, we end up with Control Path dual envelope plus VCA dynamics modules. This special price is time limited and while supplies last.

ART QUAD QUANTIZER is a four channel CV to ART Quantizer to play ART oscillators from CV sequencers, LFOs and anything that outputs CV. This is Tiptop's second ART controller option and is designed for those of us playing ART without a computer or MIDI source. The inputs take in positive, negative, bipolar CV voltages. Scales include Major Minor and the five other modes (Dorian, Lydian, etc). The module is simple to set up with a simple menu and one knob with switch for navigation. The 4th channel can be set to generate Chords and polyphonic note streams for ART Polyphonic oscillators.

Size: 8HP - Depth: 40mm / 1.5"
Power: +12V 38mA / -12V 4mA

ATX1: a classic all analogue saw VCO core with 3 switchable modes, ART, 1V/Oct, LFO and is recommended as the basic building block for ART systems. It is designed for patching analogue polyphonic synths from discrete modules or multi-mono patches in ART mode. When using ART the ATX1 takes care of the tuning including accounting for temperature changes. In 1V/Oct mode the ATX1 runs as a standard old school modular VCO. LFO mode drops the frequency range and is great for patching vibrato to other ATX1s among other things. The ATX1 outputs variable waveshapes with manual or CV control. Classic FM, PWM and hard sync are provided. A dedicated Gate Out in ART mode manages the voice envelopes or any modulation synced to that voice. TipTop consider the ATX1 the best sounding analogue VCO they have ever created.

Size: 8HP - Depth: 40mm / 1.5"
Power: +12V 105mA / -12V 33mA

MIX7 is a seven channel analogue summing mixer module for Eurorack. It is designed for summing any of the different types of signals you'll find in a modular system: Audio, CV, Triggers, or Gate.

MIX7 gives ability to sweeten your mix with more headroom using the power of low noise analogue summing. A compact 3HP Eurorack utility module, MIX7 is an attractive mixing addition to any rig, especially with the ability to also combine rhythms, note patterns or CV automations from different control sources. The main output of one section can be connected to the input of another MIX7 to create larger mixing groups and complex signal routes inside your modular.

The MIX7 summing mixing circuit is built with low-noise operational amplifiers, giving it an excellent sound quality for mixing audio, the beautiful texture of classic analogue mixing with plenty of headroom to handle hot modular signals, and the versatility to sum non-audio signals in your system to open up new creative possibilities.

Each input is labelled with a number of dots, 1-7, yellow for input and green for output. The module matches Tiptop's system look with clean white faceplate styling.

At the back of the module is a user-configurable jumper allowing users to configure the MIX7 for either unity gain (OUT = IN) or give increased headroom (OUT = 0.4IN) for use with hot audio signals, which makes it a great pairing for Tiptop Audio percussive modules. A peak indicator light on the front panel warns the user of even the slightest audio clipping in the mix, helping to keep all the incoming sound sources at their full original quality.

Size: 3HP - Depth: 43mm - Power: +12V 25ma / -12V 20ma

CONTROL PATH is an all in one voice dynamics module that helps build full voices quickly. It contains two analogue envelopes with velocity cv, and one VCA. In a typical voice patch the left envelope will control a filter and the right envelope will be the voice VCA. Velocity control is provided for each envelope and delay front panel trimmers are used to compensate for any miss match between incoming gate signal and velocity CV timings. Envelope cv outs are 0-5V, Velocity cv ins are 0-5V.

Size: 8HP - Depth: 40mm / 1.5"
Power: +12V 50mA / -12V 55mA

The Z2040 is TipTop's redesign of the most famous analogue filter from the polysynths of the 80's and features Tiptop Audio's signature lush, big, and creamy sound. Its frequency sweeps make thick bass lines and leads with great dynamics. When modulated with audio frequencies through its various inputs, the Z2040 gets quite colourful and is capable of creating many new sounds and textures as the forces of the incoming waves and their harmonics blend through the filter's non-linear circuit. When set with Resonance feedback fully up, the Z2040 transforms into a pure sine-core VC-Oscillator, great for making snappy percussive elements and whistling sounds.

A look under the hood will find that the heart of the Z2040 is a discrete design 4-pole low pass filter with a core similar to that of the SSM2040 filter chip, used in the 80's Prophet 5 Rev 2 synthesizer, and its brother the SSM2044, used in the famous early EMU samplers and PPG synthesizers of the 80's. Both filters are considered by many to be, "the best sounding filter ever".

The Z2040's four modulation inputs are built to handle CV and audio signals, enabling deep modulation of the filter core and passing signals. A VC resonance input is provided to modulate and even clip the sine wave produced by the filter feedback loop. A Frequency Modulation input (FM) provides dynamic filter sweeps and the unique VC-FM index allows modulation of the incoming FM signals. On top of that, the Z2040 comes with an audio VCA that can be configured to act upon the input or the output of the filter.

Size: 8HP - Depth: 42mm - Power: +12V 20ma / -12V 20ma

Notes: A serious bargain for anyone putting together a modular system, TipTop bundle three VCOs and the Octopus controller with their mixer, filter, dual envelopes and VCA. Great value.

