Synth modules

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


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: ***B-STOCK: Box opened, product in perfect working order***


ADSR is a four stage linear envelope with two expressive ranges. Each stage can be modified independently allowing for the creation of complex, multi-segment envelopes. Great for modulating filters, VCAs, and oscillators.

Notes: ***B-STOCK: Without original box, product has light surface marks but otherwise in perfect working condition.***


ADSR is a four stage linear envelope with two expressive ranges. Each stage can be modified independently allowing for the creation of complex, multi-segment envelopes. Great for modulating filters, VCAs, and oscillators.

Notes: ***B-STOCK: Without original box, product has light surface marks but otherwise in perfect working condition.***


Clk is a voltage controlled clock generator with all the features a master clock needs. It has an extremely wide range from ten seconds between pulses well into audio rate. In addition, the pause button and CV input provide an expressive feature that is all too often missing in a modular setup. Stop using LFOs or other modulation sources for your master clock, and let Clk do what it's best at.

Notes: ***B-STOCK: Without original box, product has light surface marks but otherwise in perfect working condition.***


Delay is a flexible, full-featured delay audio processor. CV over all parameters provides dynamic access to its nuanced controls. The feedback path ranges from slapback to infinity, allowing for wild permutations of the original signal.

With delay times from milliseconds to nearly two seconds, Delay is sure to find a use in every patching situation. Add subtle echo to a melodic line, or crank up the feedback and hear a bed of layered sounds to bury your listeners in.

Notes: ***B-STOCK: Without original box, product in perfect working order***


Freez is a voltage controlled locked looper. It captures moments of audio in buffers, where they can be minced and mangled beyond recognition. Once frozen, adjusting size will cause pitch and timbre changes to the locked audio.

Adjusting the sample rate control will distort and decimate the incoming audio as well as warp the time domain of the currently locked buffer. From beat repeat to granular audio buffer, Freez will create new sounds and textures out of any input signal.

Notes: ***B-STOCK: Without original box, product in perfect working order***


Hat is a hi-hat cymbal with a wild side. Finding something unique is easy with a blend of sounds ranging from robotic to metallic. At its core are three unique sound sources made up of six oscillators, a noise generator, and a number of filters. Sizzle affects each source independently, adjusting oscillator and filter frequencies, allowing for a broad range of sounds. In addition, separate trigger inputs for open and closed allow for a complete hi-hat pattern on a single module. No matter what situation it's in, Hat provides shimmering, metallic timbres for any percussive purpose.

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: ***B-STOCK: Box opened, light surface marks, product in perfect working condition ***


Great value from 4ms's twist on the Stereo Triggered Sampler module, this time capable of playing and manipulating stereo or mono WAV files from an SD card.

Supplier's Notes:
The Sampler is a variation of the Stereo Triggered Sampler.

Record, play and loop stereo .wav files with an SD Card. Includes the same 2022 Sampler Pack from the Stereo Triggered Sampler.

Features:

The Sampler plays stereo or mono .wav files from an SD Card. Samples are arranged into banks by placing .wav files into folders (each folder is a bank). A maximum of 10 samples can be loaded in a bank. There is a maximum of 60 banks (600 samples maximum total).
Sample files are limited to 4GB each, which is over 6 hours at 44k/16b/stereo.

Hundreds of samples included on microSD card
Extremely quiet, low noise and low jitter design
Stereo or Mono output

A knob and CV jack selects the Sample to play, and the Start Position knob and CV jack control where in the sample playback will begin. The Length knob and CV jack determine how much of the sample is played back: from tiny grains, to percussive hits, to longer loops... or just the entire file.

Pressing Play or firing a trigger into the Play Trig jack will play the sample. Holding the Play button down for a second will toggle looping.

There's also a Reverse button and jack for backwards playback, and an End Out jack for synchronizing loops, or cascading sample playback with other events.

To record samples, hold Play and Reverse for two seconds. Press Play again or fire a trigger into the Play/Rec Trig jack to start and stop recording. Each recording will create a new stereo 48kHz 24bit .wav file in the current bank's folder. Recordings can be as long as your card has the capacity for: a 256GB card is 18 days of continuous recording (432.9 hours). Audio data is split into maximum 4GB wav files on the microSD card.

Play button/trigger jack: Tapping the button or receiving a trigger starts/re-starts the sample
Sample CV/knob: select which sample within the channel's bank
Pitch CV and Pitch knob: playback pitch (-10 to +4 octave range)
Start Pos CV/knob: position in the sample to begin playback (loop start point)
Length CV/knob: playback time (loop end point)
Length knob at max: entire file is played
Length knob 50%-99%: 200ms - 5s of the sample is played (beginning at the Start Position)
Length knob <50%: Percussive decay envelope is applied to the playback (attack-only envelope if playing Reverse)
Length <1%: Tiny grains are played (can be used to sweep through sample file data manually)
Reverse button/jack: toggles forward/backwards
Bank button: selects channel's bank
Reverse + Start Pos button/knob combo allows for setting volume of playback
Maximum file size for playback: 4GB per file (6.7 hours per file at 44.1kHz/16b/stereo)
microSD Card is hot-swappable when Busy light is off: no power-down required to change cards.
Samples that are pre-loaded into memory can continue playing while card is swapped.

