New AI Synthesis AI016 Eurorack Tape Echo Interface & AI011 Eurorack Analog VCO

Published on Dec 3, 2019 AI Synthesis

New module from AI Synthesis along with the AI011 Eurorack Analog VCO posted here.

Playlist for the video embed above:
AI016 Eurorack Tape Echo Interface Video
Modded MARANTZ PMD221 Tape Recorder as a Tape Echo
AI016 Tape Interface Build Video Guide

Press release including the AI011 VCO followed by pics and additional details on the AI016 (AI011 posted here).

"Portland, OR, USA December 3, 2019 – AI Synthesis has released the AI011 Analog VCO and AI016 Tape Interface in both a built and guaranteed version, as well as in kit and PCB/Panel format. The AI011 Analog VCO is a robust and stable analog Eurorack VCO. Using the legendary curtis 3340 IC, the Oscillator provides buffered Triangle, Square, and Ramp waveforms, as well as a triangle to sine wave shaper to provide a sine wave output. The AI016 is a tape interface that allows user to use a humble three-head cassette recorder as a real analog tape echo.
Following the tradition of the other eurorack modules, the AI001 Multiple,AI002 Mixer, and AI003 Looping ADSR, the module has a full video how-to build guide. Unlike some DIY companies that focus solely on providing kits, AI Synthesis has an educational mission and our kits and documentation are aimed at those who have never held a soldering iron. PCBS are professionally manufactured, and all panels are aluminum and designed by Grayscale."

"The AI016 Eurorack Tape Echo Interface is a Limited Edition Module that uses a pre-amp and buffered feedback loops to allow a standard three head tape recorder as an analog tape echo. It also provides op-amp saturation on the input when pushed.

The tape recorder must have three heads (erase, record, and play) for it to work as a tape echo. This type of tape recorder will have a button or switch that allows the monitoring of the source audio, or what has just been recorded to the tape. The space between the record and play head creates the delay, and the Tape Interface feeds back into the unit to create repeats.

The AI016 provides the following tape controls:
Mix
Repeats
Input and Output Controls
Delay time is controlled by the tape deck. Not all tape decks allow speed control while recording, and modifications may be needed.
Kits include all parts needed to build and mount the AI011 Eurorack VCO:
Hi Quality Aluminum Panel
Mounting Screws
Potentiometers
Jacks and Nuts
Power cable

Please note that a three-head tape recorder is needed for tape echo. While I do support the AI016, I do not support 3rd party tape decks or for 3rd Party tape deck modifications."

Pittsburgh Modular Analog Delay Unit Introduction

Published on Dec 3, 2019 Pittsburgh Modular Synthesizers

"Introducing the Pittsburgh Modular Analog Delay Unit. Michael discusses the history of analog delay."

Suggested Retail Price $199

"The Analog Delay Unit is based on the design created for the Voltage Lab synthesizer module. A finely tuned circuit designed to enhance the source material by adding depth and warmth.

Module Overview

The Analog Delay utilizes a pair of 4,096 stage BBD chips to produce a voltage controllable analog delay signal. Clean delay time can vary from 16ms to 340ms. The maximum delay time can be increased using the TIME CV INPUT delay time maxes out at 465ms but the increased time comes at the cost of fidelity and a bit of high frequency clock noise bleed. The name BBD stands for bucket brigade device in reference to a line of people passing buckets of water to quickly extinguish a fire. Each stage of a BBD chip contains a single capacitor. Pairing two chips together creates a chain of 8,192 capacitors. Like the water buckets, an audio signal is passed from capacitor to capacitor within the BBD chips once every clock step. A slower clock produces a longer delay and a faster clock produces a shorter delay.

