Sunday, August 01, 2021
“Flux meets Jupiter-4 15 - Not the major scale” by Friendly Noise
video upload by Friendly Noise
Friendly Noise Jupiter-4 posts
"This is number 15 of a video series combining the best of vintage sound and the best of the modern sequencer technology in eurorack: Roland Jupiter 4 and IO Labs Flux. There will be a new short video about every week.
The Jupiter 4 is always recorded in mono, which makes the internal chorus very subtle. Reverb is added in Cubase to make the sound wider. There is no clipping in the recording chain. If you hear anything close to distortion, it’s all in the sound coming out of the Jupiter 4.
The Roland Jupiter 4 has been rediscovered and established as the most full of character among the Roland polyphonic synths. Although limited in number of voices and straight forward sound architecture, it shines with an unique sonic print which no other synth can emulate. There are lots of great video demos and information on the web, so that no detailed description will be provided here. But it’s important to mention some unique features which will be showed extensively in this video series:
- The Jupiter 4 filter goes into self oscillation. Big guys like Yamaha CS-80, Jupiter 8 or Oberheim OBX-a can’t.
- The LFO is fast enough to get into audio range.
- There is a very noticeable internal saturation when the VCA slider is raised.
Don’t expect nice bass sounds and classic analog leads. The Jupiter 4 is perfect for that, but this has already been done before in many records and internet demos. What you are about to hear is the extreme side of the sound. Be prepared for drones, massive low frequencies, cracking saturation, ultra fast notes and unusual scales. Many sounds will remind you of modular synthesizers, but they were all created by direct recording of the Jupiter 4. :-)
In fact, the VCO is switched off and you will be hearing only the self oscillating filter in almost 80% of the video series. Only in the last videos you will hear the VCO. That means that 80% of the sounds you will hear couldn’t be made with other classic polyphonic synths, unless the filter self oscillates.
Luckily this Jupiter 4 was modded with CV and gate inputs and outputs per voice (and then some). Using this level of control per voice you can use the Jupiter 4 as a vintage monophonic synth, or drive individual voices differently. For example, applying vibrato or slide per voice. In this video series, only three voices were used."
Saturday, July 31, 2021
Sequential Prophet 5 - How Does It Sound?
video upload by SoundsAndGear
"I've owned a Sequential Multitrak for many years and I've wanted to check out the new Prophet 5 for a while. Just playing a few sounds."
Sequential Prophet 5 Chord Memory Mode Demo
video upload by SoundsAndGear
Phase of the sun | Prophet 12 FM Phase Modulation Tine
video upload by MIDERA
"A bit dismayed by the lack of 'bite' with the Prophet 12 FM, I tried digging deeper to see what could be done with it. Just adding 'FM' and Linear FM (i.e., phase modulation) is not enough to really brighten a sine way. Here, I then added velocity as a mod source and FM as a destination... 4 times. Apparently, on the Prophet 12, you're able to modulate and modulate things more and more for the effect you want. It seems to work, so I'll take it. All 4 oscillators are active here, although Osc2 is not audible, only acting as a modulator for OSC1. All oscillators are sine waves.
Of course, it's still not quite as expressive as the SY77. The SY77 has a lot of low end yet keeps the high end sparkly. The P12 handles it ok at best.
One person suggested keeping the oscillators under 50%. I kept them around that for this video, but I still notice distortion. I'll take their advice and drop it to under 50%, hopefully that helps.
Eventide Blackhole VST for effect."
Cynthcart (C64 synthesizer) #shorts
video upload by BlueYakk
"Fooling around with Cynthcart. The SID chip is amazing...!
The Cynthcart turns your Commodore 64 into a standalone analog synthesizer.
Want to know more? Yes, you do:
http://www.qotile.net/cynthcart.html"
Rebel Technology Witch First Jam
video upload by The Modular Clubhouse
"First Jam with the new Rebel Technology Witch programmable synth."
DSI Sequential PRO3 SE // Can it REPLACE ALL your MODULAR GEAR?
video upload by Dexba
"This video is my answer to that question, the question that prompted me to buy the PRO3 in the first place.
I had quite a lot of eurorack stuff around, but it was becoming more of an obsession, with all those buy sell trade try learn trade again, in an infinite loop without sign of slowing down and PEACE.
So I decided to sell all my modular gear, in order to fund this (which seems a way better value than the two premium modules I had to sell) and some other gear.
My Sequential / DSI Pro 3 already appeared on my channel before, but in a way that wasn't the one I bought it for.
So, I took my time to try to get in the same mindset I would have had while patching my eurorack system: I started from nothing, a buzzing wave, then I started "patching", modulating the OSC, the filter, the onboard FX (yeah!), assigning some stuff to the control surfaces (touch strip + mod wheel) and I tried my best with the sequencer to obtain the deep, nonsensical, evolving patches I used to make with the modular gear.
I was so happy, I reached my goal, and now I am GAS-free for eurorack stuff.
Yeah, I miss a bit the physical act of patching, but hey, that's way more practical and it comes with presets, so I can save my work to get back to it another time!
Enjoy ✨"
Sequential OB 6 Sounds
video upload by Pure Ambient Drone
"Some sounds from the Sequential OB 6 formally known as DSI or Dave Smith Instruments. This synth really brings back the old days of the 80s for me. I love this synth very much. One of my favorite synths ever simply for the sound alone! OB 6 has such a rich old classic tone to it. Its hard to get a bad sound of this synthesizer."