File Organization:

Using a computer, the intuitive automatic bank loading features make dragging and dropping your entire sample library a snap. No files need to be renamed. Just create folders and put up to 10 samples in each. If you want a folder to be associated with a particular colour of the Bank button, name the folder a colour name (such as "Blue - Loops").

Ships with a high-speed 16GB microSD card, loaded with hundreds of samples created for 4ms, from musicians such as Richard Devine, Wobbly, Moor Mother, Robert Aiki Aubrey Lowe, Joseph Pailo, Russell E.L. Butler, Hugo Paris & Marc Kate, Paul Barker, Baseck, Animal Collective, Cristian Vogel, Jay E, Marcus Fischer, Chris Carter, Daedelus, Nero Bellum, Anna Sitko, Thomas Fang, Bogdan Raczynski, and more (Sample List)

Intuitive bank/colour organization system; no need to rename your wav files
Record new samples directly to a bank with the Record Input jacks...
... or drag your folders of sound files onto the microSD card, and each folder will become a bank.
Folders starting with a colour name will be loaded into that colour bank
Example "Blue - Frooty Loops" will load into the Blue bank
Sub-folders are ignored, only folders in the root directory are scanned for wav files
Works best with UHS Speed Class 3 cards with |3| symbol printed on the card

Specs:

Electrical and Mechanical Specifications:
Module Size:
16 HP Eurorack format module
10-pin Eurorack power header
1.3" (33mm) maximum depth with power cable
Power consumption:
+12V: 135mA
-12V: 41mA
+5V rail: not used
Connect red stripe of power cable towards the bottom of the module, which is marked with a white stripe and the words -12V and POWER
Audio Inputs:
20Hz to 10kHz (+/-0.1dB); -6dB rolloff @ 20kHz
21V peak-to-peak maximum before clipping
Audio Outputs:
0Hz (DC) to 22kHz with maximum -1.8dB difference between file data and output
+10.5V to -10.5V maximum output
Trigger inputs:
Latency: 0.7us typical

Included with the Sampler:
16GB micro SD card (class 10)
SD adaptor
10-to-16 pin power cable
M3 Knurlie screws

Notes: ***B-STOCK: Box opened, product in perfect working order***


A fresh twist on a simple 303-style acid synth, featuring a triangle/sawtooth/square wave VCO, multi-mode resonant filter, simple AD envelope and a VCA which can be overdriven. Excellent value.

Supplier's Notes:
ADDAC started this module with the idea of developing a complex drum source however, somewhere along the process, it was clear how much better it performed as a synth voice and this lucky accident was embraced.

It features a VCO with a [FREQUENCY] and [FINE TUNE] knob plus a dedicated CV Input and Attenuator knob (tunable over 4 octaves).

The VCO waveform output is achieved by selecting either a Triangle or Saw through a switch. the selected waveform can then be mixed/balanced against the square wave. The resulting mix is then sent to the Filter.

The Filter features a [CUTOFF] and [RESO] resonance knob plus a Cutoff CV Input and Attenuverter knob.

A 3 position switch is used to select the filter type: Highpass, Bandpass or Lowpass.

The resulting output is then sent to the VCA.

The VCA features an Input with [INPUT GAIN] knob which at maximum can amplify the incoming signal by a factor of 2.

This is a very important control, it accepts any signal Trigger, Gate or CV. Whatever input is plugged in the signal is then fed through an AD with a very short attack and controllable decay through the [VCA DECAY] knob plus the CV Input and Attenuverter knob. The resulting slewed signal is then used to control the VCA gain.

This signal is also sent to the CV OUTPUT as well as the LED monitor.

The Accent input adds to the Input signal creating a different amplitude output.


The CV OUTPUT is normalled to the Frequency and Cutoff inputs.

Tech Specs:
9HP
4cm deep
80mA +12V
80mA -12V

The [INPUT GAIN] knob

Usually Attack/Decay envelopes have a maximum voltage of +5v, no matter if the input gate is +5v or above the AD will clip at +5v. In this case, this clipping method was not used, and instead ADDAC allowed the incoming voltage to determine the maximum AD voltage, meaning that if a +5v gate is present then the AD maximum voltage will be +5v but if a gate of +10v is sent then the AD maximum voltage will be +10v.
This also means that with higher input voltages the decay, although falling at the same speed, will be longer than with lower voltages as it has a longer range to go back to 0v.

As previously mentioned, The [INPUT GAIN] knob can amplify the incoming input by a factor of 2, allowing to use a standard +5v gate or envelope and being able to make the resultant AD go up to +10v.

The AD signal is responsible for opening the VCA. Up to +5v the VCA will open to unity gain above this value the VCA will start to amplify and eventually saturate and distort. This saturation will add harmonics to the signal which will change its gentle timbrical nature to a more unique and peculiar timbre that will make the module shine in Acid contexts.

Adding high levels of Resonance or even filter self oscillation in combination with high VCA saturation will create even more harmonics that ADDAC highly encourage the user to explore.

