Tuesday, October 14, 2014

Noise Rack Diary by @Flixxx

Felix from The Tuesday Night Machines is slowly putting together a standalone Eurorack Modular Synthesizer for noise music.
In this playlist you will find some experiments with it along the way.

Video Playlist: Noise Rack Diary

New episodes will be added on a regular basis...
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Sunday, October 12, 2014

Slow Nova Modules Probably

SlowNova Probably
Slow Nova Modules is a small company from Boston that sells hand built Eurorack modules and kits.
Today they published the first proper build of their latest module with the new face-plates on Twitter.

The Probably module is a dual 2 to 1 analog multiplexer with probability based switching.On each clock a random number decides which input is connected to the output. The likelihood can be set independently for each switch.

Inputs:
A, B, C, D - -12V to 12V
Clock - 0 to 10V
Outputs:
A/B - -12V to 12V
C/D - -12V to 12V

Switching Time - 75ns
Current Draw - 14.5ma

The module will be on sale soon for 150 USD,
(i believe it is already sold out though)

Wednesday, October 08, 2014

AJH Synth MiniMod Eurorack Modules

MiniMod vintage
transistor core VCO
Another new modular synth company, AJHSynth is headed up by Allan "J" Hall, who has been involved with synths, electronics and music for more years than he cares to remember.
He started by building a guitar fuzz box at the tender age of 12 and an interest in synthesisers and electronic music soon followed, fuelled by an unhealthy overexposure to early Tangerine Dream, Pink Floyd, Vangelis and Kitaro.

For the last 15 years he has been building and modding synth systems both for himself and other electronic musicians, as well as spending some time as a semi-pro musician playing keyboards in several rock and tribute bands.
Allan spent five years as a service technician repairing and modifying Moog, Arp, Korg, Roland and other analogue synthesisers along with some Pro Audio design work, previous to this he spent two years designing and building "boutique" valve (tube) guitar amplifiers.

MiniMod countour
generators (2 x ADS)
AJHSynth are based near Bournemouth on the South coast of England, where this small but enthusiastic bunch of synth. heads now indulge their passion for all things modular.

The MiniMOD Eurorack system aims to replicate the sound of the vintage Moog Model D as closely as possible, so they used exactly the same internal circuitry and every module runs at the same internal signal and control voltage levels as the original.

Their quest was to bring the unbeatable fatness and legendary sounds of this classic synthesizer to the 3U Modular world and have separated the synth into five modules, comprising:
MiniMod transistor ladder filter
VCOVCFVCADual Contour, and Glide + Noise, which can be easily integrated into an existing Eurorack system or, with the addition of a case and power supply, it becomes a self contained stand alone synthesizer.

Click here for an overview of the MiniMod.

MiniMod
glide + noise
The MiniMod is based on the circuitry of most desirable Model D of all, the very early R A Moog Mk1 model with its unique and sweet sounding VCO design, the core of which uses discrete transistors only, with no integrated circuits.
We have also based the transistor ladder VCF on the early design, which uses fully matched transistors throughout.
Less than 300 Mk1 Model D’s were built with this very early VCO design out of a total of around 17,000 which were produced between 1970 and 1981.

The Minimod has been more than 18 months in development, thousands of hours have been spent analysing the original Model D using both real world measurement and computer based Spice circuit simulation programs, they carefully selected components and built many prototypes before they were happy that we had done justice to the original sound and circuit behavior.
MiniMod discrete
cascaded VCA

MiniMod Eurorack modules comprise separate VCO, VCF, VCA, Dual Contour and Glide/Noise for maximum flexibility so that they can be easily integrated into a larger Eurorack format Modular synthesizer to tap into the endless control and expansion possibilities – they removed all of the control limitations of the “closed system” of the original Model D synthesizer so that the sounds that you can now create are limited only by your imagination and the other modules that you add to your system. All of the modules can be used independently in your existing Eurorack system.

 A full MiniMod system would comprise 3 x VCO, 1 x VCF, 1x VCA, 1 x Dual Contour, 1 x Glide-Noise and this will take up exactly 84hp of Eurorack space, so that it will fit into 3U of rack space with a suitable Eurorack frame and power supply (not supplied)
Just add a Midi/CV converter and keyboard for a fully functional BIG and FAT monophonic synthesizer.

Sound examples:

More videos and sound-examples at http://www.ajhsynth.com/sounds.html

Facebook: https://www.facebook.com/ajhsynth

On MuffWiggler:  http://www.muffwiggler.com/forum/viewtopic.php?t=122864&start=all&postdays=0&postorder=asc&sid=9f9b66bca630155dfd6c5cb361e6d5c2

Qu-Bit Electronix Tri-ger

Qu-Bit Electronix  released this video 4 months ago without much additional info, but this Tri-ger
offers 3 manual gates, and some kind of Gate-pattern recorder/looper.
This module with big arcade-style buttons looks pretty amazing, and will come in very handy if you want to program drum-patterns that are not quantized.

The Qu-Bit team recently explained in an episode of The Distilery Podcast that this is not the final Tri-ger version yet, and that there will be another prototype produced before a finished module will reach the markets.
A new version will probably include a few quantize options and other functions, the arcade-style buttons will probably stay...