Supplier's Notes:
The S2 is a promotional bundle that TipTop is offering to users, providing a 33% savings to get you started with ART. With these bundles, TipTop have included an incredible voice: the big, beefy 3 VCO stack. The bundles come in two options: Bundle S1, which uses the ART V/OCT Quantizer as a controller, and Bundle S2, which uses Octopus as a controller. In addition to the controllers, there are three ATX1 analogue oscillators, MIX7 for mixing them with plenty of headroom, and followed by TipTop's beloved 4-pole Z2040 filter that has been with them since day one; it just sounds so good. Finally, we end up with Control Path dual envelope plus VCA dynamics modules. This special price is time limited and while supplies last.

OCTOPUS is a powerhouse ART controller that takes MIDI in via the USB or DIN connector and outputs 8 ART channels with 8 velocity CV plus 8 drum triggers. Together with the ART oscillators the OCTOPUS provide unprecedented simplicity connecting the modular to your computer sequencers, hardware midi sequencers and keyboards. Each ART channel can play polyphonic notes, monophonic notes or create multi-channel polyphony using an internal voice manager. All together OCTOPUS can play more voices and notes from a single controller than ever was possible in modular. Using ART high speed control signals OCTOPUS can maintain low jitter for tight timing. OCTOPUS is TipTop's first ART controller with more to follow, please select between Octopus or ART V/Oct Quantizer to get started with ART. Please note, OCTOPUS is not a 1V/Oct midi to CV and should not be confused as one.

Size: 18HP - Depth: 40mm / 1.5"
Power: +12V 140mA / -12V 100mA

ATX1: a classic all analogue saw VCO core with 3 switchable modes, ART, 1V/Oct, LFO and is recommended as the basic building block for ART systems. It is designed for patching analogue polyphonic synths from discrete modules or multi-mono patches in ART mode. When using ART the ATX1 takes care of the tuning including accounting for temperature changes. In 1V/Oct mode the ATX1 runs as a standard old school modular VCO. LFO mode drops the frequency range and is great for patching vibrato to other ATX1s among other things. The ATX1 outputs variable waveshapes with manual or CV control. Classic FM, PWM and hard sync are provided. A dedicated Gate Out in ART mode manages the voice envelopes or any modulation synced to that voice. TipTop consider the ATX1 the best sounding analogue VCO they have ever created.

Size: 8HP - Depth: 40mm / 1.5"
Power: +12V 105mA / -12V 33mA

MIX7 is a seven channel analogue summing mixer module for Eurorack. It is designed for summing any of the different types of signals you'll find in a modular system: Audio, CV, Triggers, or Gate.

MIX7 gives ability to sweeten your mix with more headroom using the power of low noise analogue summing. A compact 3HP Eurorack utility module, MIX7 is an attractive mixing addition to any rig, especially with the ability to also combine rhythms, note patterns or CV automations from different control sources. The main output of one section can be connected to the input of another MIX7 to create larger mixing groups and complex signal routes inside your modular.

The MIX7 summing mixing circuit is built with low-noise operational amplifiers, giving it an excellent sound quality for mixing audio, the beautiful texture of classic analogue mixing with plenty of headroom to handle hot modular signals, and the versatility to sum non-audio signals in your system to open up new creative possibilities.
Each input is labelled with a number of dots, 1-7, yellow for input and green for output. The module matches Tiptop's system look with clean white faceplate styling.

At the back of the module is a user-configurable jumper allowing users to configure the MIX7 for either unity gain (OUT = IN) or give increased headroom (OUT = 0.4IN) for use with hot audio signals, which makes it a great pairing for Tiptop Audio percussive modules. A peak indicator light on the front panel warns the user of even the slightest audio clipping in the mix, helping to keep all the incoming sound sources at their full original quality.

Size: 3HP - Depth: 43mm - Power: +12V 25ma / -12V 20ma

CONTROL PATH is an all in one voice dynamics module that helps build full voices quickly. It contains two analogue envelopes with velocity cv, and one VCA. In a typical voice patch the left envelope will control a filter and the right envelope will be the voice VCA. Velocity control is provided for each envelope and delay front panel trimmers are used to compensate for any miss match between incoming gate signal and velocity CV timings. Envelope cv outs are 0-5V, Velocity cv ins are 0-5V.
Size: 8HP - Depth: 40mm / 1.5"

Power: +12V 50mA / -12V 55mA

The Z2040 is TipTop#s redesign of the most famous analog filter from the polysynths of the 80's and features Tiptop Audio's signature lush, big, and creamy sound. Its frequency sweeps make thick bass lines and leads with great dynamics. When modulated with audio frequencies through its various inputs, the Z2040 gets quite colorful and is capable of creating many new sounds and textures as the forces of the incoming waves and their harmonics blend through the filter's non-linear circuit. When set with Resonance feedback fully up, the Z2040 transforms into a pure sine-core VC-Oscillator, great for making snappy percussive elements and whistling sounds.

A look under the hood will find that the heart of the Z2040 is a discrete design 4-pole low pass filter with a core similar to that of the SSM2040 filter chip, used in the 80's Prophet 5 Rev 2 synthesizer, and its brother the SSM2044, used in the famous early EMU samplers and PPG synthesizers of the 80's. Both filters are considered by many to be, "the best sounding filter ever".