Notes: ***B-STOCK: Box opened, product in perfect working order***


One of the most impressive granular synthesis approaches in Eurorack, combining looping and granular effects with buffer sizes up to five minutes. Hugely creative and powerful dual-module setup.

Supplier's Notes:
There's a long history behind the granular concept and many reinterpretations of it's core principles, this is ADDAC's take on it.

In a loose description digital Granular refer to pieces of sound files being played at the same time with slight or completely different parameters originating what is commonly referred to as granular clouds. Normally there's a buffer size from which the granular engine snips it's pieces from and plays them according to the parameters set. This buffer size is normally small in size where grains are so small that can reach the hearing spectrum and be heard as a sort of ever changing complex wavetable, this is the principle behind granular synthesis.

ADDAC have added the possibility of long buffer sizes up to 5 minutes, allowing "softer" approaches to the granular principle using it as an effect that can generate from "accidental" effects like slight "stutters" to extreme processing and transformation of any incoming audio signal.

This module is conceptually deep but easy to grasp and operate as all controls are in its dedicated panel, all jack inputs and outputs have its own separate panel to allow no compromise when playing it's controls.

There are three main sections in this module:
Looper Engine: The Looper is where all the Real-Time recording happens. The audio input feeds the recording buffer, multiple controls allow to record and play loops into a list so that any sample in the list can be accessed at ay time and more acting as a standard looper
Granular Engine: The Granular acts upon the buffer of whatever LOOP is selected.
Output Mix The output mix allow individual control for the Dry Input, Looper Volume and Grains Volume.
Besides these main sections there's also a simple strip down MENU mainly used to LOAD and SAVE Banks, no Menu diving guaranteed.

For more detailed info, please refer to the User's Guide.

Audio Specs:
Audio input: Stereo, 16bit 44.1Khz
Audio output: Stereo, 16bit 44.1Khz

Tech Specs:
32HP + 13HP
4.5cm deep
240mA +12V
70mA -12V

Notes: The 2CVADD-HQ is a dual precision adder especially for adding 1V/octave (pitch-controlling) CVs. This makes it possible e.g. to transpose a sequence. Compared to general purpose CV mixers (like POLAMIX), this module does the summing of the CVs very precise (within a few millivolts), so the desired pitch is not affected.

The module offers three CV inputs for each of the both units; the first unit has an additional fourth input where the CV is subtracted - meaning "transposition downwards".

If you would like to have transposition buttons to shift by one or two octaves (or a free offset), take a look at the CVADDER-HQ module.

Notes: The CVADDER-HQ is a precision adder especially for adding 1V/octave (pitch-controlling) CVs. This makes it possible e.g. to transpose a sequence. Compared to general purpose CV mixers (like POLAMIX), this module does the summing of the CVs very precise (within a few millivolts), so the desired pitch is not affected.

The module offers four CV inputs where three of them are summed, and the CV at the fourth input is subtracted - meaning "transposition downwards".

This module also allows transposing the incoming CV by one or two octaves or a variable offset by buttons.

A separate output provides the voltage of the internal transposition (+1, +2 octaves / free).

If the transposition buttons are not necessary and you prefer to have a dual precision adder, take a look at the 2CVADD-HQ module.

Notes: Two channel expander for Bartender

Mixer section

Each channel has the following:

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

CV inputs for both panning and level control

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

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

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

Expandable Mixer Series

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

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

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

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

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

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

Supplier's Notes:
Four channel stereo production mixer

Mixer section

Each channel has the following:

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

CV inputs for both panning and level control

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

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

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

Mains Section

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

Cue Section

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

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

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

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

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

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

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

Expandable

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

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

Notes: Dual three channel voltage controlled panning mixer

Mixer section

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

Panning and VCA

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

Built-in LFO

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

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

Notes: ***B-STOCK: Item refurbished, repaired and in perfect working order.***


Six segment generator. Looping or one shot envelope generator. Chainable, so it can be expanded to link multiple units.

An exact hardware replica of the Mutable Instruments Stages.

Dimensions
14 HP
25 mm deep

Current Draw
80 mA +12V
20 mA -12V
0 mA 5V

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

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

Dimensions
2 HP

Current Draw
Module does not draw current

Notes: Two channel USB module.

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

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

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

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

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

Notes: The Low Fat is a new 2hp Eurorack module by AJH Synth, it's a High Pass filter, with frequency control by either manual pot, and/or external CV with attenuator. It's intended to compliment other filters, particularly low pass VCF modules, in practical tasks such as removing excessive low frequencies, for example when the bass is swamping a mix. It can be switched between 6dB (1 pole) response and 12dB (2 pole) response.

By patching a CV signal to the FCV input it can be voltage-controlled and used musically as with any other VCF. When used in conjunction with a LP filter it forms a fully customisable band pass filter, allowing the range of passbands to be cherry-picked. Feeding in a 1V/Oct pitch CV and setting the FCV pot to a suitable level allows it to track an incoming pitch CV, so the amount of High Pass filtering remains constant as the pitch of the incoming VCOs traverse up and down the frequency range. This can be particularly useful in creating percussive sounds, such as snares and hats, but also on sequenced bass lines. Since it is only 2HP it's a great way to occupy one of those frustrating gaps in your eurorack modular case with something that is deceptively useful, and adds another dimension to the classic bass monster that is the Transistor Ladder Filter.

