MATRIXSYNTH


Sunday, October 26, 2025

SynTesla VCO Hz-OSC560 from Hans Zimmer's Giorgio III


video upload by SynTesla

"Here is a short demo of the Hz-OSC560 oscillator, the same one found in Hans Zimmer's gigantic synthesiser ‘Giorgio III’. Here I am making a quick hard sync patch of two oscillators.
Please forgive the poor musical performance."

See: Hans Zimmer Next Level Giorgio III Monumental 5U Modular System

A quick Caladan update: current state of UI


video upload by Isla Instruments

"As a follow up to the update I gave on our forum a couple of weeks back
https://forum.islainstruments.com/t/a...

I will not be around for the next 4-5 weeks and so just wanted to leave a progress update here, since I am doing the UI firmware for the Caladan myself now.

The populating of synth parameter data is now complete for the front panel, with automatic, dynamic parameter mapping. Menus and general machine navigation is now in place.
I've been working on a dynamic, automatic GUI that allows synth panels for cards, plugins and even external midi instruments to be created and edited, shared etc.
In the future this panel feature can import graphics, different knob styles etc to create nice GUIs for anything on the synth.

more to follow as soon as I can. thanks for your patience.
Big love
Brad!"

Sinevibes Luminance v2 & Hollow v2


video uploads by Sinevibes

Playlist:

1. Sinevibes Luminance v2 – on KORG minilogue xd
2. Sinevibes Luminance v2 – on KORG minilogue xd

via Sinevibes

"Luminance is a shimmer reverb plugin for KORG prologue, minilogue xd, NTS-1, NTS-1 mkII, NTS-3 and microKORG2. It’s a novel take on this highly coveted effect: an ethereal reverb whose tail gradually pitch-shifts itself upwards or downwards. The plugin is based on a feedback delay network with a built-in a granular pitch shifter and chorus-style modulation. Thanks to the very unique and meticulously executed tuning of its individual components, Luminance gently follows the original musical content and creates a rich background sound layer – reminiscent of a gorgeous, dreamy symphony of strings or pipe organs."

Sinevibes Hollow v2

video uploads by Sinevibes

Playlist:

1. Sinevibes Hollow v2 – on KORG NTS 3
2. Sinevibes Hollow v2 – on KORG minilogue xd

via Sinevibes

"Hollow is a vast space reverb plugin for KORG prologue, minilogue xd, NTS-1, NTS-1 mkII, NTS-3 and microKORG2. At its core is a feedback delay network – with as many as 64 connections – that produces a truly lush, almost three-dimensional reverb sound. With all settings maxed out, this engine is capable of tail times that exceed several minutes, while still having a smooth and naturally decay. The algorithm also features our trademark unison-style modulation via three phase-shifted sine oscillators, adding highly melodic depth and richness."

PopuPiano’s LED Keys: Smart Learning Meets MIDI Control in a Colorful Portable Keyboard


video upload by Floyd Steinberg

"#popupiano ( https://go.sjv.io/MA7Ld3 or https://www.popumusic.com ) is a battery-powered, multicolored keyboard that teaches piano lessons with an app available for IOS and Android. It's also a MIDI device with detachable left-hand devices, a chord pad and another 2 octave keyboard. Please watch the video before setting the comments section on fire. ;-)

Table of contents:

00:00 hello
00:22 what's this / what's in the box
01:32 hardware features
02:48 the chord pad (plus demo)
03:39 the app - overview and piano sound
04:47 the piano course and color sync
06:21 play & sing mode with licensed music
07:21 free play mode / chord pad customisation
08:06 AI mode (loop generator)
08:37 using it with a DAW
09:51 some internet controversy (or maybe not)
11:01 conclusion: the good ...
11:35 the mid ...
12:08 ... and some improvements that would be very nice to have
12:46 it's good!
13:05 used with a hardware synthesiser (Zynthian 5.1)
14:03 do the youtube thing :-)

Blog post links: https://www.popumusic.com/blogs/news/... and https://roli.com/blog/best-smart-keyb...

HÄLP ZIS CHANNEL
https://www.patreon.com/floyd_steinberg
https://floydsteinberg.gumroad.com/
https://floydsteinberg.bandcamp.com/"

Torso Live Session #1: IDRA


video upload by torso electronics

Torso Live Session #1: IDRA - Top Down Camera


"Torso Electronics presents a new series of live sessions recorded at our office space in Copenhagen.

The first episode features IDRA, guiding us through ambient textures and cinematic explorations, blending noise and melodic collages. Performed on the S4 sculpting sampler and the OP-1.