Delay time

Delay time is set by adjusting the DELAY TIME SLIDER. Moving the slider up increases the delay time. Delay time can be voltage controlled by patching into the DELAY TIME CV INPUT JACK and adjusting the DELAY TIME CV TRIMMER. The DELAY TIME CV TRIMMER is an attenuverter. That means the incoming signal is off when the trimmer is set to the 12 o’clock position. Turning the attenuverter to the right passes the original signal through. Turning the attenuverter to the left passes an inverted version of the original signal through. Turning the DELAY TIME CV TRIMMER to the right will increase the amount of CV passed through to the delay time. Turning the DELAY TIME CV TRIMMER to the left will increase the amount of inverted CV passed through to the delay time. Locating the exact off position of an attenuverter can be difficult. The easiest wave to remove the CV signal from the signal path is to simply remove the patch cable patched into the DELAY TIME CV INPUT JACK.

Feedback

The DELAY REPEATS SLIDER sets the amount of repeats created by the delay. Moving the DELAY REPEATSSLIDER all the way down will produce 1 repeat. Adjusting the slider up increases the number of repeats until the delay begins to self-oscillate.

Output Mix

The DELAY MIX KNOB acts as a balance control between the dry incoming signal and the wet delayed signal. Turning the DELAY MIX KNOB to the left weighs the output toward the dry signal. Turning the DELAY MIX KNOB to the right weighs the output toward the wet signal. In theory, setting the DELAY MIX KNOB at 12 o’clock creates an even mix of the wet and dry signals. In reality, the tolerance of the potentiometer, waves shape, and dry signal level all influence the location of an even 50/50 mix.

Module Specifications
Panel size: 6hp
Depth: 35mm
Power Usage: +12v 44mA, -12v 19mA. Does not require +5v. Reversed power polarity protection."

New Synthesizers.com Q158 VCA2++ Dual VCA

Published on Dec 2, 2019 synthesizersdotcom

"Hosted by Roger Arrick of Synthesizers.com"

via Synthesizers.com

"The Q158 VCA++ module combines two VCAs along with innovative connectivity to provide a panner, fader, 3-channel mixer and ring modulator functions - all in a single-wide module.

You can never have enough VCAs in a modular system and the Q158 addresses this by providing two full-featured VCAs complete with invertable attenuators and bipolar gain controls.

The signal input and CV input for VCA #1 are normalized to VCA #2, in other words, they are automatically connected to VCA #2 unless plugs are inserted into VCA #2 jacks. This makes patching easy to create a 2-channel panner (one input panning between two outputs) and a fader (two inputs fading to one output).

Automatic connection between the two VCA channels also provides an easy way to do ring modulation (4-quadrant multiplier). Multiplying 2 audio signals produces frequencies that are the sum and differences of the originals resulting in inharmonic bell-like tones, a classic synthesizer function.

VCA channels #1 and #2 are mixed together along with a third un-attenuated channel in the center section. This gives you a 3-channel mixer with 2 of the channels having attenuators. The INVERT switch inverts the polarity of VCA #2's contribution to the mixer and is used to produce ring modulation.

Both VCAs have manual gain controls and VCA #2's invert switch provides simple signal processing functions."

TouellSkouarn - Ar Merc’het Brao

Published on Dec 2, 2019 Alex4

"Ar Merc'het Brao is a dual or stereo filter with a slope of -12 dB per octave. Distortion circuits add some musical aggression to audio signals.

Ar Merc’het Brao is comprised of two filters and two overdrive sections. As usual with Touellskouarn, the module has a Breton name: Ar Merc’het Brao means "The pretty girls". Ar Merc’het Brao can be used to process a stereo signal or two mono signals. The module is Eurorack as well as guitar friendly.

The filters are resonant with a slope of -12dB per octave. A switch makes it possible to choose between low-pass and high-pass. The filter cutoffs are voltage-controlled thanks to dedicated CV inputs. Additionally, the Ar Merc’het Brao features global controls for cutoff and resonance.

Both overdrive sections offer the classic and well known TouellSkouarn distortion sound."

New Beast-Tek Pixel Drum Eurorack Module

Published on Dec 1, 2019 paul tas

via Error Instruments & Beast-Tek

"Pixel Drum is a gritty, glitchy 12-bit paraphonic drum synthesizer containing 32 different algorithms for generating percussive weirdness. From gritty kicks and snares to evolving glitch sounds/textures to arcade machine bleeps and bloops, Pixel Drum has been designed to bring glitchy goodness to your eurorack rig."