The Z2040's four modulation inputs are built to handle CV and audio signals, enabling deep modulation of the filter core and passing signals. A VC resonance input is provided to modulate and even clip the sine wave produced by the filter feedback loop. A Frequency Modulation input (FM) provides dynamic filter sweeps and the unique VC-FM index allows modulation of the incoming FM signals. On top of that, the Z2040 comes with an audio VCA that can be configured to act upon the input or the output of the filter.

Size: 8HP - Depth: 42mm - Power: +12V 20ma / -12V 20ma

Notes: Endless Processor (Ex)pander Kit opens new possibilities for Endless Processor!

Now, there is pitch control over both channels. You can shift one octave up or shift down to a full sound stop, covering multiple octaves, effectively replicating the variable speed replay effect. This allows for the creation of new textures from existing sounds.

Additionally, with the expansion PCB, the Endless Processor gains an SD card slot that enables you to store up to 5 sound banks. This means everything sustained in both channels can be saved to preserve those happy accidents! However, this is not just a simple save and recall process. It allows more performing possibilities: sustain new sounds, play with them, and then recall the stored ones, all with respect to the fade controls.

And if that's not enough, there's a bonus! With the help of our web tool, you can upload the sound banks saved on the SD card and extract clickless loops of each layer in WAV format. You can then import these loops into your DAW or hardware sampler to build your composition on top of the captured sounds.

Endless Processor Expander Kit contains:

Endless Processor Ex module
Expansion PCB for the Endless Processor
Cable to connect Ex module to the expansion PCB

Width: 4HP

Depth of Endless Processor with expansion PCB attached: 45mm

Depth of Endless Processor Ex module: 30mm

Notes: WarpEx is an expander module that adds polyphony and MIDI to Warp.

- 4-Voice polyphony
- MIDI input and MIDI Thru
- MPE compatibility (MIDI polyphonic expression)
- Dedicated trigger and V/Oct inputs for each voice
- Illuminated pushbutton to quickly toggle between the MIDI voice modes: Mono, Poly and MPE.

Inputs:

- +/- 8 Volts (V/OCT)
- 0.0 Volts to +5.0 Volts (TRIG and MIDI)
- Overvoltage protection on all jacks.
- 4 TRIG Inputs: Gate inputs for Voices 1-4
- 4 V/Oct Inputs: CV input for pitch of voices 1-4 (i 8V, up to low audio rate ~100Hz)
- 1 MIDI In: Input Type-A for Midi signals. Use provided MIDI-to-DIN adapters.
- Button Toggles between MIDI voice modes: Red = Mono, Blue = Poly, Purple = MPE (Poly)

Outputs:

- Midi-Thru, 5v signal

WarpEx is fully managed by the Warp master

Scope of delivery:

Module, 3mm screws, ribbon cable for connection to Warp, 2 Midi-to-Din adapters Type A

Power consumption: Warp powers this expander via the included grey bus cable
Depth: 30mm
HP : 4

Notes: You must absolutely own Skippy to use this module; it cannot operate independently.

The firmware version 2.21 or higher must be installed on your Skippy.

Additional features:
1 CV gate or trig input for Reset
1 CV gate or trig input for Play/stop
1 Reset button
1 Play/stop button
1 Live mode on/off button
16 function potentiometers distributed over 4 rows: you can freely choose a function (BPM, STEP, BEGIN, END, GAUSS, GATE, PROBA, CHAOS, SWING, WAY) for each row.
1 row of 4 algorithm potentiometers: you can freely choose an algorithm (Euclid, Jazzy, PolyR, Tiles) for each potentiometer.
The Save function takes into account the settings used in Skippy Live.
The selected parameters for Skippy Live are automatically saved.

Technical specifications:
10 HP
Depth: 25 mm
Power consumption:
+12 V 0 mA
-12 V 0 mA
+5 V 15 mA
Comes with a connector to Skippy and Knurlies.

Notes: An accurate Manual Voltage Source.

Voltio fits somewhere between a music tool and a piece of electronics lab gear.

It generates voltages equivalent to all the notes on the 12-tone equal temperament scale throughout a ten-octave range, with an intuitive two-knob interface.

The Precision Adder In, lets you sum Voltio's Out with external voltages.

Additionally, the front panel banana connectors let you plug standard multimeter probes for hands-free operation on electronics lab.

Use it to transpose Oscillators and sequences in a musical way or as a reference to calibrate your analogue gear.

Features:

Easily adjust your oscillators in known intervals.
Transpose Musical phrases from sequencers, arpeggiators, or any other notes source.
Calibrate oscillators and filters on your DIY projects or during analogue gear maintenance.

Specs:

Current needs: +12V: 35mA, -12V: 15mA
Width: 6 HP
Depth: 30mm including power connector
Designed, kits prepared and assembled in Barcelona.

Notes: Module A-130-4 contains four linear VCAs with a common level control section for all four VCAs. It can be used for all applications of simultaneous amplitude/level control of up to four different audio or CV signals. A-130-4 is the replacement of the no longer available module A-132-2. Compared to the A-132-2 the width has been reduced from 8HP to 4HP.