More info will be added here when available 

Video: Tri-ger - Qu-Bit Electronix

" Tri-ger"
Video uploaded by QuBitElectronix 

Tuesday, October 07, 2014

SiteTip: The Distillery Podcast by Sam Botstein

Samuel Botstein is a composer, performer, sound and instrument designer based in Los Angeles, California.
Botstein is known for his experimental and electronic music and performances on trumpets,
turntables, and synthesizers.

Botstein is also the host of The Distillery, a very interesting interview podcast series focused on figures in the world of  music technology. 

Look at the impressive episode-list with the people he already interviewed, and have a listen...

New episodes seem to appear very frequent lately (weekly?), so keep an eye on The Distillery's website and don't miss another episode...

Monday, October 06, 2014

Entrospec Iungo CV-to-MIDI Eurorack Module

Another new Eurorack manufacturer, now from Bristol, introducing a CV-to-MIDI converter with a twist...

Entrospec Iungo
The Entrospec Iungo is designed to bridge the worlds of modular synthesizers and MIDI controlled instruments.
This module lets you create both monophonic and polyphonic sequences to play your MIDI gear, all controlled by your cv and gate generating modular system.

The Iungo is in essence a CV to MIDI converter, but instead of acting as a direct translator, this module gives you voltage control of the MIDI data stored in banks and patches.
It has the following features:

- Stored MIDI data accessed via cv and gate inputs.
- Banks will store up to 16 notes and rests. Each note can have an independent MIDI channel.
- Each bank can also store 1 program change message.
- 5 memory locations to store patches
- “Chord” mode outputs all notes in a bank simultaneously when triggered.
- “Seq” mode outputs each note in a bank consecutively upon receiving a gate s- ignal.
- “Poly Seq” mode runs all 5 banks in sequencer mode simultaneously.
- The length of each bank is independent, allowing for more complex sequences to be produced.
- Chords and sequences can be transposed via the MIDI input.
- Velocity of MIDI data is determined by the amplitude of the gate signal.
- MIDI input and output via 2.5mm stereo jack to 5 pin DIN cables. The same format adopted by iOS devices.
- Panel size 6HP
- Module depth 41mm
- Maximum current consumption 59mA on +12V "

Price: £139.99 + postage, included with each module are two 2.5mm stereo to 5 pin DIN MIDI cables.

A few demos highlight some of the functionality that Iungo provides:

Video 1: Iungo from Entrospec

" A short demo that highlights some of the functionality that Iungo provides. Integrating MIDI controlled instruments with modular synthesizers by allowing voltage control of MIDI data.
A little about the patches:
1 - CV and Gate inputs from Make Noise Rene
2 - Gate from Shuffling Clock Multiplier, voltage offset scrolls through the 5 sequences, then random CV input from noise/sample & hold through an offset generator.
3 - Gate from Shuffling Clock Multiplier "

Video 2: Entrospec Iungo and Hexinverter Midi2cv

" Iungo in polyphonic sequencer mode being used to sequence 3 vco's via a Hexinverter midi2cv.
The vco's are out of shot, the cv outputs of the midi2cv control the pitch of each vco, and the gates trigger envelopes, 2 from the Make Noise Maths and a third out of shot.
The envelopes and vco outputs are patched to 3 channels of a Make Noise QMMG.

Midi2cv is in Poly 4 mode, so each cv and gate pair is addressed with a different midi channel. Note sequences have been stored in the Iungo beforehand, and the parts are brought in by unmuting them in the mute menu.
Iungo is clocked from a 4ms SCM. The pulsewidth of the triggers are increased towards the end, increasing the width of the gates going to the envelopes."

Videos uploaded by Entrospec

Dave Smith Instruments DSM01 Curtis Filter

Known for their great in-depth reviews, SonicState/Soniclab has published another long video demonstrating Dave Smith Instruments' latest product, the Dave Smith Modular DSM01 Curtis Filter, that was released earlier this year.

Dave Smith Modular
DSM01
" The module takes its name from the original filter chip designed by the late Doug Curtis and provides both a switchable 2/4-pole low-pass filter and a VCA.
The Curtis filter is an integral part of the sound of many synthesizers created by Dave Smith, including the classic Sequential Circuits Prophet-5 and Pro-One, and more recent instruments such as the Evolver, Mopho, Prophet ?08, and Prophet 12.

The “Curtis sound,” which is often described as saturated, brash, and powerful, was fundamental to not only Smith’s synthesizers, but also to such highly-regarded instruments as the Oberheim Xpander, Rhodes Chroma and Polaris, PPG Wave, Korg MonoPoly, Waldorf Wave, Elka Synthex, and many others.
“We wanted to make the classic Curtis filter sound, which I’ve always found very versatile and expressive, readily available to modular users,” said Smith. 
“Adding the DSM01 to a modular system is an easy way to give it the sonic edge that people typically associate with a vintage Sequential synth. 
But it’s also a big part of the sound of my current synths such as the Prophet 12.”

The module is a standard 8HP wide, Eurorack-format device with interconnections made using 3.5 mm phone jacks. 
A set of inputs and parameters allows voltage control of filter frequency and resonance. 
Filter slope is selectable between -12 dB and -24 dB. 
The module also provides its own VCA and features two separate outputs for the filter—one pre-VCA and the other, post-VCA. 
A unique feature of the filter is a Boost function that introduces harmonic distortion into the signal for more aggressive coloration."

Video: DSM01 Eurorack Curtis Filter - Dave Smith Instruments
" The first module from Dave Smith is the classic Curtis Filter. In 8HP it also has a VCA to further expand the features available in such a small module."