Monday, October 13, 2025
Roland System 700 (Live performance feat. Wizard) @SynthTemple
video upload by Brett Little
"All sounds created and performed in a single patch on the magnificent Roland System 700 at Synth Temple in Melbourne. A throwback performance to the mid 70s when this rare and absolutely monolithic synth was invented. Performance and patch by Wizard, featuring artists Mu-Gen and Cosmic Sound Explorer."
Soundtoys EchoBoy & SuperPlate Sale Ends Today


Just a heads up, Soundtoys EchoBoy & SuperPlate are currently on sale, and the sale ends tonight.
You can find EchoBoy here and SuperPlate here.
ELTA Music POLYVOX 8 Incoming
via ELTA Music
"The prototype is already in development. An 8-voice polyphonic synthesizer with presets, MPE, and many other features. More details to come. Stay tuned. #polivoks #polyvox #synth #synths #synthesizers #synthesizer #eltamusic #analogsynth"
Oberheim TEO-5 vs Sequential OB6 (Tone and filter focus, no talking no fx)
video upload by Infested Alien
"Just a super simple comparison trying to match them a bit to each other. The matching is oriented more towards OB6 since it has least modulation possibilities compared to the TEO5. When it comes to the tone character I've to say OB6 is more in my taste but we are limited with modulation on the OB6 so if you love modulation then TEO-5 is the king :)"
SEQUENTIAL CIRCUITS SCI MODEL 64 SEQUENCER Interface Cartridge für COMMODORE 64
Note: links to listings are affiliate links for which the site may be compensated.
via this eBay listing
This one was spotted and sent in via
M Me.
From the listing (Google translated):
"The case shows virtually no signs of wear.
As far as I can tell, nothing appears to be damaged.
This is an absolute rarity!
Please note - Unfortunately, I cannot technically test the device, as I don't own a Commodore 64.
For this reason, I must sell the SEQUENTIAL CIRCUITS Model 64 as 'untested' or 'unreviewed'! This sale is non-returnable!
There is some information about this device online - for example - https://www.muzines.co.uk/articles/sci-model-64-sequencer/7891"
via this eBay listing
This one was spotted and sent in via
M Me.
From the listing (Google translated):
"The case shows virtually no signs of wear.
As far as I can tell, nothing appears to be damaged.
This is an absolute rarity!
Please note - Unfortunately, I cannot technically test the device, as I don't own a Commodore 64.
For this reason, I must sell the SEQUENTIAL CIRCUITS Model 64 as 'untested' or 'unreviewed'! This sale is non-returnable!
There is some information about this device online - for example - https://www.muzines.co.uk/articles/sci-model-64-sequencer/7891"
Similis - Chords
video upload by DecadeBridge
"Similis is a lofi synthesiser that has 6 different presets.
This is an example of the 'chord' preset.
The first control sets the root note of the chord. The second selects 1 of the 10 chords available (5 major variations and 5 minor). The third control sets the volume of the notes that make up the chord except the root. Each of these controls has a CV input.
Here the root note is controlled by the keystep pitch. The VCA is being gated by the keysteps gate out. The volume of the chord notes are controlled using the mod wheel."
https://decadebridge.etsy.com/


"Similis is a lofi chip tune synthesiser that uses basic waveforms to generate it's sound.
Features:-
6 different settings (TYPE) from stacked oscillators to chords to self sequencing.
The setting selection can also be stepped using a trigger/gate signal for some odd patch skipping.
Each control can also has a CV input for connecting external gear.
Settings 1-3 deal with stacked oscillators.
3 oscillators with independent pitch. Sine, Saw and Triangle waves.
3 stacked oscillators. The first sets the root note and the other two are detuned plus and minus from the root.
The two detuned oscillators can be faded in.
Chords. The first oscillator sets the root note. The second control sets the chord (5 major chord variations and 5 minor) The amount of voices in the chord can be altered using switch C. The chord notes can be faded in to give a swell effect.
Settings 4-6. Simple sequencing.
The last three patches are random sequencers. The first is free running. Select between, chromatic, major and minor scales. The range and rate of the sequence can be altered and a second oscillator can also be brought into the sound.
The last two patches substitute the rate control as a mix for other voices. A short trigger signal is needed to tell Similis to choose a new random note/s within it’s selected scale.
The output is run through a 3 position passive LPF which turns into a Low pass gate when the VCA switch is down and a CV signal is connected to the VCA input."
Dreamy Soundscapes: Prophet Rev2 Meets Hologram Microcosm
video upload by Le Code
"The Prophet Rev2 produces such organic, warm sounds that it only needs a few effects to transport us into space. The notes are multiplied by the Hologram Microcosm, while the Strymon Big Sky adds depth to the whole : it's an ambient melody.
GENTLY AMBIENT MELODY WITH PROPHET REVB2, HOLOGRAM MICROCOSM AND STRYMON BIGSKY
#ambient #ambientmusic #rev2 #microcosm #strymonbigsky #ambientpads
Music written and produced by Alexandre de Charrin
Additional soundscape pads : Ambient 3 by Luftrum
Recorded with Steinberg UR824
FREE DOWNLOAD
Download my 4-track EP 'Introspection' for free
★ https://bit.ly/3T3Ixai"
Yamaha ED20 Sample Pack Demo - Lovingly recorded from a rare drum pad synthesizer
video upload by Edward Jones
"You can buy a sample pack of all sounds recorded dry and lowest pitch from the unit. The samples are possibly 12 bit internally. I cannot work out how to open up the machine without destroying it (hence that small tear on the drum head)/
https://loscha.bandcamp.com/album/yam...
Each sample has been normalized. The actual sample playback volumes on the machine were erratic. They were triggered using the PAD IN terminal at the back and triggered from the DAW so the samples would be time aligned and sightly easier to chop."
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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