Feedback For Eurorack

US Bastl Instruments releases Dark Matter sound processor and signal generator      04/01/19

Bastl Instruments and Casper Electronics have announced the newest member of their modular family. They tell us that  Dark Matter is a high energy sound processor and signal generator that unleashes the crazy raw power of audio feedback into your eurorack system.  This is what they have to say about it...

Dark Matter is inspired by “no input” mixer feedback techniques that explore the complex natural behaviors of amplifier circuits pushed beyond their limits. Dark Matter brings this behavior to the modular synth, adds voltage control to everything, tons of patching options and a big ol’ bag of tricks for making feedback a truly *playable* effect.

-Excite audio signals to the breaking point with 4 flavours of voltage controlled overdrive.
-Turbo charge percussive hits and drum beats.
-Add sub-octave tones and timbrel richness to melodies and bass lines.
-Tweak your tone with a crunchy overdriving 2 band EQ.
-Add signal ducking and gating effects with the built in envelope follower.
-Go the feedback way and create meandering loops through your rack using the 10 I/O jacks…..Feedback your feedback your feedback.

-Input VCA with gain and soft clipping
-2 band equaliser with voltage controlled bass and treble boost/overdrive
-Voltage controlled feedback
-External feedback section for making and fine tuning loops through other modules
-Voltage controlled crossfade between input and feedback signals
-Input tracking envelope follower for adding ducking and gating effects
-10 I/O jacks for adding CV and making crazy loops

- 13 HP
- PTC fuse and diode protected 10-pin power connector
- 24 mm deep
- power consumption +12V: < 75mA; -12V: <75 mA

Pricing and Availability:

Dark Matter is available now at and select dealers for 265 EUR excl. TAX

More information:


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