MATRIXSYNTH: Tuesday, August 2, 2016

Tuesday, August 02, 2016

RyuX CEM3320 Filter VC

Published on Aug 2, 2016 RyuX

"This is my eurorack filter with a Curtis CEM3320.
2/4 pole switchable, normal / hard saturation, 2 channel mixer, resonance and frequency cv.
Playing around a little bit"

"Based on Digisound 80-6A."

Update: I asked RyuX if this was a one off or if they would be made available in any form. He said, "I have made a couple of PCBs for the prototype, of course i had to do some modifications to have it fully working. It would be possible to give away some PCBs along with Instructions. I don't plan on giving away completed modules as the CEM3320 Chips are very rare."

There were rumors of the CEM3320 being re-issued when the new CEM3340 was announced, so there might be some hope.

Korg MS-20 Retro Expansion by Yew Tree Magic's Martin Walker

This one in via Martin Walker of Sound on Sound, who brought us the Yew Tree Magic's Steampunk Shruthi Sound Designer Edition.

"With additional top-mounted panel controls and handsome cherry hardwood side panels, the Retro Expansion is a heavily modded version of the Korg MS-20 Mini by Martin Walker that includes the following additional features:

1. MULTI-OUTPUTS: separate TRI, SAW and PULSE output sockets, all available simultaneously, plus a separate output for OSC2.

2. PWM: an additional input for OSC1 variable pulse width modulation, using the existing pulse width knob to control PWM level.

3. SYNC: An OSC2 Sync toggle switch, to lock it with OSC1 for those screaming lead sync FX.

4. FM: An FM input added to OSC2 with its own rotary level control, so it could be modulated at audio rates by OSC1 among other options.

5. VCO MIXER: expansion for the existing mixer section, adding two extra input sockets, each with its own level control knob.

6. DIODE RING MOD: a more traditional transformer/schottky diode ring modulator circuit to achieve far more mellow ring mod options than the integral (XOR) option.

7. Final casework mods include a new top-mounting panel for all the new controls, a 1/4-inch jack output, and cherry hardwood side panels from Dolmage Designs.

If you're interested in adding any or all of these Retro Expansion mods to your own MS-20 Mini, all details of the circuit changes and more photos are available at They should also work on the original MS-20 and more recent kit versions."

Bitranger Unboxing Pics

A few pics in via long time MATRIXSYNTH reader Brian Comnes who had the following to say:

"Cool box, this thing is insane, runs on battery too, I'm going to pair it up with my FoH Quad PlagueBearer which is also battery op for a portable lunchbox of audio fun .......track coming in a day or so, that BITRANGER is not a simple toy. Also note the customs label......electronic gadget. 8-)"

ARP 1613 Vintage Analog Sequencer SN 0432

via this auction

PRINZTRONIX - Pressing Buttons (fried transistor mix)

Published on Jul 29, 2016 prinztronix

via supporting MATRIXSYNTH Member, PRINZTRONIX.

"Mix 2 of Pressing Buttons

Available as VHS, Download and Streaming




Sample: Interview with Thor Heyerdahl by Ulrike Arnold, Tenerife 1996. Used with permission."

Synth City Presents a Live Moog Model 15

Synth City Presents a live Moog Model 15 session by Synth City, an online division of Rock N Roll Vi

Published on Aug 2, 2016 rocknrollvintage

"Demo of the Moog Model 15 limited edition reissue Synth. This is an amazing reissue of the original touring synthesizer. Only 150 available world wide! Please contact us for details."


Published on Aug 2, 2016 MANTRA 5

"easy impro jam in an hot summer's night
Moog Lp bass line/a100 lead line/P6 chords
ibanez es2/strymon big sky on s/r mixer
seq from arturia control/p6 internal seq"


Teisco 110f Wave Animator

Published on Aug 2, 2016 Lackan110f

"A short demo of a wave animator I have installed in my vintage Teisco 110f. Its almost like you get a third oscillator to this 2-osc synth. Really neat!"

Video of the Rare Zeit Machine Sequencer

My first video of the Zeit machine sequencer

Published on Aug 2, 2016 Gerrit W. Rougoor

"It's a great gigantic machine almost impossible to buy not on the Dutch marktplaats or Ebay and others"

You can find previous posts featuring the Zeit Machine Sequencer here.