The module has these controls and in/outputs available:

Control Man.: manual control of the amplification
Control CV: attenuator for the control voltage applied to socket CVo socket Input 1
Sockets In 1...4: VCA inputs 1...4
Sockets Out 1...4: VCA outputs 1...4

Application examples:

simultaneous amplitude/level control of up to four different audio or CV signals
polyphonic application 1: simultaneous control of the frequency modulation depth of 4 VCOs (Quad-LFO A-145-4 or Quad-VCLFO A-147-5 > A-130-4 > FM inputs A-111-4)
polyphonic application 2: simultaneous control of the pulsewidth modulation depth of 4 VCOs (Quad-LFO A-145-4 or Quad-VCLFO A-147-5 > A-130-4 > PWM inputs A-111-4)
simultaneous control of quadrophonic signals

Technical notes:

The maximum amplification for each VCA is about 1 ("Man." control fully CW). Even with an external control voltage applied to the CV input the maximum amplification is limited to 1.
The module is equipped with two internal connectors (pin headers with 4 pins each). Pin header #1 can be used to normalize the four inputs to other modules (e.g. Quad LFO A-145-4 or A-147-5, Quad ADSR A-143-2). Pin header #2 can be used to connect the four outputs to other modules.
The max. level at the VCA inputs without clipping/distortion is about 20Vpp or +/-10V.

Dimensions
4 HP
45 mm deep

Notes: Alia is a 10HP oscillator platform much like the Versio and Legio platforms. Launched in 2023 with a reboot of the beloved Basimilus Iteritas and Manis Iteritas, along with a new oscillator, Debel Iteritas, Noise Engineering is back with three more firmwares for the platform.

Separate hardware is available for each module, and a customer with any Alia module can try any firmware for free by going to the Noise Engineering Customer Portal and connecting with the included USB cable.

Cursus Iteritas Alia

Dynamically generated wavetable oscillator using orthogonal functions on a swappable oscillator platform

Cursus Iteritas Alia is Noise Engineering's take on a wavetable-inspired additive oscillator. Cursus creates sounds from a dynamically generated wavetable, then gives the user spectral controls to sculpt and modulate. Cursus has three different algorithms, based on different conceptualizations of frequency: Fourier, which uses sine waves; Daubechies, using wavelets; and Walsh mode, using the Walsh transform. All that math is hidden behind a set of friendly controls that produces an extremely wide variety of harmonic sounds, perfect for melodic sound design. Cursus has long been regarded as the gentlest Iteritas, but if you need some beef and extra low end, try mixing the suboscillator output into your patch.

CIA is available on Noise Engineering's 10HP Alia oscillator platform. Buy an Alia module and use the included USB cable to connect to the Noise Engineering Customer Portal and check out any other Alia firmware, free of charge, any time.

Width: 10HP
Depth: 22mm

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: The OpticTone is a combination of a 12dB multi-mode Vactrol Filter and a Vactrol Voltage Controlled Amplifier.

It is a completely original circuit inspired by the singular nature of Vactrols and their fluid and natural character.

The Filter section provides the three fundamental filter types: Lowpass, Bandpass and Highpass.

A Resonance knob with voltage control input is available for improved modulation flexibility. The feedback knob interacts with the Resonance path, tempering it from creamy resonance to wacky self-oscillation.

Filter and VCA run in parallel, both are controlled by the Freq/Amp knob and it's associated voltage-control input. The combination of both signals can be crossfaded with a dedicated knob.

The Freq/Amp is also controlled with direct touch control on the panel via the 3 lines below the knob.

The filter frequency control can be inverted by the Inv Freq switch, providing the possibility to change the filter direction. This feature allows the filter to "close" when the VCA is "opening" or the other way around.

The Ping input allows to generate the well known vactrol filter percussive sounds if a gate or trigger signal is provided. The Ping frequency if controlled by the Freq/Amp knob, ranging from low kicks drums to high pitch bongos.

There is also a Drive knob to take care of your saturation needs. The Overdrive range is wide, from soft textural clipping to heavy distortion.

All voltage controlled inputs have an attenuator-inverter knob.

Features:

Vatrol based 12dB multi-mode Voltage Controlled Filter: Lowpass, Bandpass and Highpass.
Vactrol Based Voltage Controlled Amplifier.
Crossfade between VCF and VCA section.
Voltage controlled Resonance.
Ping Input for percussive sounds generation.
Cutoff Frequency polarity inversion switch. Doesn't change VCA polarity
Overdrive and Feedback controls.
Attenuator/inverter knobs on all voltage controlled inputs
Touch control over Frequency and Amplitude.


Specs:

Width: 10HP
Depth: 33mm
Power consumption: 55mA +12 / 55mA -12
Eurorack Format
Doepfer power connection

Notes: VastWave is a complex analogue Oscillator with advanced waveshaping capabilities that invites new textural and harmonic exploration beyond subtractive synthesis principles.

Crossfading between harmonically rich folded waveforms and waveforms with Odd/Even harmonics, the VastWave waveshaper expands on the Principal Oscillator heritage, bringing an additional set of waveforms with Odd and Even harmonics and a pulse waveform derived from the Waveshaper's Final output stage.

