Nuclear test equipment inspired this new Eurorack module

Boxcar averagers, used in vintage nuclear test equipment, inspired the latest creation from AI Synthesis. What you get is the AI250 BXR: it’s an oscillator, a voltage generator, and an audio mangler all in one. And it’s a pathway into DIY modules, even on tight budgets.

Unfiltered Audio Battalion drum synth, FX in VCV Rack are a revelation

At attention! Unfiltered Audio has taken their deep drum synth and favorite effects and remade them as VCV Rack modules. This is instabuy territory ($10-20 a la carte or an intro pricing of $30 for the set, compatible with the free Rack).

Peter Kirn - June 9, 2026

Rage with the machine: Pigments 7 with new filters, new FX, sound features

Bonkers new filters? A Play mode everyone will actually want to use? Yeah, December isn’t done with you yet, synth fans. Meet the new Pigments 7 with Rage, Ripple, and Reverb filters, Corroder effect, improved amplitude envelopes, FM modulation on the filter, and more.

Peter Kirn - December 16, 2025

Guide: Create unique effects with Max for Live and Ableton DSP objects (pt. 2)

Peter Kirn - October 14, 2025

LOCD is the free phase lock effect you didn’t know you needed

Peter Kirn - September 4, 2025

Eventide’s indispensable CrushStation overdrive/distortion is free right now

Peter Kirn - August 11, 2025

AirWindows’ free PointyDeluxe is dangerous, unstable, and wonderful

Peter Kirn - July 29, 2025

Roland Cloud now has BOSS pedals; here’s what you should know

Peter Kirn - May 21, 2025

Mix and patch ChowDSP’s tape modeling for free in VCV Rack

Peter Kirn - March 10, 2025