Sunday, July 06, 2025
Synth Show - Ep231 - SuonoBuono Polyvera Synth
video upload by GEOSynths
"The moment I first heard the Polyvera Synth by SuonoBuono, I knew I had to have it. The perfect Hybrid Synthesizer with Digital Oscillators for both Wavetable and Samples, however also the ability to use aliasing/noise as a Sound Source, passed into Analog Filters and great FX.
I liked it so much I asked the founder and developer of the Polyvera from SuonoBuone to join me for an Interview back in April."
Synth Show - Ep220 - Interview with Stefano Sorrentino (Suonobuono)
video upload by GEOSynths
"I was amazed to see and hear the recent Video of the Polyvera Synthesizer, which was presented by Stefano himself, founder of Sounobuono and invited him on the Show to discuss his most recent Synth, as well as his other products and background."
A $20 MIDI synthesizer based on the SAM2695 chip (#seeed #XIAO-MIDI-Synthesizer)
video upload by Floyd Steinberg
"Here's the #seeed 'XIAO MIDI' #synthesizer, a $20 box based on the #SAM2695 synth-on-a-chip and the XIAO ESP32-C3 MCU. You can get it here: https://www.seeedstudio.com/XIAO-MIDI... Table of contents:
00:00 quick sound impression
00:12 hi
00:38 hardware overview
00:57 default firmware
01:50 creating a firmware that actually supports MIDI (shoutout to @SimpleDIYElectroMusicProjects )
03:12 build a 5 pin MIDI in plug
05:23 some sounds: piano
06:20 saw wave pad
06:34 "crystal ep"
07:13 analog pad
07:27 'glass pad'
08:05 synth brass
08:23 drum kit
08:33 on NRPNs and SYSEX using @intechstudio 's GRID controllers
09:13 NRPN explained (Filter cutoff frequency control)
10:54 SYSEX explained (Reverb time control)
11:38 calculating the checksum
12:20 live tweaking demo
13:01 same, but using multiple tracks
14:25 conclusion; some feedback to SEEED
Also check out https://github.com/kinoshita-lab/MIDI... which uses the same chip but already has a MIDI capable firmware. https://www.tindie.com/products/kinos...
HÄLP ZIS CHANNEL
https://www.patreon.com/floyd_steinberg
https://floydsteinberg.gumroad.com/
https://floydsteinberg.bandcamp.com/"


Features 1: Zero-Barrier Creation, Perfect for Music Beginners
With three preset modes and plug-and-play functionality, you can dive straight into music creation—no complex setup required. Built-in speaker and four tactile buttons deliver an intuitive, self-contained experience that eliminates external dependencies. Start making music from the very first note, no prior expertise needed.
Features 2: All-in-One MIDI + Metronome – Smarter, Smoother Workflow
XIAO MIDI synthesizer comes with a pre-set Metronome Mode, where you can press the buttons to change your BPM and toggle the drum track to effortlessly sync rhythms and control your entire beats with one single device. No need for extra devices or apps.
Features 3: Pro-Grade Performance for Advanced Players
Open-source hardware/software architecture supports deep customization and advanced sound design. With 64-note polyphony and 128-note capacity, unlock limitless sonic possibilities—craft your own signature sound engine, whether you're a beginner or an audio hacker.
Features 4: Ultra-Portable & Fully Hackable
Pocket-sized design (71mm × 49mm × 28.5mm) lets you capture inspiration anytime, anywhere. The 3D printed enclosure is fully open-source for you to remix and customize—not just an instrument, but your personal music canvas.
15- The Casio Casiotone 405-Chord section part 3
15- The Casio Casiotone 405-Chord section part 3
video upload by AutomaticGainsay
"Here is part three of a three-part demonstration of the sound and functionality of the "chord" section of controls found on the Casio Casiotone 405.
The theme to this series was created entirely with the Casio Casiotone 405 plus drums constructed from GarageBand loops."