Dimensions:
2 HP
26 mm deep

Current Draw:
9 mA +12V
12 mA -12V
0 mA 5V

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


The Tone Science Chance Delay is a unique concept in Eurorack modules as it combines chance and randomness, with pulse delay and pulse conditioning. It is a collaboration between electronic musician/composer Ian Boddy and AJH Synth.

It can perform as a Chance generator, but is also capable of pulse stretching for Trigger to Gate conversion, pulse shortening for Gate to Trigger conversion, Gate Delay, Sub Bass Generation and also "divide by n" clock division.

There is a wide range of control and all functions can be operated manually from the front panel or can be automated using external CV voltages. Chance can range between 0 to 100%. The Gate out can be delayed by anywhere between from 0.5mS to 30 Seconds, and the output Pulse length can also vary from 0.5mS to 30 Seconds.

The TRIG push button allows manual triggering of pulses, also determined by the Chance control, and a green LED shows the output pulse status.

Includes a handy "Gate pass through" mode; when the Length control is set to zero the incoming pulse or trigger will still be determined by the Chance and Delay controls, whilst the outgoing gate length will be the same as the incoming gate length.

Compact 8hp form factor and very low power consumption make this an excellent addition to any Eurorack system.

Key features:

Chance, Gate Delay time and Pulse Length can all be set manually or controlled using external CV voltages.

The 'TRIG' push button allows manual triggering, and Chance will be applied to any manual triggering too.

Fast processing allows operation into the lower audio range, so it can perform sub bass generation on drone type sounds. In this mode the Length pot (or an external Length CV) can be used to change the PWM of the output waveform.

After the initial trigger pulse has been acted on, further incoming pulses are ignored until the current cycle has finished. This useful feature allows it to perform "divide by n" division on gate pulses, so it can be used for clock division, and the delay function can be used to add a "swing" away from the rhythm.

Gate pass through mode - if the Length pot is set to zero, then the incoming gate length is preserved, so in this case the gate has Chance and Delay time applied to it, but the outgoing gate length is the same as the incoming gate length.

By setting Chance to 100% and Delay to zero (0.5mS) it can be used as a Gate to Trigger converter, or a Trigger to Gate converter, depending on the Pulse length set with the LENGTH control. We can also use an external Length CV to shorten or increase the length of the output pulse in real time.

Fast and slow ranges for both DELAY time and PULSE length - Fast range is 0.5mS to 2 Sec and Slow Range is 2 Sec to 30 Sec.

Green status LED shows when the output pulse is high.

Front panel controls

Chance Control and CHA Input

This sets the probability of an incoming trigger or gate being passed through to the Pulse Generator circuit. The chance can be set anywhere between 0% and 100%.

The CHA input allows an external control voltage (CV) to control chance remotely. In this mode the Chance control acts as an attenuator for the incoming CV. With the Chance control fully clockwise a CV of +5V will give 100% chance, and lower CV voltages reduce the Chance accordingly. For example, a +2.5V CV will give a 50% chance. The attenuator function is useful if we are using higher control voltages of for example 0 to +10V. If we set the Chance control to the 12 o'clock position it would then halve the incoming CV signal, so in this case +10V will give 100% chance and +5V will give a 50% chance. Negative CV voltages are ignored and will be treated in the same way as zero volts..

Delay Control and DEL Input

This sets the delay amount that is applied to the leading edge of the incoming Gate or trigger received at the IN jack (or a press of the Manual Trigger button), assuming that the "Chance" has been determined to be positive. With the Delay Time switch set to FAST the Delay range will be from 0.5mS to 2 Seconds. With the Delay Time switch set to SLOW the Delay range will be between 2 Seconds and 30 Seconds.

The DEL input allows an external CV voltage to control Delay Time remotely. In this mode the Delay control acts as an attenuator for the incoming CV. With the Delay control fully clockwise a CV of +5V will give the maximum Delay time of either 2 Seconds or 30 seconds depending on the position of the Fast / Slow switch. Lower CV voltages reduce the Delay Time accordingly, so if we apply a CV of zero volts then we will get the minimum Delay time. The attenuator works on any CV patched to the DEL input in the same manner as described for the Chance control.

Length Control and LEN Input

This sets the length, or rather pulse width of the output pulse. With the LENGTH Switch set to FAST the pulse length can be anywhere between 0.5 mS to 2 Seconds. With the LENGTH Switch set to SLOW the pulse length can be between 2 seconds and 30 Seconds.

The LEN input allows an external CV to control Delay Time remotely. In this mode the Length control acts as an attenuator for the incoming CV in the same manner as the Chance and Delay controls.