PreenFM2 Demo Sequence

"A short demo sequenced used in the article about PreenFM2 on…-synth-preenfm2/"

DSP synth demo

Published on Aug 2, 2016 Depth Sounder

"A quick demo of CZ and CR-4 dsp chip modules, I am sorry for getting the website wrong, please note it is" [vs. mentioned in the video]

"The 4HP CZ-VCO module is a phase distortion oscillator in a 4HP module.

It replicates the famous PD waveform and can make resonant sweeps without a filter.

Based on the CZ-1 chip ( it features a 1V/Octave pitch input with a 5 octave range and a modulation index CV input with a range of 0.125x – 16x. Both inputs have an attenuator knob doubling as a parameter dial when the CV’s are not plugged in.

It also has a simple Gate VCA input that enables it to be used as a complete synth if you don’t have any EG and VCA modules, i.e with an analog sequencer it will perform as an acid box.

The Nanodrum modules have classic sounds including:

R606 Vintage drums, R727 Latin Percussions, CR-4 Compurhythm, Drumfox Synth Percussion, SP-4 Drumulatin, DX 80’s classic and Lm-1 classic.

All modules have 4 rising edge trig inputs and a global tune knob with input CV.

They are available at:"

Modular Synthesizer demo

Published on Jul 7, 2016 Depth Sounder

"Hey all! In this patch i describe how to get the Daleks into your rig using the phonogene and other eurorack modules."

To any Doctor Who fans out there, this one should bring a smile to your face. Only a modular can make a Dalek happy, unless of course, you continue interrupting it. :)

Sismo COMP 1

comp1 from sismo on Vimeo.

"Sismo COMP 1 is a small tabletop within a richness sound palette. Combines two oscillator controlled by built in lfo, and pass through echo voltage control effects.

By external cv you can control oscillator and echo repeat stages. COMP 1 also has an audio input for external devices and decay/slide effects."

Teenage Engineering OP-1 NES Sounds Zelda II Fight Song!

Published on Aug 2, 2016 Bill Vincent

"This is my rendition (probably not exact but a decent rendering) of the Zelda II fight song, with sounds courtesy of @Cuckoomusic! These sounds are great, and you can get them free from his site:"

Analog Shift Register in Ornament & Crime Copier Maschine mode

Published on Aug 2, 2016 Voltage Control Lab

"One of the few modes that we have not yet explored in Ornament & Crime is the Copier Maschine mode, a 4 channel Analog Shift Register for the Eurorack modular synthesizer."

Simmons SDS 5 / SDSV DIY clone demo

Published on Aug 2, 2016 der oberling

"I have finished building yet another clone project.
It's a clone of the Simmons SDS-V

This time it's a little more DIY because I designed my own 19" rack mountable Frontpanel for the 6 modules and added a selfmade MIDI-Trigger converter that takes MIDI messages (in this Demo they came from Ableton live) and triggers the voices accordingly (sourcecode and schematics:
The MIDI-Trigger converter also includes 16 flame variations that are selected by the velocity of the note.

Recording completely dry from the modules into the sound card. No additional processing. Prepare your speakers/ears for some nasty self oscillations here and there ;-)

Voice PCBs and more Project info:
This Clone itself already includes several more editable parameters than the original and I added the only roughly described LFO-Speed mod as well as the TB1/TB2 switch (Tom/Bass) for even more knobbing fun."

Buchla Percs II

Published on Aug 2, 2016 Todd Barton

"another brief percussive exploration. better audio here:"

ARP Explorer 1 Analog Synthesizer SN 0015

via this auction


via this auction

Only one other previously featured on the site here back in 2013.

Oberheim OB-12 Synthesizer with New Display

via this auction

"These synths have to be one of the best looking synths ever, and they sound good also, with a lot of hands on control. I think the main complaint people had/have with the OB-12 was that it didn't sound like an original, analog Oberheim. I don't have experience with an original analog Oberheim but I think the OB-12 sounds great and is a lot of fun to play with. History seems to be treating this synthesizer kindly and the prices for them have been creeping up for years."

Korg Polysix Keyboard Synthesizer SN 381192

via this auction

Note this one is from synthartist69 who's videos have been featured here on MATRIXYSNTH numerous times over the years.