Sampling the Erica Synths DB-01 into the Octatrack - 1 Synth to create all sounds
video upload by EZBOT
"In this stream I will be using the Erica Synths DB-01 Bassline to create all the sounds for a track. This means Drums, Bassline, Leads, and Pads. Nothing pre-sampled, everything made on the DB-01 and arranged in the Elektron Octatrack."
EZBOT Links:
https://www.patreon.com/ezbot
https://www.ezbot.live/
https://soundcloud.com/ezbotmusic
https://www.modbang.com/
https://www.instagram.com/ezbotmusic/"
Zlob Introduces the VC F3DB Fixed Filter Bank Eurorack Module
What is a Fixed Filter Bank? | Chaos + Control with Zlob VC F3DBvideo upload by Sarah Belle Reid
"In this video, we explore the history of fixed filter banks in synthesizers (what they are, how they work), demonstrate some classic fixed filter bank concepts, and then dive into a series of patch examples exploring the Zlob Modular VC F3DB.
Zlob Modular's VC F3DB is a filter bank for Eurorack modular synthesizers. But it's much more than just that as well; while it can produce the clean, dry, nasal tones you might expect from a classic Moog or Buchla filter bank, it is designed to leverage feedback, clipping, and per-band envelope followers, allowing it to act as a chaotic sound source, spectral decoder, and intense distortion.
To access extended audio from this video (aaand there's a lot of it!), check out my Patreon page! You're free to use these sounds as materials for you own music, as well:
www.patreon.com/sarahbellereid
Video Timestamps:
00:00 Intro + Video Overview
01:40 What's A Fixed Filter Bank?
03:36 What's a Filter Bank Good For?
07:42 F3DB Module Overview
09:53 Patch #1: Clipping
11:37 Patch #2: Adding Modulation
16:00 Patch #3: Feedback
19:48 Patch #4: Feedback (But Less Crazy This Time)
22:00 Patch #5: Feedback with Modulation
24:43 Patch #6: Spectral Decoder"
Zlob VC F3DB First Look video upload by Brett Naucke
"A first look at this fantastic new 6-Band Voltage Controlled Filterbank by Zlob Modular. Patch examples including manual filtering, drum processing, voltage controlled filter animation, 'vocoding' and some exploitations using the filterbank as a chaotic audio source. This is a GREAT filterbank capable of some very unique overdrive and distortion functions that set it apart from all other filterbanks in eurorack modular."
https://zlobmodular.com
via Zlob Modular
"VC F3DB stands for Voltage Controlled Fixed Filter Feedback Distortion Bank. The simplest description is it’s a 16hp six band voltage controlled fixed filter bank. But with the additions of so much gain, clipping, feedback, and self-oscillation it becomes a very flexible and unique gestural sound sculpting tool capable of; graphic equalization over 6 octaves, multi-band distortion, spectral processing, crude vocoding, multi-frequency envelope following, self-modulation, and even as an instrument on its own. With no input it can be used as a pseudo chaotic “harmonic” feedback oscillator.
The filter frequencies were specifically chosen to emphasize more ambiguous and dissonant intervals. Although the frequency bands are spread out over many octaves I purposely tried to leave out “3rds” besides a major 10th at the top frequencies to even out all the dissonance below. But the frequencies aren’t exactly equal tempered, so it’s relative. The bands roughly equate to F2, B3, F#5, C6, F7, A8.
The design is based on the Moog 914 filterbank, which it borrows the frequency bands from. But this circuit uses active filters with opamps inspired by YU Synth opposed to passive cells using inductors on the original. The 88hz is a low pass -24db/oct and 7k is a high pass -24db/oct, the rest are -12db/oct band pass filters all with a Q around 4.
The hard and soft clipping circuit on the input is fairly standard which appears in many different iterations of classic guitar pedals. But it has a lot of gain and can even boost line level signals. What makes it a bit unique is the feedback on the clipping circuit which needs to be turned on by the GFB(gain feedback) switch and the amount can be controlled by the Gain FB pot which can add some fuzz/bite to the signal depending on which clipping switch is engaged or at the extremes it will self oscillate from audio rate to LFO sort of clicking range. All the clipping stages in the module are using silicon diodes.
Consult the Signal Flow Chart to the left for a rough visual breakdown of the controls,in/outs,normalizations, and optional settings for the module.
Each band can also be muted by the top toggle switches or clipped(at the VCA) by the top slide switch which makes this design a bit different than other filter banks. As well as the overall feedback section(bottom middle) takes the sum/all bands out through a VCA(controlled by the feedback pot and FB CV) back to the input gain/clip circuit. and you can also tap into this using different sends/bands to the FB In jack to break the normalization. With this extra feedback “resonance” you can get more whistley and howly filter sounds kinda like the Serge res eq, which can also go into self oscillation.
All cv ins are expecting +5v to open the VCAs(they wont respond to negative voltage), once you get closer to +8v or so it can clip the vca regardless of the gain settings or clip switches. Output amplitude in high gain settings will exceed 10vpp and can get up to 20vpp. The envelope followers tend to stay around 0-5v out, but with clip switch active they can go up to 10v.
Since this is a high gain module there can be bleed between the bands in certain configurations and situations. Also in high gain modes with higher frequencies the 2.8k and 7k bands can bleed a little with the VCAs closed.
This is a highly involved DIY all through hole project. It is a long build with 5 different pcbs to solder and assemble.
THIS IS NOT A BEGINNER OR INTERMEDIATE PROJECT."
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MATRIXSYNTH - EVERYTHING SYNTH
© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH

