New ADDAC603 VC Triple Bandpass Filter

Published on Nov 30, 2019 ADDAC System

"Here's the Overview video for ADDAC603 VC Triple Bandpass Filter

At ADDAC we’ve been in love with Bandpass Filters for a long time! We use them in several different ways but mostly as dynamic equalisers at the end of an audio chain for ever-changing timbral qualities with slow modulations on frequency and volume. Slightly or drastically changing the character of the incoming sound just by controlling a few parameters and adjusting the modulation speed. And while this method is a personal preference of ours while developing such module we soon realised that some features would give it other aural qualities and so we started by adding a dedicated feedback control so that each filter could self-oscillate while making this control independent from the Bandwidth control. Also added an amplifier x3 or x100 at each of the inputs in order to create soft or hard distortions turning it into a controllable 3 band distortion!

Features:
3 independent Bandpass filters each with:
Input gain up to x3 or x100 via a switch
VC Frequency with attenuverter
VC Bandwidth with attenuverter
6 or 12db (1 or 2 poles) Switch
Resonance
Individual output VC Amplifier with attenuverter
Phase output switch

3 bands summing mix plus Dry control with attenuverter

Inputs are Normalled: 1 to 2 to 3 allowing for the three bandpass filters to be used either for the same input source or from three independent sources.

Filters and VCA’s developed with the modern version of SSM2164 from CoolAudio for pristine sound quality.

Tech Specs:
22HP
3.5 cm deep
250mA +12V
250mA -12V"

New DNIPRO DOT polyrhythm sequencer

Published on Nov 27, 2019 DNIPRO MODULAR

"INTRODUCTION of a 3-channel eurorack trigger sequencer DOT. Two DOTS are linked together and control analog bassdrum and hi hets from q&d by Andrii Kuzmenko with Plaits and Peaks from Mutable Instruments.
Create rhythms on a fly and creatively vary them."

"3 channels pattern generator

Dot is handy feature-packed tool for generating and managing rhythmic triggers in your system. It can fire drums, generate variable pulses, divide clocks, create polyrhythms on a fly with several twist of a knob or with deep, careful pattern programming. Both generative and manual program techniques can be combined, f.e. you can create pattern with euclidian algorithm and then edit it in xox style or shift it with cv inputs to a new levels of variety.

Despite of its slim form factor, DOT has 3 channels of patterns on a board and can be extended with additional DOTs, that can be chained together.

General features:

3 channels trigger sequencer in 6 hp

euclidian pattern generators and XOX step programing

real time manual recording

3 routable bi-polar cv inputs

ability to save and load patterns

programmable ratchets

swing

flip-able interface

stable clocking with ultra low latency

several modules can be chained to share clock and reset

Technical details
6 hp
120 mA +12V
20A -12V
0 mA 5V
42 mm deep
4mS, 4.5v triggers"

Important Interviews with Richard Nicol talks to Matthew Cook of WYWS in Tokyo

Published on Nov 26, 2019 Pittsburgh Modular Synthesizers

"Richard and Matthew discuss the WYWS eurorack modules and why Matthew started building eurorack modules.

WYWS Bandcamp Page - https://wyws.bandcamp.com/merch"

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This is the first post to feature WYWS on MATRIXSYNTH. Current offerings as of this post for the archives:

WYWS MS1010 10 Step Sequencer/LFO Eurorack Module

14 hp ~30mm deep

10 Steps of CV with clear backlit knobs.
Gate out for each step.
External reset and clock inputs.
Manual Clock and Reset Switches (very helpful for programming sequences)
Clock input normalled to Square out of LFO
LFO outputs +/-5V Triangle and 5V Square

Expansion port on the back for upcoming gate combiner/reset expansion + more.

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Orpho Vollrausch | Vacuum Tube VCO / Noise Generator Eurorack Module

Published on Nov 26, 2019 HOX808

"The Orpho Vollrausch generates its sound through two Russian military tubes (6SH1P)."