Furthermore the linear FM input has a dedicated VCA for external FM amplitude modulation and an on board linear Glide delivers a more musical approach to this classic feature.

Features:

Voltage controlled complex waveshaping.
Triangle core.
FM input with voltage controlled amplitude for FM amplitude modulation.
On board linear Glide.
Voltage controlled Pulse-width modulation for Pulse and Final Pls waveforms.
Modern temperature and tuning stability.
High Frequency (VCO) or Low Frequency (LFO) operation.
External Timbre input with sine wave normalization if no external source is patched.
Attenuator/inverter knobs on all voltage controlled inputs.
Inverted or double Sawthooth waveform (selectable by jumper).


Specs:

Width: 16HP
Depth: 33mm
Power consumption: ###mA +12 / ###mA -12
Eurorack Format
Doepfer power connection

Notes: Designed with versatility in mind, MapVolt is a dual-channel Universal Voltage Processor built for flexibility in handling audio and CV signals.

With only 6hp, Mapvolt is a multipurpose tool for voltage-controlled scaling, inverting, offsetting, subtracting, and mixing functions.

Each channel of MapVolt can operate in either Polarizer or Attenuator mode, allowing manual control via knobs or CV signals. In Polarizer mode, it functions as a Voltage Controlled Attenuator-Inverter, granting control over signal level and polarity. Additionally, it can be used as a Four-Quadrant Multiplier or Ring Modulator for audio signals, with the processor input serving as the carrier signal and the polarizer's CV input acting as the modulator.

In Attenuator mode, MapVolt operates as a VCA, providing control over signal levels. Its VCA CV input range of +5/-5 makes it well-suited for amplitude modulation (AM) with other +/-5V waveforms.

MapVolt is equipped with dedicated Voltage Offset knobs for each channel, which can be controlled via CV. If no input is patched into the Processor input channel, the Voltage Offset knobs can be used as Offset Generators.

With its dedicated mixing stage, MapVolt enables the combination of both channels into a shared output. Furthermore, if one of the processor channels is inverted, it allows for the subtraction of one signal from the other.

Dimensions
6 HP
33 mm deep

Current Draw
65 mA +12V
65 mA -12V

Notes: A Juno-inspired oscillator module? We're flattered, but credit has to go to Roland for this one. Based on the Juno-106's digitally-controlled analogue oscillators, the Castor & Pollux modernises the 80s design with a built-in LFO and hard sync.

Supplier's Notes:
Twins that dance in and out of phase, never completely together but never fully apart, bound to each other in the infinite universe.

Castor & Pollux is a dual oscillator that echoes back to the legendary Roland Juno but shines with its own unique, massive voice. It contains two digitally-controlled analogue oscillators implemented using a faithfully modernized version of the original Juno 106 design. It builds on the classic '80s sounds of its inspiration by using the second oscillator and internal LFO to layer in thick detuned sounds and harmonically complex hard synced waveforms.

Castor & Pollux II brings a redesigned interface and moves individual waveform outputs to an included expansion. Both versions have the same features and use the same firmware.

14 HP
+12 V @ 100 mA, -12 V @ 35 mA
25 mm deep
2 separate oscillators
7 octave range
9 total outputs with waveform outputs and onboard mixers
Pitch CV input jacks (0 V to 6 V) and pitch knobs (-1 to +1 octave, configurable)
Pulse width CV input jacks and knobs
Hard sync
Hardware chorusing
Internal low-frequency oscillator (LFO)

Notes: Yep, it's an attenuator. With a fancy name! And LEDs!

Sinc Defero's inputs are circularly normalled, too, so you can use it as a mult by leaving inputs unpatched.

Features:

Size and power:

4HP Eurorack
+12v: 45mA
-12v: 40mA
Sinc - from Old English sinc for "treasure" and Greek clastic for "easily removable"

Defero - from Latin for "sloping down"

"Portable treasure reduction"

What's in the box:

Module
Power cable
To reduce excess materials, screws will no longer be included with Noise Engineering's modules beginning in 2023.

Notes: The Tone Science Triple Cross module is a design collaboration between electronic musician/composer Ian Boddy and AJH Synth.

It features three independant cross fader and panner channels, and it can be used with both audio and CV signals. Each of the channels can be configured in one of four different ways:

1) One In, One out Linear VCA

2) Two in, One out crossfader

3) One in, Two out panner,

4) Two in, Two out cross fader & reversing panner combined.

Audio rate modulation can also be used on the CV inputs to create Ring modulation and Cross modulation type sounds. Each channel has a dedicated Fade control, CV input, and CV Level attenuverter. These can be used together to bias incoming CV signals.

The L1 and L2 outputs from channels 1 and 2 are normalised to channel 3's inputs, which also have their own level controls to balance incoming signals. This allows very interesting, complex fading and panning between four different input sources, to either Mono or Stereo outputs..

The Triple Cross is very versatile, yet relatively simple to understand and use. However, as they say "knowledge is power", so do spend a little time reading about how to configure the channels in the four different modes, and how to combine all three channels together to create a super-powerful Four to Two to One cross fader.
Each of the three channels can be configured in four different ways, and all three can be used simultaneously. They do not all have to be in the same mode, so we could for example use channel 1 as a cross fader, channel 2 as a Panner for completely different signals, and channel 3 as a Linear VCA, again for different signals.

