MATRIXSYNTH


Monday, August 04, 2025

AMSynths AM1004P tests


video upload by ranzee

"Adventures in Eurorack or Modular Synthesizers"

Groovetube - plasma waveforms


video upload by Telmatronics

"Scope trace showing output sound waveform.
Plasma fluctuations can have a range of bizarre waveforms, such as alternating long/short periods and repeating but irregular patterns. Here the drive is varied with each note, and you can see different types of waveform interact with different input tones.
This clip also shows some first testing of an auto-tuning system.
In this, the machine first listens to the tube output to learn how to drive it to be in tune with applied input tones. Plasma does not have a linear response to drive conditions, so the system doesn't always produce exactly the same result."

How do you feel about modifying vintage synths?


video upload by Soundgas

"How do you feel about modifying vintage synths?

Just got my EMS Synthi AKS back from a thorough overhaul and with a stack of mods added (it’d already had some historic and less than pretty ones installed).

People often ask whether modifying a synth like this affects value. While there’s no denying it can feel sacrilegious when you’re talking about an exceptionally well preserved example, I am 100% for anything that means old gear will get used more.

One of the worst things you can do with old gear is put it on a shelf and not use it. We regularly get contacted by collectors (or people who no longer use their now valuable vintage synths) expecting top prices for their precious instruments which come ‘serviced’ and ‘working perfectly - last time I used it’. A little digging usually reveals this to have been a decade or more ago and the service work is ancient history.

So if modding that classic synth means you’ll play it more and enjoy it, that to me is a no brainer.

I understand that this puts us at odds with many vintage synth collectors, but the majority of our customers - who want to use them (shock horror) for making music - seem to agree.

What do you think? Modify old gear or not?"

Roland SVC-350 Vocoder Plus Rackmount Analog Vocoder SN 222164

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


via this Reverb listing

Red Roland SH-101 with MGS-1 Grip and Hard Case

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


via this Reverb listing

Sequential DrumTraks 12-Voice Drum Machine SN 2851

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


via this Reverb listing

"The machine works very well. Close to mint, in perfect order, all tested. New memory battery, all knobs revised and cleaned."

Korg Kaossilator Dynamic Phrase Synthesizer w/ Original Box

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


via this eBay listing

Alternating Measures #squarp #hermod #oberheim #novation #moog #korg #soma


video upload by MKustomAudio

"Some material sequenced on the Squarp Hermod+ using different measure lengths for the parts alternating how it sounds as the patterns loop. Sound sources include the Oberheim OB-6, Moog Mother 32, Novation Peak, and Korg Minilogue XD and Arp 2600m. All summed audio is then routed through the Soma Cosmos for some additional ambience."

Analog Multitimbral Marvel - 6 Synths... Simultaneously


video upload by Starsky Carr

"In the V1.3 update we can have upto 6 different synths in the same machine

The Redshift 6 is based on the Supercritical Demon Core Oscillator and Neutron Flux Filter eurorack modules.. both of which offer a huge amount of flexibility for analog oscillators and filters. Supercritical have been able to do this through designing a system where they can control the character of the filters and oscillators under digital control."

0:00 Getting Into the Groove
0:30 What's So Special About the Redshift?
3:55 Multitimbral Modes
4:39 Demo Track Set-Up
5:50 Paraphonic - lots of oscillators in ONE oscillator
7:24 Binaural - Poly & Unison Combined
9:02 6 Monosynths - with 6 Outputs

Rhythm Wolf with Mods


video upload by Ground Grown Circuits

"A demo of my Akai Rhythm Wolf with some modufications.
Changed filter and overdrive, added high pass mode, added keyboard cv to filter, made envelope amount to filter bi-polar, added individual outputs on front and filter CV input on rear panel."
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