Google translated from Orpho:

Vollrausch | Vacuum Tube VCO / Noise Generator

The Orpho "Fullrush" is a combination of Tube-VCO and Noise Generator. It is a non-standard VCO module designed primarily as a noise generator. Two Russian military tubes (6SH1P) are used. The noise can be mixed in with a scope controller. When the noise component increases, the frequency of the oscillator varies until it is completely full. If you reduce the noise completely, the pure VCO signal is left over. Due to the "curved" characteristics of the tube oscillator, the module does not have a precisely defined control characteristic (e.g., V / octave). The inevitable tolerances of the tube oscillator will also make each module sound a little different. The tubes can also be replaced by two EF95 or similar. be exchanged, which then sound different again. By applying a control voltage to the CV input, e.g. LFO, sequencer, etc. can be varied in the usual way the sound varied.

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This is the first Orpho post on MATRIXSYNTH.

LoFi Eurorack Module Prototype Part 1: Wow and Flutter

Published on Nov 25, 2019 Reckless Experimentation Audio LLC

"The first part in building a Lo-Fi afication Eurorack Module. I cut out the face-plate, and build out a wow and flutter circuit based around a PT2399 chip."

Shakmat releases the Gemini's Path

Uploaded on Nov 21, 2019 Shakmat Modular

A compact and creative tool for dynamics and stereo duties

The Gemini's Path is the 9th module released by Shakmat. This newcomer is a hybrid analog/digital stereo sound processing device which can shapeshift into an expander, compressor, auto panner & much more!
3 modules in 1

The Gemini's Path, despite its small size, is actually a mix of three modules : a pair of VCAs (That Corp branded for low distorsion & low noise) driven by a dual modulation source, that is excited by the trigger detector which extracts triggers from the input signals or an external / side chain input.

What it does

Since the modulation source delivers different types of modulation, the Gemini's Path offers lots of different application possibilities, such as:

• Expander: with decay or hold control

• Pump: compressor like device with adjustable release time (also with a unique release shape)

• Panner: sine panner, random panner or triggered panner

• Granuliser: chops the signal into small bits & spread them in the stereo field

• VCAs: stereo VCAs with volume and panning control.
Or two independent VCAs

Simple and intuitive interface
Our main goal was to create a compact, polyvalent and easy peasy to use module. Besides its capabilities, the module has a minimal user interface and gives instant results in all its applications : choose a mode, set the threshold and have fun with the two big knobs. And of course, bring the Gemini's Path in communication with the rest of your modular thanks to the CV inputs.

Stereo or dual mono
The Gemini's Path allows linked or independant control over two channels and can therefore be used as two mono units (with different modes on each channels). Think dual mono side chain compressor, out of phase tremolos for more stereo weirdness, a trigger that expands the drums and makes the bass pump, dual decay on VCAs for drum synthesis, triggered crossfader when mixing the outputs,…

Introducing the ADDAC105 4 Voice Cluster - First Audio Preview

Published on Nov 20, 2019 ADDAC System

"Following our ADDAC103 T-Networks this new module is inspired by it’s simplicity. This is a 4 voice Square Oscillator with VCA, FM switch and a slew decay for the incoming Trigger IN. All voices are then sent through a Multimode Filter.

Each voice has it’s own VCA input where any input is accepted (Trigger, Gate, CV) The [DECAY] controls the slew decay applied to the incoming signal, if [DECAY] is fully anti-clockwise then it works as a Mute. The [FM ON] switches activate/deactivate the FM input coming from the previous voice: Voice 1 FM comes from voice 4, voice 2 FM comes from voice 1, and so on, so you can FM all of them in a FM loop.

All 4 voices are summed and sent through a filter with controls over [CUTOFF] with an Attenuverter for the CV input and [RESO- NANCE]. Three filter outputs are provided [LOWPASS], [BANDPASS] and [HIGHPASS]

The [EXTERNAL IN] input can be routed through a jumper on the back of the module allowing the incoming signal to go to:
1. the filter input for processing an external audio source.
2. all of the 4 voices Frequency control allowing for some experi- mental CV control over pitch of all 4 voices at the same time (due to the specificities of the circuit and to keep the module at a low price these inputs are not callibrated to 1v/octave).