Setting the Length control to zero invokes "Gate pass through" mode - in this case the incoming gate length is preserved, so the incoming pulse or trigger will still be affected by the Chance and Delay controls, but the outgoing gate length will be the same as the incoming gate length. Turning the Length control slightly clockwise will then invoke the minimum pulse length around control position 1, and further clockwise rotation will increase the Pulse Length as expected. This behaviour also applies to external CV's patched to the LEN input, where a CV of 0V will enable Gate pass through mode.

Fast / Slow mode switches

These switches allow the selection of Fast or Slow mode for Delay time and pulse length, so these ranges can be selected independently for Delay and Length. Fast range is 0.5 mS to 2 Seconds, and Slow range is 2 Seconds to 30 Seconds.

TRIG Switch

The TRIG push button allows manual triggering, and Chance will also be applied to any manual triggering, so depending on the setting of the Chance control, pressing the button has a chance of not doing anything! Holding the button down keeps the incoming gate high for as long as the button is pressed, however this is only really relevant in "Gate pass through" mode - normally only the leading edge of the input pulse is used.

IN - input jack

Connect your input here - a gate, output from an LFO, or even waveforms from a VCO. Any negative component of the input voltage will be ignored, so unipolar or bipolar signals can be used.

OUT - output jack

This outputs the binary pulse (or stream of pulses) that are generated by the Chance Delay circuitry. The gate low level is 0V and gate high level is +6V. The green status LED shows if a pulse is currently being generated.

Module Width: 8hp
Module Depth: 26mm (Including power lead)
Current Usage: 25mA Positive, 6mA Negative

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

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

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

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

Ideal For

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

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

Notes: 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: ***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: Think of the MFD like a tiny DJ mixer: two stereo inputs, one stereo output, with the option to cue either input and crossfade between the two. A simple idea very well executed.

Supplier's Notes:
Inspired by DJ mixers, the MFD allows you to cue and crossfade between signals. Ideal for live performance as well as jamming out ideas in the studio.

Supplier's Notes:
The 'MFD' is a 2-channel stereo crossfader designed for live DJ-style mixing and jamming in Eurorack. Two mono or stereo inputs are mixed to a single stereo output via direct or voltage control. Additional Cue controls provide preview monitoring of either input pre-mix via dedicated Cue switches and an output.

Voltage control over the crossfade and DC coupling allow for further creative uses such as a high quality stereo VCA or as a mix processor for either stereo audio signals or CV.

The MFD is designed to have very low noise and cross bleed and employs equal power crossfading for smooth constant level blending between signal sources.

Features:

Two channel stereo crossfader with voltage control.
Approx equal power crossfading.
Cue output switches for direct monitoring of either stereo input (pairing well with HPO for headphone monitoring).
Can be used as a high quality stereo VCA.
DC coupled for use with both audio and CV.
Skiff friendly with reverse power protection.
Two year warranty.
Made in England.

Ideal For:

Smoothly blending and monitoring 'tracks' or 'scenes' during a live set.
High quality VCA use for stereo based sources.
Voltage controlled crossfading and mixing of both CV and Audio signals.
Other advanced uses including audio rate modulation, stereo panning effects and a CV controlled FX send.

Technical Specifications

Supply: +12V 70mA / -12V 70mA

Size: 6HP

Depth: 32mm

Notes: Expandoor

The Expandoor gets you quickly and simply using AMP's Melody Oracle, Star Song, or Touch Tones (as well as other possible future devices) as a CV and Gate controller. It outputs Eurorack-compatible CV and GATE signals, transforming your AMP device into a versatile and novel modular synth sequencer or controller. The Expandoor can be used as a standalone tabletop box, or mounted in a 3U 10HP rack space.

Three independent GATE outputs:

Just as the three "Register" zones on your AMP device gate the audio for the three octaves of the built-in synthesizer, there are three corresponding gate outputs on the Expandoor. The 1/8" jacks labelled "BS" "LH" and "RH" output ~11V DC gate signals whenever those zones are gating "ON" on your AMP device.

CV output, tuners and LED indicators:

The jack labelled "CV" outputs a tuned set of CV values (0-11V), tuned independently but correspondingly, to the set of tuners on your AMP device. The row of multi-turn tuners on the front panel allow fine tuning of each CV state. One tuner is active at a time, depending on the state of the "INTERVAL" zones on your AMP device. The active tuner is conveniently indicated in real time via lights found to the right of the tuners. The indicator lights serve a second function of showing you which tuner on the controlling AMP device is also active in parallel.

AMP LINK jacks

The AMP LINK jack on the bottom left of the front panel (with the arrow pointing IN) connects your controlling AMP device into the EXPANDOOR. Use only shielded CAT 5 or CAT 6 cables and connectors (the correct cables will have metal end connectors). The AMP LINK jack on the right outputs a signal identical to the input, allowing chaining of multiple Expandoors and/or Wave Expanders. Do not plug more than one AMP controlling device into a single Expandoor simultaneously, or damage to the devices could occur.

Each controlling device requires its own Expandoor or Wave Exapnder, but multiple expansion modules can be chained from one controlling device. One potential benefit to chaining expansion modules is the ability to output multiple tuned, corresponding but independent, CV channels. Meaning multiple sets of harmonic values could be tuned and accessed at the command of the single controlling AMP device, or accessed via other modules in your system.