Specifications

Effective CV Range for CV-1, CV-2 and CV-3 is 0 to +5V with attenuverter fully clockwise or 0 to -5V with attenuverter fully anticlockwise.
Maximum permissible CV Range for CV-1, CV-2 and CV-3 is -12 to +12V
IN 1A to IN 3B Input levels -5V to +5V, levels up to +/-10V are possible however some clipping may occur.
Module Width: 14hp
Module Depth: 26mm (Including power lead)
Current Usage: 80mA Positive, 72mA Negative

Notes: Designed to integrate sound sources from outside Eurorack, Verbos's Real World Interface offers three channels including built-in microphones, preamps, envelope followers and a frequency detector.

Supplier's Notes:
The Real World Interface is a 3-channel external processing module intended for connecting with sound sources outside the system. The channels are oriented as vertical channel strips. The left and right channels have a built-in condenser microphone, preamp, envelope follower with variable decay and gate extractor. In addition to a preamp, envelope follower and gate extractor, the centre channel also has an Automatic Gain Control (fixed high ratio compressor), fundamental extractor (tracking lowpass filter), frequency detector and locked oscillator. Internal microphones are useful for introducing electro acoustic room sounds into the modular. Envelope followers can be used to have external signal levels effect parameters such as filter cutoff or level for building dynamics processors. Gate extraction allows external sounds such as metronomes, clicks, claps or room sounds to advance sequencers, trigger sounds or initiate other events. The Frequency Detector can extract the pitch of simple monophonic sounds but is also a semi chaotic CV source in the tradition of such modules since their introduction in the 1960's. The Locked Oscillator plays a sine wave at the same pitch as the input signal.

Size: 18HP

Notes: Oof. Frap casually serve up one of the best filters we've seen in a long time. Quad multimode circuits with saturation and feedback give you extensive routing options. Delicious.

Supplier's Notes:
cunsa /'cu?nsa/ s.f. [dialect of Modena of uncertain etymology, probably from a Latin *comptiare, derived from comptus, participle of comere 'organize,' 'decorate'] i curing, seasoning (of foods), tanning (of leathers).

Seasoning is crucial for cooking. It is a process that enhances the flavors, glues the ingredients together, and even adds some unexpected kick.

From a gentle refining touch to a shovelful of spice, CUNSA is the perfect seasoning tool for your patches. It can sweeten a sour lead or beef up an insipid bass line, and anything in between.

And, just like a good oil, you can even taste it by itself!

CUNSA is a quadruple analog pingable multimode resonant filter, saturator, mixer, and oscillator.

It is Frap Tools' sound seasoning tool: it can gently even a patch, applying a final touch, or it can set it on fire with a ridiculous amount of spice. It's up to you and your cooking style!

It consists of four multimode resonant filters with a custom saturation and feedback control that you can use independently or in various combinations and roles thanks to a series of seminormalizations.

Four Analogue Resonant Multimode Filters

CUNSA features four state-variable filters that can be used independently or linked and mixed. Each filter provides three behaviors simultaneously: lowpass, bandpass, and highpass. Each behavior has a 12 dB/oct slope, except for the lowpass, which can be either 12 or 24 dB/oct.

Unique 'Character' Circuit for Feedback and Distortion

CUNSA handles feedback and gain staging with extreme control and versatility. Besides the usual Q control that emphasizes the cutoff frequency, the Character circuit defines the amount of soft clipping when the filter overloads. High clipping guarantees a controlled behavior with fat tone and pure resonance, while low or no clipping lets the signal saturate the filter stages and make it scream.

V/oct Tracking and Quadruple Oscillator

Each filter responds to the V/oct signal with excellent tracking. It is thus possible to move the cutoff frequency along with the main melody or make CUNSA resonate with no input and transform it into a multiple oscillator. The V/oct inputs are seminormalled so you can control more filters with the same CV. Easy chords stabs!

Ping and Ring

CUNSA is ideal for percussive and organic tones. The Ping circuit offers a behavior similar to the BRENSO but AC-coupled. Instead of shooting the frequency to the moon with any trig, CUNSA gently responds to different incoming gates with a selectable decay curve. The Ping circuit can thus create natural decay sounds when fed with trigs or smoother envelopes with any other voltage, like a linear integrator with a custom decay.

Besides this, you can also feed the filter's audio input with trigs and make it ring at high Q settings.

Linked or Individual Filtering

The four filters can work independently or arranged in groups through seminormalled inputs and sum outputs. CUNSA can thus be a 4×1, 2×2, or a massive 1×4 filter. Even odd configurations are possible, like 1+2+1 or 3+1. Mono, stereo, or quadraphonic audio is at your fingertips.

Filter and Combo Behaviour

When the filter behavior is set to COMBINED, every control of the cutoff frequency also affects the input VCA, reducing the signal amplitude and saturation as it approaches the lowest range. It can make organic decays with the ping circuit or tame the low range at high Q and Character settings.