This module will also be available as a full DIY kit.

Tech Specs:
8HP
4.5 cm deep
40mA +12V
40mA -12V"

Monsoon (uBurst+) Mutable Instruments Clouds Eurorack Synth Module (Off-White)

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

You can find a demo featuring Monsoon here.

"Monsoon is a Mutable Instruments Clouds redesign that allows for CV and slide potentiometer control of all four effects parameters. LEDs on each slider serve as a visual indicator of each parameter's respective CV input. The module is 12 HP.

This module is professionally built and extensively tested by an electronics engineer with over ten years of experience.

The panel on this module is manufactured by Magpie Modular, makers of some of the highest quality panels in Eurorack. It is off-white aluminum with a beautiful textured finish. The off-white panel looks particularly nice in a rack that has many silver paneled modules.

Includes factory Clouds/Monsoon firmware by default, but I can flash Parasite firmware by request.

The Monsoon comes with a one-year warranty, and ships promptly with a Eurorack power cable and some bonus treats included."

ECHOZ, ZVERB, Z5000 Tiptop Audio Multi Effects Modules

Published on Nov 20, 2019 Tiptop .Audio

"ZVERB, ECHOZ and the Z5000 are powerful stereo DSP effects modules in a compact 8HP panel. Although only 8HP in size, all controls are immediately available with clear labeling, making them quick, comfortable and easy to use. Each button accesses a bank of different effects types for up to 24 effects per module.

These effects are a blend of newly developed programs and ones carefully selected from Tiptop’s library of hundreds of effects created over 10 years for the classic Z-DSP processor module. While the effects algorithms play a major role in making these modules sound impressive, an internal analog clock circuitry drives the DSP chip adds to the lush and warm audio processing. With ZVERB, ECHOZ and the Z5000, Tiptop Audio effects have never been so accessible."

Note, this is the first post to feature the ZVERB.

"ZVERB is a collection of all new reverb algorithms developed by Tiptop ranging from typical reverbs to more complex effects that combine delay and pitch shifting with reverb. The effects are grouped by decades based on either the era an algorithm was introduced or the time when the effect was most popular. This variety of reverbs covers small to epic size spaces with the addition of shimmering, feedback tunneled pitch shifting, tape delay drivers, gated reverbs and a lot more. Analog clocking of the DSP chip and CV over the parameters enables even more experimentation. This is a collection inspired by the best from the past right at your fingertips."

The ZVERB is also available in black.

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1979 SMP Overview

Published on Nov 19, 2019 Todd Barton

"My initial encounter and overview with 1979's Stereo Microsound Processor (SMP) based on Mutable Instruments Clouds but styled with added features for the Buchla format. A later episode will have some sound demos.

Purchase information: https://1979.ws

A good Clouds tutorial for the curious: [posted here]

Consider joining my Patreon page to support continuing tutorials for Buchla, Serge, Hordijk and some Eurorack:
https://www.patreon.com/synthtodd"


Update: Note 1979 is the brand, not the year. I created a new site label for them. I believe 1979 is Wes Milholen of Grayscale's brand. You can find a 20Objects interview with him here.

The SMP / STEREO MICROSOUND PROCESSOR is currently priced at $850.

"Granular synthesis for 4U systems. Based on Clouds by Mutable Instruments, the SMP is a realtime granular synthesis processor that expands significantly on the original. Dedicated controls for previously hidden functions, additional CV inputs with inverting attenuators, easier access to preset recall and sampling settings, and increased control over output gain make this one of the most full-featured hardware granular processors available. It's a powerful addition to any Buchla-format system, offering a form of digital signal processing not previously available in this format."

