New Mystic Circuits 0HP Envelope

Published on Jan 15, 2019 Mystic Circuits

“Dont let the name fool you, this module is quite a bit more than just an envelope. Patch in a gate and your output will behave as a normal sustain- release envelope, staying high while the gate is high and slowly decaying once it goes low. Patch in audio and you have an envelope follower, extracting amplitude data from whatever signal is coming in.

Kit Overview #34 – Majella VVCA

Premiered 23 minutes ago Synth Diy Guy

“A super cool VCA module with velocity CV inputs!
A great beginner SDIY project too 🙂

Get yours at the best stores in Eurorack DIY, or directly here:…

Background music: Hallowed Beach by Quincas Moreira, available royalty free from the Youtube Audio Library:…”

Note this

Frequency Central Product

via Frequency Central

“Product is a full featured modular synthesiser which you can use without patching. Or you can use it as the heart of your modular system. Each component part is fully modular, but also features pre-patched normalised signal paths for fast set up of new and exciting sounds.

Product is available both fully assembled and as a PCB/panel set.

Product PCB set, and panel: £75

The Ganesh – Probability-based Eurorack Sequencer

via @BelaPlatform,
via The Bela Blog:

“The Ganesh is a probability-based hardware sequencer created by Jon Pigrem. The sequencer uses Bela and the Multiplexer Capelet and is built for the Eurorack modular format providing varied and exciting rhythmic patterns. Over to Jon to tell us more:

Sequencing with chance
The Ganesh provides 3 channels of 16 step sequencing. Each potentiometer

DIY Keyboard Synthesizer by Niklas Wallin

Published on Jan 6, 2019 Niklas Wallin

“Quick demo of my synthesizer..
First doing reset of sound, then some pwm and xfade modulations and such..”

Some additional info via Niklas:

“It has 8voices , every voice has two oscillators, every oscillator has two waves that can be crossfaded. There are two filters, connected to each oscillator. The one connected to osc1 has some resonance. It’s

HKA Design Roland TR-626 ROM expansion

Published on Jan 1, 2019 dothkoi

“refer to the following pages…”

Be sure to check out HKA Design’s other DIY projects. HKA Design is run by Harry Axten whose work has been featured here on MATRIXSYNTH.

“My TR-505 ROM Expansion has proven itself to be a popular kit, but I was regularly asked if it would work with the TR-505’s big brother, the Roland

LM-2 Replacement Parts – LinnDrum PCB’s & Assemblies From Abstrakt Instruments

Some initial details via the Abstrakt Instruments Kickstarter:

“This is your chance to help fund and procure parts for the iconic LinnDrum (LM-2) Drum Machine. This is the second in our series of meticulously designed replacement parts projects for vintage synths & drum machines. This project follows up the completion of the Oberheim OB-X Parts Project [posted here]. We’ve established a low


Published on Dec 20, 2018 fonitronik

“Trying two incarnations of the ADC controlled Sequencer in 4U, the Defibirlator (CV version) and the MorseMan (trigger version).
Not a very creative patch, though.”

Note eurorack is 3U. This is 4U. U refers to the height with 1U being your standard slim rackmount synth or effects unit. The modular world has become so saturated I realize I haven’t

Roland System-100 Eurorack Modules by Pharmasonic

New eurorack modules featuring components of the System-100 Model-101 keyboard and Model-102 expander. Pre-built & DIY via Pharmasonic


Clone of the System-100 Model-101 & Model-102 VCO.


Clone of the System-100 Model-101 & Model-102 VCF.


Clone of the System-100 Model-101 & Model-102 VCA.


Clone of the System-100 Model-101 & Model-102 LFO.

Selbstbau DIY Modular-Synthesizer & Sequenzer

Published on Dec 16, 2018 stoermer72

1. DIY Modular Analog Synthesizer
Selbstbau Modular-Synthesizer & Sequenzer2. DIY Modular Analog Percussion Synthesizer & Analog 16 Step Sequencer
Selbstgebauter modularer Analog Percussion Synthesizer und Analog 16 Step Sequenzer in Aktion.
Von der Idee bis zur Fertigstellung der Geräte hat es etwa ein Jahr
gedauert…3. Modular Analog Percussion