Tech specs:

Input: AMP LINK via shielded CAT5 or CAT6 cable
Power: 12V DC Supplied via AMP LINK
Outputs: 3 Gate (~11V unipolar), 1 CV (variable 0-11V unipolar)
Tuners: 8 multi-turn fine tuners for CV, with indicator lights
Size: 3U 10HP (approximately 5.25" H x 2" W x 1.5" D)

Notes: Befaco's unique GameBoy-based effects module allows you to change effects by swapping cartridges, all with CV control over key parameters. Effects include Skuara's harsh fuzz, Instruo's micro phaser and much more.

Supplier's Notes:
A crazy idea with the support of a bunch of crazy people.

A Multi FX module based on game carts!

FxBoy is a multi-FX module designed in collaboration with several talented manufacturers.

This is an effect unit with CV control over the parameters and Dry/wet control, with a Built-in CV controllable four bands EQ.

Each effect is physically hosted in a hot-swappable game cart and designed by a different manufacturer: Touell Skouarn with Skuara a harsh fuzz with overdrive, Instruo with micro Phaser, a two-flavoured Phaser, Feedback modules with a vintage Flanger, XOR with FX-Girl, a digital double effect module: Delay + Granularizer, Making sound machines with an analogue Wave folder, Tesseract with a bit crusher and Befaco Trash distortion!

What have these crazy people put in their cartridges?

Trash

Trash is a harmonic distortion that combines both clipping and folding flavours. Modes A and B will select between aggressive and more aggressive flavours!

Flanger

Analogue Wavefolder

Eskuara

AVMA
AVMA by Tesseract Modular is a bipolar VCA with one switchable wavefolder stage followed by an analogue frequency reducer. The VCA gain is x2, it can be used with i5V oscillator signals at the CV input for ring modulation effect.
Micro Phaser

Three cascaded all-pass filters, a built-in LFO and a saturator in the feedback path.

The purpose for this cartridge is to completely f&%k your phase up!

Instruo - We make sounds with the things that we make to make sounds with.

Technical Specifications

CV control over all parameters and Dry/wet
CV controllable four-band EQ, routable post or pre-effect.
Hot swap for all carts.
Selector for two different flavours of each cart.
Open specifications to design your own carts

Specs

Current needs: +12V: 125mA, -12V: 100mA, 5v: 0mA
Width: 12 HP
Depth: 35 mm (including power connector)
Aluminium, heat-treated front panel.
Designed and assembled in Barcelona.

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


Befaco's unique GameBoy-based effects module allows you to change effects by swapping cartridges, all with CV control over key parameters. Effects include Skuara's harsh fuzz, Instruo's micro phaser and much more.

Supplier's Notes:
A crazy idea with the support of a bunch of crazy people.

A Multi FX module based on game carts!

FxBoy is a multi-FX module designed in collaboration with several talented manufacturers.

This is an effect unit with CV control over the parameters and Dry/wet control, with a Built-in CV controllable four bands EQ.

Each effect is physically hosted in a hot-swappable game cart and designed by a different manufacturer: Touell Skouarn with Skuara a harsh fuzz with overdrive, Instruo with micro Phaser, a two-flavoured Phaser, Feedback modules with a vintage Flanger, XOR with FX-Girl, a digital double effect module: Delay + Granularizer, Making sound machines with an analogue Wave folder, Tesseract with a bit crusher and Befaco Trash distortion!

What have these crazy people put in their cartridges?

Trash

Trash is a harmonic distortion that combines both clipping and folding flavours. Modes A and B will select between aggressive and more aggressive flavours!

Flanger

Analogue Wavefolder

Eskuara

AVMA
AVMA by Tesseract Modular is a bipolar VCA with one switchable wavefolder stage followed by an analogue frequency reducer. The VCA gain is x2, it can be used with i5V oscillator signals at the CV input for ring modulation effect.
Micro Phaser

Three cascaded all-pass filters, a built-in LFO and a saturator in the feedback path.

The purpose for this cartridge is to completely f&%k your phase up!

Instruo - We make sounds with the things that we make to make sounds with.

Technical Specifications

CV control over all parameters and Dry/wet
CV controllable four-band EQ, routable post or pre-effect.
Hot swap for all carts.
Selector for two different flavours of each cart.
Open specifications to design your own carts

Specs

Current needs: +12V: 125mA, -12V: 100mA, 5v: 0mA
Width: 12 HP
Depth: 35 mm (including power connector)
Aluminium, heat-treated front panel.
Designed and assembled in Barcelona.

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

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

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

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

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

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

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

Notes: Space-conscious lowpass filter and volume processor.

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

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

Features

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

Specifications

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

Notes: 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: What does this do?

This is a sound generator module with 3 oscillators + noise generator. This module is a complete mini synthesizer that can easily produce snare drum sounds. A 'trigger' signal is patched in order to hit the snare drum. The bottom row contains an internal mixer where you mix in 2 shell generator oscillators, one thud oscillator, and a noise generator.

The Trigger input is level sensitive. Lower voltages will result in quiet snare sounds. You can use this to simulate accent.