Enjoy

About IDRA
IDRA , Francesca Pavesi, is a musician, producer, and sound artist from Milan. Her work explores the intersection of ambient and experimental electronic music, where organic textures, modular synthesis, and acoustic elements merge into immersive sonic worlds. Guided by attentive listening, she uses sound as an introspective space for deep, focused listening and a sense of timelessness.

See more at
https://www.idrasound.com/
https://torsoelectronics.com/
/ torsoelectronics

Video by Spektrals
kontakt@spektrals.dk

Soundsystem: Panda Sound"

Waldorf Rack Attack Percussion Synthesizer

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


via this Vemia listing

Click the auction link on top when you get there for additional listings.

"This is one of the rarest of Waldorf products. The Rack Attack is a dedicated percussion synth based on the Micro Q's structure but offering a very different slant https://waldorfmusic.com/legacy-rack-attack/ This example is in very good condition, with just a few superficial marks. check the photos. The backlight is very good - see one of the pics. The external UK PSU has the earth pin removed which might seem a bit alarming, but I asked Waldorf at the time I bought it and it was done in factory apparently!"

Sequential Circuits Pro One (100)

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


via this Vemia listing

Click the auction link on top when you get there for additional listings.

"Original Sequential Circuits Pro-One synthesizer in very good condition. Only one owner since new, the Norwegian synth band Fra Lippo Lippi. The synth is considered by many as one of the best mono synths ever. It is in original form, only the power had has an upgrade (new caps), and it has been cleaned inside and outside, fully calibrated and ready for use. All knobs are original, and all functions work as they should. One slider knob has ever so slightly contacts problems, but it has been cleaned and re-lubricated, so it works fine, but care might be needed. Or it could be changed to a new one. We choose not to do that to keep the complete synth original. The keyboard is original too, and might need new bushings if you are a keyboard player. All interfaces work, and of course it sounds brilliantly!"

Korg Mono/Poly original (not perfect)

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


via this Vemia listing

Click the auction link on top when you get there for additional listings.

"Pretty good condition considering how old it is - the endcheeks have the usual minor damage on the corners but the panel, knobs, keys etc are very good. It needs a litle work* to be 100%: it has probably about 4 duff keys (will need re-coating with the special compound you can get) otherwise works over CV, Internally from what I remember, it has a slight crack on the pcb which had been patched up and resoldered by the previous owner. Few noisy pots etc."

Erik Norlander's Roland Rhodes MK80 Digital Electric Piano

Note: links to listings are affiliate links for which the site may be compensated.
video upload by moogfoundation



via this Reverb listing

"The Rhodes MK-80 (released by Roland) is a late-era digital stage piano offering high-quality sampled Rhodes tones in a solid, weighted-key format. Designed in the mid-’80s with input from Harold Rhodes himself, it combines responsive feel with versatile electric piano voices and MIDI integration, making it ideal for studio and live use.

This unit is in excellent condition, with all functions working properly, and includes a rugged SKB flight case for protection and transport. The size and weight of this piano and case is rather imposing. A local pickup is highly recommended; Freight shipping may be arranged by the buyer (please contact us prior to purchase if you intend to have the item shipped). Note that freight shipping may end up rivaling the price of the unit itself!

Key Features:

76 weighted keys with velocity sensitivity
Sample-based electric piano sounds with adjustable EQ and dynamics
Onboard effects including tremolo, chorus and phaser
Full MIDI implementation for control and sequencing
Includes SKB hard flight case
Condition Notes:

Fully functional with no dead keys or display issues
Flight case included, in good condition
Clean cosmetic shape with only minor signs of use
While not a mechanical Rhodes, the MK-80 offers the feel and tonal characteristics of the classic instruments in a more portable, low-maintenance format. A solid studio option or roadworthy workhorse.

30% of proceeds benefit the Bob Moog Foundation."

Erik Norlander's Waldorf Pulse 2 Analog Synthesizer Module

Note: links to listings are affiliate links for which the site may be compensated.
video upload by moogfoundation



via this Reverb listing

"The Waldorf Pulse 2 is a desktop monophonic analog synthesizer module known for its aggressive tone, three VCOs, and deep modulation options. Built with classic subtractive architecture and German precision, the Pulse 2 delivers rich basses, snarling leads, and gritty analog textures perfect for techno, industrial, and vintage-inspired sound design.

This unit is in excellent condition, clean and working great.

Key Features:

3 analog VCOs with sync and FM
24 dB/oct analog low-pass filter
Extensive modulation with LFO and envelope routing
Arpeggiator, MIDI clock sync
Condition Notes:

Fully tested and working
All knobs, buttons, and display in excellent shape
A favorite of artists like Nitzer Ebb, Orbital, and Fluke, the Waldorf Pulse is a deep and powerful monosynth that holds its own in any modern hybrid setup: gritty, punchy, and unapologetically analog.

30% of proceeds support the Bob Moog Foundation."

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