Roland SH-1 vintage analog monophonic synthesizer with original case SN 700493

via this auction

Roland SH-2 vintage analog synthesizer w/ Original Case SN 820553

via this auction

Moog Minimoog D - Vintage Analog Synth - Low Serial 4754

via this auction

Moog Concertmate MG-1 SN 3945 w/ Custom Wood Side Panels

via this auction

"If you are looking at this, you probably already know all about the MG-1. You will also notice that with the wood panels it is probably also one of the sexiest that you have ever seen!

This unit is in 100% working condition. Every key, knob, and switch is working. The black foam has been removed, and the sliding pots have been cleaned out as well.

This synth was recommend to me by Chris Walla from Death Cab for Cutie when I asked him how he got those nice vintage synth sounds on the Kintsugi album (specifically on the song Black Sun). This synth is amazing! If you like thick 3D Moog sounds, you will love this synth. The filters are definitely all Moog!"

Roland SH101 Mono Synth Fully Serviced

via this auction

Waldorf Micro Q SN 2110050001136

via this auction

Moog 904-A Eurorack clone by DEMO

Published on Aug 2, 2016 Roberto Raineri-Seith

"A 'quick and dirty' demo of the Moog 904-A clone for Eurorack that can be ordered as DIY-project on my website (production files only).

The filter is fed with a single square waveform from a Mos-Lab 921-B VCO.

Various settings, initially without, later with frequency control from the same envelope used on the VCA. No attenuators used. Delay and reverb added.

Final note: the module was only roughly calibrated and not all transistors were matched, so for purist there is some improvement margin left ;-)"

See this post from 2012 on the 904.A, and this post for another video.

..about modular classics (1) - HerrSchneider

..about modular classics (1) - HerrSchneider from HerrSchneider on Vimeo.

"Nowadays some of the younger potential customers are expecting something like a demo button on their new modulars not willing to learn basic technical scills from adsr down to sample&hold. Making a patch on a classical modular system (like this one from Analogue Systems) could lead you to classical synth sounds with spherical athmos quite easy, but.. I tried to not follow this, what looks easy with so many modules in front of me. To let you understand what i did, you can find some explanations of the patch at the end of the video, I hope it is not too boring.

Please listen to the sounds with a headphone or speakers, you will hear the quality of the filters, the bass is indeed very simple. The RS-370 is able to do lots more, but this will need an extra video .. hopefully soon."

Eurorack Patch Performance: ‘The Machines of Iwato’

Eurorack Patch Performance: 'The Machines of Iwato' from Kial on Vimeo.

"An ambient piece performed with all hardware, that was recorded in one take with no over-dubs, or post-processing. Hardware used: a 6U Eurorack modular system, MOTU896HD, and the DigiTech Polara reverb pedal. This is a hands-on performance with the same patch from the 'Self-Generative #3' video, but here the setting and knobs are constantly being altered to create more of a song structure. The music is available for free DL via BandCamp-->"

severence // vulpecula patch

Published on Aug 2, 2016 severence

// experimental ambient soundscapes

// modules used in this patch

addac802 quintet mixing console
epoch modular benjolin
intellijel rainmaker
make noise maths
metasonix r-54 mkII
modcan quad lfo
mutable instruments clouds
schippmann omega-phi
schippmann vcf-02
steady state fate propagate
steady state fate ultra random analog
toppobrillo quantimator
verbos electronics dual four pole
verbos electronics harmonic oscillator
verbos electronics random sampling
verbos electronics voltage multistage
wmd sequential switch matrix + expand
wmd/ssf spo


Published on Aug 2, 2016 PaulLawlerMusic

"Multi layered patch. (audio slightly out of sync)
Grids controlling Pico Drums Spectre & Dinky's Taiko for perc and drums.
Komplex Sequencer controlling Arp 2600 + Roland Sys1-M
Spectral Multiband Generator, Clouds, Buchla Easel, droney FX
My new Modular synth album is also available from here :"

Flying With Musical Instruments: Tech Time 005

Published on Aug 2, 2016 Analog Industries

"Taking your musical instruments on the plane is no problem! How to travel with your Eurorack or other instrument."

All parts here.