The Filter on the 'Impact' signal path was carefully designed just for snare drum tone control. It sounds very nice. It will not self oscillate, but the Q control can go very high in frequency. It has a 12db High pass Filter and a 12db Band Pass Filter. There is CV control for the cutoff and CV control for the internal VCA.

An auxilary audio input has been added to the filter. You can mix external sounds.

The tone of this module is very hollow. It simulates wood like snare sounds.

What this module can not do:
-FM modulation of the internal vco's
-track 1V per octave
-increase the decay legnth of the vco's. 808 like.

This module will always remain in snare land. You can not make it sound like a lead synth. This is a good thing. No menu diving, and the snare is always ready.

History of the design:

The Asteroid Snare drum started out on bread board as a TR 606 snare drum. That design only contains one oscillator, a transistor based noise generator, and a 'clipper' brute vca. It is a nice efficient old design, but it is too simple and boring. I decided to add (2) of the original oscillators, and replaced the noise generator with a digital based noise generator to make sure all production units were alike. The snare drum still was missing fullness, so I designed an addition oscillator called 'thud'. The poor vca from the original design was removing all the additional harmonics, so that was replaced by a OTA based vca, and I added tonal controls to the IMPACT signal, and the THUD signal path.

A 12db analogue filter was recently added in the singal path of the Impact circuit. Audio input was also added, with a static internal HPF on this input. The Aux input will sound metal like by default.

All of this amounts to about 200+ smt parts. Far exceeding the original design.

Dimensions
16 HP
32 mm deep

Current Draw
48 mA +12V
45 mA -12V

Notes: Part of the 'Gimme Some' series. Gimme Some Drum....

What does this module do?

This module is a complete mini synthesizer that specializes in making analog kick drum sounds.

This product does not use a "Twin T" approach to make it's drum kick sound. This is using an actual 1v/octave triangle core VCO, and an OTA based VCA. The shaper circuit that converts a triangle wave into a sine wave was brought to the front panel. The shaper knob was calibrated to start its shaping at the beginning of a sine wave, and end with an overdriven square wave.

This parameter is called 'Timbre'.

This product can produce a wide variety of ultra generic analogue kick drum sounds.

Influenced by the Korg ER-1 drum synthesiszer, but laid out in an analogue fashion.

-toggle switches are connected to 'timing' capacitors. You can select decay legnths on the fly.

-Depth Knobs let ou precisely dial in how much punch, and loudness you want.

-Accent input lets you simulate 'Midi' velocity but with a positive CV input signal. This makes the Amplifier go louder in volume.

This is basically a CV input for the VCA circuit.

-POP parameter creates a clicky sounding, short audible pulse.

All the internal circuitry was optimized for drum kick. You really can't goof up and not make a percussive sound.
All you need is a triggering signal.

Internally Pre-Patch Products: OTA Triangle Core VCO + Sine Wave Shaper + Assist Percussion Utility

Dimensions
10 HP
32 mm deep

Current Draw
28 mA +12V
23 mA -12V

Notes: What does this do?

This is a mini analogue synthesizer that produces snare drum sounds. Inspiration was taken from the 5U Cor Synth DR02 module. Only the flow chart was studied and used to create this BLM product. VCV Rack was also used to simulate and test the building blocks.

Most of the circuits contained in this product are from other blue lantern module designs.

Some of the building blocks:

-2 1V/Octave Triangle Core VCO's
-2 Sine Wave Shapers
-4 Envelope Generator
-White Noise Generator
-High Pass Filter
-Tone Filter
-2 VCA's
-Mixer

The goal of this module was to recreate some of the more exotic electronic snare sounds.

You're not getting another Roland 'TR' module with the Gimme Some Snare Drum. All the building blocks contain full analogue circuitry, like OTA chips, and Op-amps. No vintage transistor based (Bridge T Oscillator) circuits are used in this product.

The best description as to what the kind of snare drum sounds this module can produce is something comparable to:

an Electribe Korg ER-1, Simmons Snare Drum, and the Mattel Synsonics.

Dimensions
16 HP
32 mm deep

Current Draw
107 mA +12V
97 mA -12V

Notes: ***B-STOCK: Box damaged, product in perfect working order***


This module gives you all the patterns needed to make percussive on the fly sequences. It is very simple to use; you just patch the trigger outputs to your external modules. There is an internal clock source.

Percussion Sequencer, Euclidean Sequencer

This product is a Gate Sequencer that uses Grids Firmware written by Emilie Gillet.

Width: 12hp
Depth: 1.5", 1 PCB Stack, Skiff Compatible
Current: Current: +25mA, -1mA

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: 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***


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 Tiptop Audio Buchla Model 296t is a 16 band spectral resonator & vocoder based on the original Buchla 296.

The 296 was first introduced in 1978 and very few were ever made. Making a module of such complexity at a time when electronic schematics were drawn with pencils, with 48 filters that were most likely hand-calculated is just incredible.

The 70's were a great era of exploration and proof of audio electronics scientific theories, but for Don Buchla it seems like it was always something beyond theory.

