MATRIXSYNTH: WMD C4RBN - Eurorack Filter In-Depth Demo

Friday, July 10, 2020

WMD C4RBN - Eurorack Filter In-Depth Demo


"C4RBN (pronounced "Carbon") is a 4/2-Pole State Variable Filter with input saturation, output wavefolding, and more. It features a wide range of character from nice and clean filter sounds to screaming, squelchy, acidic mayhem.

C4RBN builds on WMD’s history with state-variable filters (uHadron Collider, Protostar, MMF) adding interface refinements and improved warm environment stability for live performance and beyond. A novel input saturation circuit plus the output wavefolder from WMD’s classic SYNCHRODYNE filter pair together to push the timbral flexibility to the next level. C4RBN is the building block to life in your eurorack.

In this video, Alex takes use through the sounds and features and creates a patch using C4RBN as the main filter for the eurorack voice."

Module Highlights

3 independent 2 pole outputs for High Pass, Low Pass, and Bandpass

Inverting Attenuator (attenuverter) for FM allows for positive and negative CV control over the cutoff frequency

Independent 4 Pole output with switchable frequency response

Input Saturation with 3 switchable levels and CV input for additional fine control

PING circuit generates a fast decay envelope emulating the response of a vactrol

Output wavefolder for extra bite and screaming character

Resonance with self oscillation

Temperature compensated 1V/Oct tracking.

Performance focused control scheme allows for on-the-fly changes of filter types with intention

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