Charles Butler's Minimoog Repair (By Synthpro)

Published on Aug 2, 2016 synthpro

"Hey Guys, this video is for Charles but anyone else is welcome to watch it.

This is a 1974 Minimoog that got some much needed TLC."

Major Update for SoundScaper Released

SoundScaper - Demo of oscillator presets and creating new sounds

Published on Aug 2, 2016 Igor Vasiliev

iTunes: SoundScaper - An experimental sound mini lab - iMusicAlbum

"SoundScaper is an experimental sound mini lab for creating unusual soundscapes, atmospheric textures, drones, glitches and noises based on circuit bending principles."

iTunes: SoundScaper - An experimental sound mini lab - iMusicAlbum

"What's New in Version 1.7

This update significantly expands functionality of oscillators which are the basis of sound generation in SoundScaper. With new oscillators you can experiment mangling the samples by using amplitude and frequency modulations, adding a natural dynamical noise and simulate any other failures by using degradation and unstable work of electronic circuits. All of this with addition of ready to use presets opens new space for constructing unique soundscapes and textures.

● Ready-to-use oscillator presets.
● New user interface of oscillator control panel.
● Improved internal sound engine.
● Amplitude modulation of output signal.
● Sine and triangle waveforms of amplitude modulation.
● Change PWM carrier frequency for more lofi effect.
● Simulate degradation of PWM circuits / decrease bit depth.
● Control of unstability of oscillator clock.
● Three types of generated noise like the real circuits.
● Additional control for level of noise.
● Two range individual LFO for modulation of clock frequency.
● Frequency modulation by output signal from other oscillators.
● Added the mode when trigger waits end of sample playback.
● Trigger can shift bits on address lines.
● Reverse shift mode of bits on address lines.
● Improved presets / samples list in the oscillator panel.
● Button for preview sample in the list.
● Added samples in built-in library.
● Updated description of the application.
● Description available as PDF on application site.
● Several minor bugs have been fixed."

Monolake Interview Part Two

Part II added here.

Moog Minimoog Model D Analog Synth Demo

Published on Aug 2, 2016 Ask.Audio

"Read the full review here:"

waverails for iPad

Published on Jul 31, 2016 Signal Narrative

iTunes: waverails - Benjamin Olson

"waverails for iPad is a modular path-based loop processor, inspired by avant-garde tape music and early electromechanical musical contraptions. Instead of recording, overdubbing and splicing together tape, waverails lets you splice, warp, blend and reverse audio (live input and/or samples) in real-time by using path-based modular components. waverails can be used as an audio processor or live performance tool to create effects and performances that aren't easily replicated in real-time with traditional audio software and effects.

More information:

Note: the audio quality in the video is below the app's audio quality due to an issue with the screen capture software."

Lo-fi warped sound collages
Phased loops (just like your favorite 20th century minimalist composers!)
Chopped up real-time glitchy beats
Massive glittery ambience
Granular textures
Harmonic and rhythmic effects that transform input sounds into music

Audiobus support (filter port)
Control each modular component’s parameters in real time
Jump functionality lets you easily set cues and sync object positions and speeds
Fine grained or musical interval-based speed control
BPM control to match audio input tempo
Perform any task with a few taps, without needing any gestures/long presses.
No additional hardware or apps required, create new sounds using internal or imported samples
Info function to share and learn information about custom patches.

note: full patch editing and save functionality require in-app purchase"

Upcoming AVP Synthesizers - HMS-100 Hybrid Mono Synth & MAD-5 MIDI Analog Drums

via AVP Synthesizers. Note three new products are described below. Pictured here are the HMS-100 Hybrid Mono Synth & MAD-5 MIDI Analog Drums.

"In development:

Hybrid monophonic bass synthesizer, comprising a Polivoks filter. [not pictured]

New analog drum synthesizer MAD-5, consisting of 5 drum generators: bass drum, snare drum, clap drum, open hi hat, closed hi hat.

And also a big hybrid monophonic synth MORPHEUS (HMS-100).

3 Digital VCO (wavetable)
3 SubOSC
1 VCF (LP, HP mode)
1 S/H
MIDI (16 ch)

Hybrid monophonic synthesizer MORPHEUS (HMS-100)"


Patch n Tweak

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