WMD Invert Offset (MKII)

"The 6 HP Invert Offset module creates an easy way to modify control voltages for other modules in your system.

The Invert Offset consists of two identical channels. Signal applied to the In jack is vertically offset by the knob, additionally a CV signal may be applied to offset the signal vertically.

The +Out jack puts out a non-inverted signal with the specified offset. The -Out jack puts out an inverted signal with the same offset as the +Out.

The Offset CV input allows you to mix two signals together, Offset will never be inverted, while the signal at the In jack will be inverted based on the selected output.

There is also a sum output (1+2) that takes the non-inverted outputs and adds them together. Also there is a comparator gate output that is on if the channel 1 output is more positive than channel 2."

via http://www.wmdevices.com/eurorackutility.php

WMD Compressor

WMD Compressor Teaser
Published on Mar 23, 2013 William Mathewson·25 videos

"Quick video of the final compressor prototype."

The following saved for the archives via http://www.wmdevices.com/eurocompressor.php

"Dynamics processing is not something typically considered in modular synthesis, especially subtractive patches. With many synthesists doing fully modular feedback patches, percussion and outboard processing with their modulars, compression now has a place in a eurorack.

The WMD Compressor is designed to serve all of your normal dynamics processing needs, but it pushes boundaries further. It can subtly calm resonance peaks, or it can add dynamic character to a bass patch. It can also completely crush and distort a patch into a pumping breathing monster.

The WMD Compressor is designed around the THAT 4301 core, a high end dynamics processor. It has been adapted for modular levels, but will work with +4 line level signals as well. It is designed to be transparent, using only ultra low noise opamps, but it also has variable input and output saturation to add some character and distortion.

Features
THAT 4301 Forward Compressor
Ultra Low Noise Opamps
DC Coupled Throughout
Input and Output Variable Saturation
+-12dB of Input Gain
Manual/Auto Attack and Release
Hard or Soft Knee
RMS/Peak/Adaptive Level Detection
Expander Mode
Infinite Ratio for Limiting
CV Control
Wet/Dry for Parallel Compression
Side Chain Input
Envelope Output
LEDs for Threshold & Compression
Stereo Operation by Linking
12 HP wide.
+52mA, -40mA Current Draw"

WMD Digital VCA Overview

Published on Apr 9, 2013 William Mathewson·25 videos

"Quick video of the Digital VCA eurorack module."

The following saved for the archives via http://www.wmdevices.com/digitalvca.php


"The WMD Digital VCA (Voltage Controlled Attenuator) is a novel module with a few bells to enhance your modular experience. It uses a digitally controlled analog circuit that allows for some creative control!

The rubber hits the road on this module with the Instant / Gate / Zero Crossing Detector switch and CV input. Normal operation happens in the Inst mode where the VCA will follow the CV signal as it is seen.

Things get more interesting when you enter Gate mode which causes the CV to be updated ONLY on a rising edge of the signal going into the Update G/ZCD jack. This jack has the In jack's signal normaled to it. Gate mode allows the Digital VCA to sample and hold a control voltage, very useful for pulling modulation data out of other sources. This mode uses a Schmitt trigger to ensure noisy signals can be used without causing multiple unintended updates.

The Zero Crossing Detector is the crown jewel of the Digital VCA. This little circuit only allows the VCA to be updated when the Input signal (or Update G/ZCD signal) is at 0 Volts. This eliminates popping and clicking normally associated with fast envelopes. It allows you to use a Gate signal directly as an envelope without annoying pops!

WMD would like to thank Suit & Tie Guy (STG Soundlabs) for the concept. STG Soundlabs will be releasing a 5U/MU format version of the Digital VCA.

Features
Dual VCA Design
Low Distortion / Low Noise
VCA Closes Completely
Zero Crossing Detector
Gate/Trigger Detector
5V/8V CV ready
8 bit CV resolution
Analog Signal Path
Bi-Color LED Signal Indicator
Red CV Indicator
6 HP
Great for Ultra Fast Envelopes"

JOMOX Xbase 888 Analog Drum Synthesizer

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PH01 Basic Demo

Published on May 16, 2013 Chris McDowell·4 videos

"Demo of the Phraser (PH01) knob recorder from Super Synthesis."

siriusun

Published on May 16, 2013

Quasimidi Sirius
Buchla System # 1
Boss SL20
Clavia micro modular (S&H low drone)
nylon guitar
fx: Alesis Metavox, Lexicon MX 400,Line6 echopro,SPL Gold Mike
drums Logic Ultrabeat

Cat Full of GHOSTS!!!: SPRING VERB PREVIEW

Cat Full of GHOSTS!!!: SPRING VERB PREVIEW from Cat Full of GHOSTS on Vimeo.
Spring Reverb 1:
exposed springs
distortion
tone control
XLR and TSR Inputs

email to have one built.
CatFullOfGHOSTS@gmail.com

"It's a DIY spring reverb with distortion and exposed springs, hacked together from a bunch of old stuff I had lying around, and living in a lovely little suitcase."

Pics on Flickr here. Casio SK-1 in the video.

Ameliya (9 months) play on MOOG Slim Phatty

Published on May 7, 2012 Alexey Rusanoff·65 videos

Choop project - Oxygen (Chill vers.) 2011

Uploaded on Feb 2, 2011 Alexey Rusanoff·65 videos

Choop project - Oxygen (Chill vers.) 2011
Live on Korg Microstation & KP3

This one in via Jared Stack

Moog Slim Phatty + Korg Microstation

Published on May 10, 2012

MidiSizer MidiALF Sequencer

Published on May 16, 2013 piamuk·37 videos

"Quick and dirty demo. No frills audio. 1st run after build."

"MidiALF is an 8 step DIY friendly MIDI/CV sequencer with 40×2 LCD, 8+2 clickable rotary encoders, 8 LED switches and 8 tactile switches."  Full details at the MidiSizer. Feature set captured below for the archives. See the MidiSizer site for more including the MidiBud, MidiThru, and MidiToCV.




"Features

8 steps in 4 sub-sequences which could be linked as two 16 step sub-sequences or one 32 step sequence.

Each sequence contains 10 tracks:

note/mute
velocity/skip
gate/legato
CC1/send
CC2/send
Sequence direction: forward, backward, pendulum, random.

Nonlinear sequence progression modes (same as in MIDIBox SEQ v4):

forward, backward, replay
interval, repeat, skip
Super stable internal clock based on Mutable Instruments MIDIpal technology, 25-250 BPM.

Two assignable CC LFOs with period of up to 2 bars and sync to start, sequence and step in addition to free running.

Real time and step recording modes: records notes, velocity, legato and CC1/CC2 values.

Sequence and step randomization using 167 music scales (thanks to MIDIbox.org).

Internal storage for 256 programs each containing 4 sequences with setup parameters and 16 character name.

Sysex send/receive of sequence, program or all programs.

Remote control with CC.

Optional CV output board. Note yet available, work in progress.

Firmware upgradable by SysEx.

Powered by external 7.5 – 9V DC power supply, center pin positive, minimum 300mAh"