MATRIXSYNTH

Pollard Syndrum 178 Demo

video upload by akestromer

Additonal Pollard Syndrum 178 posts

https://reverb.com/shop/stromer-mutroniks

video upload by akestromer

Guitar demo, but making the exception for this as it's from stromer and related to the Mutron III as well as previous posts below, not to mention it looks cool.

"Frogg Compusound knockoff project
It's like a Mutron III, but different.

Still a work in progress. I think I've got the computer part down, now I need to make the filter sound a little sweeter.

Be nice."

https://reverb.com/shop/stromer-mutroniks

Arduino based MIDI Drum Sequencer

video upload by akestromer

"This sequencer started as a Big Button Sequencer. When I looked into building a drum sequencer without internal sounds his was the only one that made sense. So I owe a great deal of gratitude to Look mum no computer. I've since learned a great deal and added and removed a lot of code, out of the about 800 lines of code there are still a few in there that come from him.

I used an atmega328p, some 74HC595s, a 74HC14 and some other stuff.
In this program the sequence currently running is in a 2d array of booleans. But to save space they're saved in the dynamic(?) memory (and the eeprom) as bytes. 2 per sequence. The 16 sequences are 16 steps long and each have 12 tracks.
I'll try to post a simple version of the code soon. It's kind of a mess.

"Sketch uses 8174 bytes (25%) of program storage space. Maximum is 32256 bytes. Global variables use 1125 bytes (54%) of dynamic memory, leaving 923 bytes for local variables. Maximum is 2048 bytes."

Anyway, I hope this helps someone."

https://reverb.com/shop/stromer-mutroniks

8 bit sample Drums with Arduino MIDI

video upload by akestromer

For sale at: https://reverb.com/shop/stromer-mutroniks

"These are modded Benz DXL6000 'Personal Digital Drums'

All the sounds in this video come from the two DXL6000's.
The MPC500 is just used as a MIDI sequencer.
One of the DXL6000's has the original sounds that came with the unit (snare, kick, tom1, tom2 & tom3) and the second one has eproms I made. Clap, Hihat and Claves.

Each unit has three 2764 eproms. The toms/claves just use one Eprom that's tuned differently depending on which sound is triggered. There are also three separate outputs apart from the master output. One for each eprom.

The machines are triggered with a simple arduino MIDI to trig circuit I made.
The MIDI channel and note for each sound can be changed by holding down the MIDI learn button at startup.

I think that's it. Complicated way to explain something simple.
Just watch the video, hope you like it. If you don't, do something else."

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Strömer Electric Bongos

Note: Auction links are affiliate links for which the site may be compensated.
video upload by akestromer

"Based on the old Mica-sonic electric bongos. Sonic Electric Bongos made from the original schematic with added MIDI. Analog drums triggered by MIDI. Comes with a standard 9V power supply.
This one's for sale over here:"
https://reverb.com/shop/stromer-mutroniks

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The Synclap electronic handclap

video upload by akestromer

"From Electronics & Music Maker September 1983.
Designed by Kenneth McAlpine. Finished by Strömer Mutroniks in 2022.
PCB made by JLCPCB."

Another intersting bit of synth history. You can find only two previous posts mentioning the Synclap here. It appears the design was used by other manufactureres.

H.W. Cano Gravitom Rare Drum Synthesizer

video upload by akestromer

"Quick demo of an early 80's drum synth made by H.W. Cano."

Here's an intersting bit of synth history. You can find previous creations by Cano here. I believe Cano's designs were bought out by Basyn according to this post back in 2006. Not sure if Cano dates back to the 80s. This is the first post to feature the Gravitom though. The design and sound remind me of the JHS/Cortez variety drum synths various band produced.

ESK - Haken Continuum + Waldorf Microwave

video upload by Metunar

"The Haken Continuum Fingerboard as a Midi controller for an Waldorf Microwave wavetable synthesizers. I play 3 different sounds.
This Continuum is a an old Midi only version. The sensitivity is not so good as the new ones. No external effects are used.

http://www.metunar.ch"

Korg miniKORG 700S VST "Type73" Soundset 64 Presets

video upload by LFOstore

"The Origin of the KORG Synthesizers is Revived in Software: miniKORG 700S

The miniKORG 700S for Mac and Windows is a faithful reproduction of the original analog hardware, with powerful new features only possible in software.

Now the unique sounds and capabilities of this historic KORG synthesizer can be enjoyed on your computer.

Buy soundset: https://lfo.sellfy.store/p/korg-minik...

'Type73' Soundset contains 64 patches with wide range of sounds:

Arp & Sequence
Motion
Atmospheric Sounds
Soft Synths
SE/Complex

Made by LFO.store member, Alexander Kav aka. Nucleus from Saint Petersburg."

The sound of The Korgis Everybody's Gotta Learn Sometime - Logan String Melody 2

video upload by RetroSound

"(c)2007-22 by RetroSound
supported by UVI: http://bit.ly/retrosound-uvi

❤️ Support #RetroSound channel: retrosound.creator-spring.com

One of the most fantastic song from the early 80s. The Korgis with Everybody's Gotta Learn Sometime featured the Logan/ Hohner String Melody 2 from the year 1979, The SM2 is my favorite stringmachine. And I have/had a lot stringmachines.

Strings: Logan StringMelody 2
Piano: Yamaha Reface CP
Bass: Moog Source
Add sounds: Roland M-VS1 'Vintage Synth'"