16- The Casio Casiotone 405- Bass Variation Settings
video upload by AutomaticGainsay
"Here is a demonstration of the bass performances associated with the different drum patterns, and their four variations."
17- The Casio Casiotone 405- Bass Variation Settings 2
video upload by AutomaticGainsay
"Here is part two of a three-part examination of the sound and functionality of the bass variations switch available on the Casio Casiotone 405."
All parts here
video upload by AutomaticGainsay
"Here is part three of a three-part demonstration of the sound and functionality of the "chord" section of controls found on the Casio Casiotone 405.
The theme to this series was created entirely with the Casio Casiotone 405 plus drums constructed from GarageBand loops."
16- The Casio Casiotone 405- Bass Variation Settings
video upload by AutomaticGainsay
"Here is a demonstration of the bass performances associated with the different drum patterns, and their four variations."
17- The Casio Casiotone 405- Bass Variation Settings 2
video upload by AutomaticGainsay
"Here is part two of a three-part examination of the sound and functionality of the bass variations switch available on the Casio Casiotone 405."
All parts here
Dave Smith Instruments Mopho X4 Analog Keyboard Synthesizer SN 01353
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
Elta Music Solar 42F Ambient Machine Drone Synthesizer (Maize Yellow)
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
Moog Grandmother Semi-Modular Analog Keyboard Synthesizer
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
Additional Perfect Circuit listings
via this listing
Additional Perfect Circuit listings
Roland RS-202 Vintage Analog String Synthesizer
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"The RS-202 is known for its lush string and brass sounds comparable to the ARP Solina and Korg Poly ensemble. Features the classic Roland Chorus Ensemble which sets it apart from others.
This Roland RS202 has been restored back to fully functional condition! Comes with the original travel lid and music stand"
via this Reverb listing
"The RS-202 is known for its lush string and brass sounds comparable to the ARP Solina and Korg Poly ensemble. Features the classic Roland Chorus Ensemble which sets it apart from others.
This Roland RS202 has been restored back to fully functional condition! Comes with the original travel lid and music stand"
Hohner Bass 3 vintage analog monophonic bass synthesizer
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"The Honer Bass 3 is an Analog Bass Synthesizer. It has been recently been made famous by producer Danger Mouse on such recordings as Crazy and The Good The Bad and the Queen.
It's a Rare mid-'70s monophonic 30-key bass synth/organ with Tuba, Guitar, and String presets, with adjustable sustain/decay control.
Made in Germany.
fully working, clean and good condition for it's age"
via this Reverb listing
"The Honer Bass 3 is an Analog Bass Synthesizer. It has been recently been made famous by producer Danger Mouse on such recordings as Crazy and The Good The Bad and the Queen.
It's a Rare mid-'70s monophonic 30-key bass synth/organ with Tuba, Guitar, and String presets, with adjustable sustain/decay control.
Made in Germany.
fully working, clean and good condition for it's age"
Custom Pink and Teal Boss SP-303 Dr. Sample
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"custom painted MINT SP303 sampler. One of kind. Excellent work.
Everything is flawless, including all pads. It will be rare to find an example of this clean, and this is a one of a kind unit.
Includes power unit and memory card"
via this Reverb listing
"custom painted MINT SP303 sampler. One of kind. Excellent work.
Everything is flawless, including all pads. It will be rare to find an example of this clean, and this is a one of a kind unit.
Includes power unit and memory card"
Custom Blue Kawai K5 61-Key Multi Dimensional Additive Synthesizer
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"The whole synth has been painted and all of the labels have been replaced.
It's not perfect but it looks great!
It has a nice new display.
All of the keys were polished and it plays like a dream.
It has some signs of wear and tear but nothing major."
via this Reverb listing
"The whole synth has been painted and all of the labels have been replaced.
It's not perfect but it looks great!
It has a nice new display.
All of the keys were polished and it plays like a dream.
It has some signs of wear and tear but nothing major."
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© 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