LPZW.modules TRAM8 1U & 3U Eurorack Modules

LPZW.modules TRAM8 jam Published on Nov 14, 2019 kay k

Our new 1U #eurorack module
MIDI from the BSP Drumsequencer to 8 Voices:
Prok BD
Mutant Clap
TOM909 low & high
Akemies Taiko
SY-0.5
HH909 closed & opened

1U version

"MIDI to Gate+Velocity converter module. Trigger (Gate) eight drum voices in your rack from your external sequencer.

Intellijel 1RU format but alternative panels available (3U 5HP or 1U Tile)
8 Gate outs
8 corresponding Velocity outs
3.5mm auto crossover TRS MIDI Input. (type A or type B outputs without adapter)
Internal MIDI Thru for daisy chaining multiple Tram8s
12bit DAC up to 10V output on the CV outs (stock firmware sets 5V max for Velocity of 127)
Backside switch for direct 5V bus or internal 5V regulator (from +12V rail) power supply.
Alternative firmware to be loaded via MIDI SySex available soon (8 different Clocks and 8 clocked random S&H outs)

Left: Alternative 3U 5HP version.

X1L3 - MONOLITH bluetooth receiver

X1L3 - MONOLITH - sunvox and some envelope follower routing

Published on Nov 17, 2019 X1L3

"Monolith - bluetooth receiver with envelope follower. What it is and where to get it below.

A quick demo here as i haven't got the time for the full twenty minute power electronix session. But i'm sure that'll turn up some time soon :)

Monolith is a simple and quiet bluetooth audio receiver. It allows you to stream audio from your phone or other bluetooth capable device into your eurorack rig. It boost the incoming audio to modular levels and has a bipolar envelope follower tied to the audio out. The follower has attack and release controls to shape the response. It works best with gated signals and things like drum tracks. But will generate interesting results with any signal that has a signifigant degree of amplitude variation in it.

Great for streaming found sound, youtube vids, phone conversations and the recording of the super market you made one day that you realised sounds like a hellscape nightmare when you slow it down to 50% and feed it through a clouds module :)

Sunvox on the phone is running a drum track which is streamed to monolith via bluetooth. This is then fed into a filter. The envelope follower is routed to the filter cut off and also a vca which has the bassline oscillator running through it. This is also fed into the filter. Both drums and bassline are then sent to the output mixer. The pads and melody are seperate from the monolith chain. And i'm playing the pitch of the bassline oscillator at the end via a yarns midi to cv module tied to the keyboard.

6HP with a mono output. The sum of the stereo bluetooth audio in is mixed inside the module."

intellijel Quadrax Video Manual

Published on Nov 14, 2019 Intellijel

1. Quadrax Channel Modes

00:03 - Panel Overview
00:36 - AD Mode
01:39 - AHR Mode
02:00 - Cycle Mode
02:37 - Burst Mode
03:33 - LFO Mode

2. Quadrax Link Modes

00:03 - Triggering Intro
00:30 - Trigger Link Mode
01:20 - End of Rise/End of Fall
01:50 - End of Rise Burst Mode
02:12 - End of Rise LFO Mode
02:30 - End of Fall
02:43 - End of Fall Burst Mode
02:55 - End of Fall LFO Mode

3. Quadrax CV Assignments

00:03 - CV Assignment Intro
00:29 - Accessing CV Assignment Mode
00:50 - Attenuverting CV
01:16 - CV Targets
01:30 - Clearing CV Assignments
01:46 - CV Modulation Examples
02:37 - CV Assignment Walkthrough

4. Quadrax QX Expander

Video Chapters
00:03 - QX Intro
00:10 - Installation
00:33 - AD/AHR/Cycle Mode Behaviour
00:58 - Burst Mode

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

an AD (Attack, Decay) envelope
an AHR (Attack, Hold, Release) envelope
a cycling envelope (resulting in a unipolar LFO)
a pulse burst generator (Finite repeated functions that ascend or descend in amplitude)
a morphing, bipolar beat syncable LFO
The envelopes all feature a continuously variable response curve, ranging from logarithmic through linear to exponential, and each stage can be as snappy as 0.3 ms to as lengthy as 20 seconds.