The 296 might at first look like an equalizer, but Don Buchla had totally different ideas for it. He managed to pack into it a 16-band analogue modular spectral processor, a cross-band vocoder, plus a massive amount of patch points to work with his synthesizer system.

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


The Tiptop Audio Buchla Model 296t is a 16 band spectral resonator & vocoder based on the original Buchla 296.

The 296 was first introduced in 1978 and very few were ever made. Making a module of such complexity at a time when electronic schematics were drawn with pencils, with 48 filters that were most likely hand-calculated is just incredible.

The 70's were a great era of exploration and proof of audio electronics scientific theories, but for Don Buchla it seems like it was always something beyond theory.

The 296 might at first look like an equalizer, but Don Buchla had totally different ideas for it. He managed to pack into it a 16-band analogue modular spectral processor, a cross-band vocoder, plus a massive amount of patch points to work with his synthesizer system.

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

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

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

Dimensions & consumption

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

Connectivity

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

Compatibility

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

Notes: The updated "Skiff friendly" design of the mml filter now features bipolar "Attenu-verters" for the cv controls as well as an all new red mode!

This new mode activates a feedback distortion circuit capable of actually changing the pitch of the notes coming in to the filter in a musical way that adds instant variety to acid basslines, creates weird and strange alterations to drones or adds some nice overdriven distortion to whatever goes into it!

The multi-mode ladder (mml) filter is based on the classic transistor ladder low pass filter by dr. Robert a. Moog. This filter updates the classic 4-pole ladder design to provide band pass and high pass filter responses as well as the traditional low pass filter. There are 2 bipolar controls with attenu-verters for the cut-off frequency plus a cv input for the resonance.

The core of the circuit features a fully discrete transistor design with an op-amp buffered output, this allows soft saturation of the input signal to get the classic overdriven tones of the ladder filter. A bass compensation circuit has been included to retain the bass response in low pass mode when the resonance is increased. The bass compensation also helps to improve the response of the high pass filter.

The red mode is activated/de-activated by holding the mode button for 0.3s. In this mode the filter cut-off, input volume and resonance all interact and the effect is to produce alterations to the incoming frequencies. The pitches of the audio coming into the filter also affect the alterations as well selecting between low pass, band pass and high pass filter modes whilst in red mode.

Features

Low pass, band pass and high pass modes.
Red mode feedback distortion.
CV controlled resonance.
Added low frequency compensation.
Soft saturation of input.
2 x bipolar attenuverter CV inputs.

Width: 6 HP
Depth: 25mm
Power: +12v = 50ma / -12v = 39ma

Notes: E4 Encoder Controller

The E4 is a controller with four rotary encoders.

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

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

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

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

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

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

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

Power consumption:

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

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

Dimensions
6 HP
23 mm deep

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

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

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

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

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

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

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

Dimensions
5 HP
25 mm deep

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

Notes: R2M is module 1 of a pair of two 2 HP modules that allow you to connect a chain of controllers to your DROID master through a standard 3.5 mm stereo cable (sometimes also called aux-cable).

The usual idea is that you put all your DROID controllers into a skiff case and mount your DROID master, X7 and G8 into another case, together with all your fancy Eurorack sound modules.

R2C is module 2 of a pair of two 2 HP modules that allow you to connect a chain of controllers to your DROID master through a standard 3.5 mm stereo cable (sometimes also called aux-cable).

The usual idea is that you put all your DROID controllers into a skiff case and mount your DROID master, X7 and G8 into another case, together with all your fancy Eurorack sound modules.

While you could do this with the typical 6-pin ribbon connector (e.g. the 80 cm version that we offer), using the R2M/R2C combination has some serious advantages:

The connection cable can be almost arbitrary long (20 m have been tested and works perfectly).

Since the connection is done on the front of the modules, you can quickly disconnect your skiff for the purpose of travelling to a gig.

You can use a standard 3.5 mm stereo TRS cable for the connection.

These modules are not just passive connectors but contain special driver ICs that transform the electronic voltage levels, which run in the 6-pin ribbon, to something more stable and reliable that is fit for longer distances in a more hostile environment.

The controllers do not receive their power from the master but from the R2C module, which has a power connector and a voltage regulator for that purpose. Each chain of the R2C module provides the same power to its controller chain as the master does (it contains the identical voltage regulator). That means that you can connect up to 32 controllers (!) to one R2C.

Another nice thing: The R2M/R2C combination allows for two of these master / controller connections in parallel. That means that you can have two masters being attached to their individual controller chains. That does not mean, that each of the masters can access each of the controllers at the same time, however. Both master / controller connections work completely separately.

Package contents:
* one R2M module
* one R2C module
* one Eurorack power cable for the R2C
* two 6-pin ribbon cables for connecting the R2M to two masters
* two 3.5 mm stereo TRS cables, approx.. 1.2 m
* 4 red M3 screws for mounting the two modules

Notes: TRS Split - CV/Audio signal distributor

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

It contains 3 identical sections set up as following:

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

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

Use cases:

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

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

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

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

Switching sides

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

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

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

Stereo multiple setup

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

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

Dimensions
2 HP
22 mm deep

Current Draw
Module does not draw current