Four Seminormalizations for Group Use

Four inputs have a cascaded seminormalization: audio inputs, VCA CV, V/oct, and Ping. Every signal patched to a filter will thus feed also those at its right, making simultaneous use even simpler. To remove a seminormalization, simply patch a dummy cable to the corresponding input.

Analog Mixing Stage and Group Outputs

Every filter output can be routed to an analogue mix bus that sums the four filters and outputs them in three combinations: all, 1+2, and 3+4. These outputs allow for versatile audio processing. Just like we did with FUMANA, we added a gentle shelving EQ for the higher frequencies of the All output to provide additional timbral variety.

CV Inputs with Attenuators

Besides the seminormalled inputs, every filter features additional CV inputs for cutoff frequency, Q, and Character, each with a dedicated attenuverter.

Notes: Combining the power of multi-oscillator wavetable synthesis with the percussive detail of sampled sounds, Pianophonic is a powerful hybrid synth engine featuring 8 voices of polyphony. Not limited to Piano sounds, the voice architecture of Pianophonic is extremely versatile and easy to use with the essential controls laid bare on the front panel, and the most significant CV inputs and outputs provided for full integration within eurorack patches.

Taking its inspiration from the wavetable/sampler keyboards of the 90s, Pianophonic revisits a lean and mean approach to digital sound creation but instead with 24bit 48Khz quality and fingertip control of the parameters that really matter.

With a built in SD card and an online re-synthesise utility, allowing users to create their own sound banks, the possibilities for sound exploration are limitless.

Notes: The Morphor Distortion - LED Based module is a compact and characterful analogue clipping distortion module. Loosely based on the legendary MXR distortion circuit this module is perfect for adding some extra crunch to your patches.

With CV-controlled gain setting, three distortion modes and a dry/wet mixing control, this module gives you lots of options to spice up your sound without taking up too much space. Internally the clipping is performed by LEDs which are also shown in the front of the module, so you can see your sound getting destroyed with your own eyes.

Weight: 53 g
Dimensions: 128.5 × 20 × 40 mm
Width: 4 HP

Notes: The Morphor Mixer - 5 Channel Amplifier is a flexible analogue mixer module that can find a home in every type of Eurorack setup.

Each of the five channels feature an attenuator knob and mute switch to allow for instant playability, for example in live settings.

Input signals can be AC or DC-coupled depending on your preferred setting.

The output stage also features an extra attenuation/gain stage that allows you to double the mixed signal. An additional master mute switch, clipping LED are nice-to-haves that complete this intuitive mixer module.

Weight: 102 g
Dimensions: 128.5 × 40.3 × 30 mm
Width: 8 HP

Notes: A (buffered) mult is an essential item in every rack. This buffered DC-coupled module will fulfill all your audio and CV multiplying needs.

With a little switch on the back the module can be configured in two different modes.
The 1-to-8 mode speaks for itself, offering eight identical copies of your input signal.

The double mode offers a 1-to-4 and 1-to-3 buffered multiple with the first input getting normalised to all output jacks if the second input stays unused.

Weight: 27 g
Dimensions: 128.5 × 9.8 × 30 mm
Width: 2 HP

Notes: The Morphor VCF Multimode is an intuitive, no nonsense 8HP fully analogue filter module. Featuring a dedicated lowpass and highpass filter core.

To shape the sound exactly the way you want, both filter sections have a cutoff frequency control over the whole audible frequency range through a knob and bipolar CV jack. Additionally, resonance control and a switchable pole selection are available.

The second output acts as both a bandpass and highpass output, depending on the position of the BP/HP mixing knob. Combining all these features results in an easy-to-use but flexible module to perform your unique filter needs.

Weight: 110 g
Dimensions: 128.5 × 40.6 × 40 mm
Width: 8 HP

Notes: Great value from this versatile percussion module, built around a noise generator and four linked envelope generators, each with its own VCA. Generate hi-hats, envelopes, shape drums or create modulation sequences.

Supplier's Notes:
Ricochet is a compact, fully analogue module featuring four interconnected decay envelopes, each with its own VCA and an integrated noise generator.

The module's design is inspired by the way skipping stones bounce on the water, creating a versatile tool for crafting percussive sounds.

The exponential envelopes are specifically designed to generate dynamic percussive tones. The unique linking function connects the end of one envelope's decay to the trigger of the next, enabling the subsequent envelope to activate once the previous one ends. This innovative feature allows you to create ratcheted envelope.

A front-panel trimmer lets you adjust the threshold for triggering subsequent envelopes, while a rear header enables connecting two Ricochet modules together, or linking the last envelope to the first. This feature transform the Ricochet to a weird sequencer where the steps length depend of the decay times.

Since Ricochet is fully analogic, trig inputs are velocity-sensitive, responding to a standard gates but also allowing attenuation to modify the envelope's velocity (you can play with the dynamic of your sound by attenuating the trigg input. Ricochet is also perfect to play with drum pads).

Each VCA features a gain control that can be pushed to achieve subtle saturation.

All envelopes and VCAs have separate outputs, but there are also mixed audio and envelope outputs. When an individual output is connected, it is removed from the mix. The decay modulation inputs are normalized between each other.