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

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

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

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

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

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

Use the optional Qx module to add individual outputs for each channel’s End-of-Rise and End-of-Fall triggers."

The Quadrax made its first appearance in this previous post.

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New ADDAC215 Dual S&H+ & ADDAC104 VC T-Networks Eurorack Modules

ADDAC215 Dual S&H+

"This new module should not be judged by it’s size, at 6hp it’s packed with features.

At it’s core it features a noise source and two precision Sample & Holds with 0.01% of maximum deviation from the Input which allows for quantized signals to be sent through without any noticeable detuning or the typical voltage drops over time.

The Sample & Hold sections can also be used as a Track & Hold meaning it holds the incoming input while the Trigger input is ON and lets the input flow to the output when the Trigger input is OFF.
Each section also features it’s own slew processor with a single control over attack and decay and an ON/OFF switch.

The noise signal is normalled to both sections inputs, meaning that without a jack plugged into the Input the sample and hold function will act upon the incoming noise signal generating random CV values.

The [Trigger A Alternate] switch allows to Link both sections so that any trigger input in Trigger A will alternate between triggering the A and B section.

Besides each section outputs there’s also 4 extra outputs: Noise, Difference, Average and Sum. The [Noise] output is coming from the noise source, the [Difference] output is the subtraction of section A minus section B, the [Average] output is the sum of both A plus B and then divided by 2 and finally the [Sum] output is the sum of both A plus B sections.

This module will also be available as a full DIY kit."

ADDAC104 VC T-Networks

"Following our ADDAC103 T-Networks this new module is also inspired by Twin T-Networks circuits used in many lengendary drum machines. A simple 4 voice module with frequency controls for each of the voices. This new module also features CV inputs with attenuverters for each voice Frequency. Due to the specificities of the circuit and to keep the module at a low price these inputs are not callibrated to 1v/octave.

At each voice input there’s a gate to trigger converter so any input source is possible.
Audio inputs can also be used as an input, in this case and due to the nature of the gate to trigger converter, each voice can be used as very destructive filters.

Features;
4 Voices each with:
Frequency control with CV input and attenuverter Frequency Range Switch, Low/Mod/High
Trigger Input
Audio Output

Summing Mix output with Volume control

This module will also be available as a full DIY kit."

The SynthSummitShow: Paul Schreiber Synthesis Technology E520

Published on Nov 10, 2019 Ken Flux Pierce Fluxwithit

"Synth designer and all around electronics guru Paul Schreiber returns yet for another interview. here to discuss his latest product the E520 Hyperion Stereo effects processor which will soon be up on kickstarter! tune in and join the live chat as we discuss this exciting new product."

Fluxwithit Paul Schreiber videos
SynthSummitShows with the makers

Update2: You can sign up to be notified with the Kickstarter launches here.

Update: some info on the module via https://synthtech.com:

"INTRODUCING THE E520 HYPERION, A STEREO EFFECTS PROCESSOR

Kickstarter campaign launches on Nov. 15th and the KS page will activate on Nov. 10th. Estimated shipping: late May 2020.

OVERVIEW

The E520 Hyperion is a mono/stereo in, stereo out effects module. It is 48HP wide and uses less than 300ma of +12V and less than 70ma of -12V.

Powered by a 480MHz ARM Cortex M7 CPU, the E520 has 64MB on on-board SDRAM for recording up to 6min of stereo audio at 48KHz sample rate. The LCD screen and optical encoder navigation uses the same 'shallow' menu scheme of our E352 and E370 modules, with the addition of 4 'soft keys' for selecting options without having to leave the main page.

The E520 uses a premium audio path not usually found in Eurorack. Crystal Semi CODECs, TI OPA-series op amps and WIMA film caps in the output stage are used along with low-noise, dedicated LDO voltage regulators for a clean, full soundstage. Audio conversion uses 48KHz sample rate, 24bit resolution with a line or synth level setting.

Please note this is a 'living document' and subject to modification at any time over the next 8 weeks.

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