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Filtron – Free Filter Released!

Filtron is a 12dB state variable filter that can smoothly transition between lowpass, bandpass, and highpass. It is capable of self-oscillation with resonance levels that can reach up to 11. Filtron also features a fat-sounding internal saturation algorithm and a sizzly post-overdrive with two modes to choose from: cold and hot.

Filtron’s parameters can be modulated via sidechain by CV generators such as Gatekeeper. Each channel in a stereo pair is treated as a separate modulation source and can be split into stereo. Filtron is also optimized for audio rate modulation.

After Supermodal, Filtron is the second filter in the Polyverse Filter Trilogy. We’re excited to release this deliciously musical filter for free to the creative community.

Filtron comes in VST2, VST3, AU, and AAX formats, making it compatible with a variety of host applications including Ableton Live, Logic, Pro Tools, Cubase, Reason, and Studio One. It can be used in 64-bit instances with Windows 7 and up, as well as Mac OS X 10.13 and up (Intel and Apple silicon).

Filtron is available to download for free from