Last but not least, an analogue noise generator is normalised to the first input, so you can use ricochet on it's own to create hi hat kind of sounds

Main features:

- Fully analogue design so everything is responsive to the amplitude
- Unique linked envelopes feature
- Compact 4 envelopes 4 VCAs module
- Linkable to a second ricochet or looping back the last envelope to the first one

Some applications:

- Envelope generator
- Drum shaper
- Hi-hat
- Clap envelope shaper( with short ratcheted envelopes)
- Envelope sequencer
- Trigg delay
- Burst generator

Technical details:

- Fully Analogue design
- 14hp
- Skiff friendly
- Reverse power protection

Notes: Psychosis is a high quality true stereo - 6 channel mixer eurorack module, that has the unique ability to pan an input signal, from left to right with a single control.

It is equipped with a set of 4 stereo effects - reverb, delay, chorus and flanger, all trimmed for the modular levels.

This module is an easy gateway into mixing multiple signals as the last part in your signal chain.

10HP.

Notes: Digitally-controlled full-analogue path Granular + Multimode VCF

The Grainity brings a unique and never-heard-before concept to the world of analogue VCF.

While being based on analogue filtering only, the Grainity expands and enriches the sound in creating subharmonics, harmonies, unison, flanging effects and formant filtering all at once.

The module presents two sections, the granular filter itself and a typical multimode filter, each with its own output.

A third output offers a mix of both filter paths. Numerous controls and CV allow a very wide palette of results.

What is the Grainity

Granular?

The word granular was chosen for this filter module in relation to the concept invented by the composer Yannis Xenakis, and which is described as assembling small chops of sounds - he called grains - according to a pattern.

This is exactly what the Grainity does, no more no less ... but, digital control allows doing it in ways that are decades away from what tape and scissors allowed at the time.

Technology wise ...

In the granular section, the incoming sound cycle is determined in order to step through various filtering and phase variations of itself according to predefined patterns called structures.

The controls allow alterations to the cycling phase, cycling frequency offset (tuning), structure selection and frequency division of the filters cycling. This comes in addition to the usual filter frequency and resonance controls.

What the Grainity is not

Technology wise ...

Despite relying on a microprocessor, the Grainity is not a digital audio processor. At any time, the sound remains in the analogue domain and goes through analogue circuits from in to out.

The digital processor does not convert or generate audio signals; it is there to control the analogue circuitry and manage the interface and display.

Sound wise ...

Several digital modules offering granular processing rely on the layering of sound grains, which leads to blurry and cloudy textures.

Layering of the grains is a late addition to the concept of granular synthesis and is not a mandatory feature of the concept.

The Grainity does not use delay lines or sampling memory but is nevertheless true to the foundations of the granular synthesis concept.

The granular VCF in the Grainity is unconventional in that, most of times, it is not filtering the sound in the common expectation of removing something. Typically, the granular process adds more than it removes by expanding both the lower range, creating subharmonics, and the upper harmonic contents in multiples ways.

Dimensions
10 HP
21 mm deep

Current Draw
101 mA +12V
59 mA -12V
0 mA 5V

Notes: The Man-Machine Interface, or MMI, is a passive touch and pressure sensitive controller which allows the user to direct CV and audio signals at will. The MMI consists of three input/output jacks, and five body contact surfaces in glorious gold.

The zig-zag body contacts correspond to the input/output jacks, with the top zig-zag connecting to the top jack, the middle zig-zag connecting to the middle jack, and the lower zig-zag connecting to the lower jack. The spiral patterns in between the zig-zags are comprised of the two adjacent jacks, so the upper spiral is comprised of the upper and middle jack, while the lower spiral is comprised of the middle and lower jack.

In order to operate the MMI, the user can touch any two points with their fingers, patch cables, a piece of fruit or vegetable, or any other conductive substance or object, in order to complete the connection. The degree of contact made with the MMI, and the resistance of the object completing the circuit, will determine the output that is sent along the circuit. For instance, if a user were to patch a VCO into the top jack, and patch the MMI into a filter in the middle jack, the VCO will be sent to the filter when the topmost zig-zag and lower zig-zag are connected by two fingers, for instance.

But how about the spirals? The spirals offer a way to make a connection with one finger. Using the example from before, the connection will instantly complete when the user touches the upper spiral pattern. Using this principle, it becomes possible to use the MMI in unusual and interesting ways, such as a rudimentary keyboard, a drum controller, a switch and any other number of weird and exciting purposes.

It is also possible to combine several MMI - using two different MMI, it is possible to reach across one zig-zag to another zig-zag, in order to make a different connection, or to place a particularly long vegetable across all the contacts just to see what will happen. The MMI is an unusual patching system for the experimental musician, and lends itself well to all manner of experimentation and weird instruments.

The MMI can bleed a tiny bit of signal when using sharp VCO waves like square waves, while other sounds like sine waves will have softer responses. This can easily be corrected with amplification or attenuation as needed.

The MMI takes up 4HP and is skiff friendly, and is also suitable for installing in external boxes as a passive control unit. You can combine any number of MMI to create increasingly complex keyboard-like arrangements, drum pad matrixes or advanced switch systems.

Dimensions
4 HP
14 mm deep

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: 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. ***