MATRIXSYNTH

AtomoSynth TT mini System, 8 voice analog percussion synth

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"This mini eurorack system consist of: 2 Tottem module, metal case with internal power regulator, external DC power adaptor

Please note, to play this instrument it is necessary a sequencer with 8 gate outputs. for example: beat step pro, key step pro, Korg sq64 etc.

Tottem specs
Four analog percussion synthesizer voices.
Two voices feature, one oscillator, two decay envelopes, one LFO, and a noise generator.
Two voices feature, one square wave and metal oscillator, one noise generator, one mixer, and a decay envelope.
Individual manual gate buttons.
Output mixer.
Individual outputs for each voice.
Master mix output.
Manual gate button for each voice.
Current draw: 197mA +12V. 75mA -12V. 0mA +5V.
24HP wide.
25mm deep."

AtomoSynth TK mini System, Four voice percussion synth + analog synth voice

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You can find demos in previous posts here.

"This mini eurorack system consist of: 1 Tottem module, 1 Koe Vactrol module, metal case with internal power regulator, external DC power adaptor

Please note, to play this instrument it is necessary a sequencer with 1v/oct CV/gate output and 4 gate outputs. for example: beat step pro, key step pro, Korg sq64 etc.

Tottem specs
Four analog percussion synthesizer voices.
Two voices feature, one oscillator, two decay envelopes, one LFO, and a noise generator.
Two voices feature, one square wave and metal oscillator, one noise generator, one mixer, and a decay envelope.
Individual manual gate buttons.
Output mixer.
Individual outputs for each voice.
Master mix output.
Manual gate button for each voice.
Current draw: 197mA +12V. 75mA -12V. 0mA +5V.
24HP wide.
25mm deep.

KOE Vactrol specs
One voltage-controlled oscillator VCO, with Triangle, Pulse, and Saw waveforms.
Folding effect control knob for the triangle waveform and pulse width, for the pulse waveform, also controllable by CV.
Square wave sub-oscillator with 1, 2, or 3 octaves below the main oscillator.
Tune and Fine Tune knobs for the main oscillator.
Glide effect knob.
12dB/oct Vactrol-based filter with low pass and high pass independent inputs. (KOE Vactrol version only).
24dB/oct Low Pass ladder filter (KOE Ladder version only).
One ADSR-type envelope generator.
Current draw: 55mA +12V. 16mA -12V. 0mA +5V.
24HP wide.
25mm deep."

Vermona M.A.R.S. + Control Analog Rack Synth SN D02004 & D01915

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I thought the price was a bit too good at only $689.00 for this one, but it's disfunctional. This one is for the techs/DIYers out there.

"FUNCTIONING WITH DEFECTS

This is a very rare example of the Vermona MARS synthesizer and Control unit.

The Control unit is responding as it should with the head unit, and all menus and buttons seem to also be working on the head unit.

Known issues:

Head unit produces sound and is affected by keyboard presses, but for some reason the LFO keeps running and cannot be turned off, also the Filter and Envelope Generator are not responding (even though the Control unit changes their parameters)

This could be a great project for someone looking to repair and get a great deal on this very rare synth, or get the head unit for parts and a fully functioning Control Unit."

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Twisted Electrons TherapSID MK1 SID MIDI Synth w/ Commodore 5.25 Utlity Disk

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"This listing is for an original mint condition Twisted Electrons TherapSID MK1. This powerful desktop synthesizer features all the stock features of the TherapSID, along with upgrade version of the Commodore 6581 SID compatible Nobomi ARMSID chip installed, which capable of producing all the classic SID mesmerizing sounds, without all the background noise of the Commodore 6581/6582/8580 SID chips.

This MIDI synthesizer comes with knobs for easy manipulation and offers a unique sonic experience that will take your music production to the next level. From France-based brand Twisted Electrons, this synthesizer is perfect for both professional audio equipment and musical instrument enthusiasts.

Whether you're a seasoned musician or a beginner, this particular TherapSID MK1 is an excellent addition to your musical toolkit. Explore the endless possibilities of sound creation with this upgraded, state-of-the-art, tactile synthesizer module.

Features include:

5-pin MIDI input
1/4 audio input/output jacks
Nobomi ARMSID upgrade installed, Commodore 5.25 utlity disk and instruction sheet included"

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TTMC Touch Controlled Voltage Source Card

video upload by Tokyo Tape Music Center

FX
Gamechanger Audio LIGHT Pedal
ZOOM MS-50G

Make Noise Spectraphon Drone

video upload by Akihiko Matsumoto

"Make Noise Modular Synth Sample Pack: https://akihikomatsumoto.bandcamp.com..."

bloom

video upload by infinitedigits

https://github.com/schollz/bloom

this script aims to replicate the “bloom” app by Brian Eno and Peter Chilvers that was released in 2008. the major functionality persists: clicking on the grid / screen will create circles and sounds that grow and disappear. multiple touches will create sequences that also eventually fade away. the sounds belong to scales with alien names like "ambrette", "benzoin", "bergamot", "labdanum", "neroli", "orris", "tolu", "vetiver", and "ylang" - all which were painstakingly captured from the original app (PARAMS > scale). also, like the app, the norns script has an “evolve when idle” function (PARAMS > evolve when idle), and toggles for randomization (PARAMS > randomize).

there are major differences between the "bloom" app and the "bloom" norns script. its difficult to obtain 100% the same sounds of the app so I did my best with my synthesis knowledge to create a similar sounds with SuperCollider. the sounds I have are a bell-like feedback sine sound which can be mixed with a kalimba sample (swapping between acoustic and synthetic) (PARAMS > blend). the drone notes are taken from the scale, as in the app, but the switching between drones is not precisely the same.

another change is the introduction of "lanes" (PARAMS > lanes). this essentially splits the grid into multiple lanes where each lane is a separate sequencer. by default there is one lane, but you can have one lane for each row on your grid.

FarCoast | 0-Coast, 0-Ctrl, Strega

video upload by Cinematic Laboratory

"I did a drum patch yesterday and right after posting I recorded a jam I liked very much. So even though I am using the same modules as the day before, this patch is completely different, mainly because 0-coast is the main voice. It's a simple patch, designed to stack itself up by using delay and short loops. Using a scale creates the illusion of polyphony even though 0-coast is mono. Using Strega as a support voice doesn't create polyphony or duophony, but a multi-timbral mono patch. Telharmonic is making creative noise effects. Using a quantiser like the O_C is crucial for offering the freedom to tweak 0-Ctrl's pitch lanes so whatever you tweak will come out as a 'proper' note. While it may be interesting to go 'unquantized because it's designed that way', I don't believe a module dictates how you should use it. The only rules that apply are your own.
#jamuary2024 Day 04."

1/4/24 Technosaurus Cyclodon sequences Microcon + Peavey DDL-3 + CXM 1978 (paper pill bun, softer)

video upload by Cfpp0

"Changed a couple notes on the Technosaurus Cyclodon, but this is more or less the sequence as in the 1/3/24 video, just slower, with a different delay on the Peavey DDL-3, and a smoother, less grainy reverb on the Chase Bliss CXM 1978."