by Lasse Eilers | 4,0 / 5,0 | Approximate reading time: 2 Minutes
Best free plug-ins this week

Best free plug-ins this week: Air Shelf, ChowPhaser and ChowCentaur  ·  Source: Chowdhury DSP, Gearnews


It’s been a bit of a slow week for free plug-ins, as the developers are probably busy getting their X-mas freebies ready. But we’ve still managed to dig up three nice ones for you, all of which are available for Linux (a first in this series): Air Shelf, ChowPhaser and ChowCentaur.


As always, head over to our huge archives for many more free plug-ins!

Bertom Air Shelf

Bertom Air Shelf

Source: Bertom, Gearnews

Air Shelf by Bertom is a plug-in designed to shape the very high frequencies above 10 kHz. The boost knob controls a 1st order high shelf at 20 kHz, which dynamically reacts to the input signal. The tame knob is a mix between a fast dynamic EQ and a transient shaper, the developer says. If you need to clean up your high end, give this one a try. Warning: If you’ve played too much metal in your lifetime, you might not be able to hear its effect at all… 😉

Air Shelf is available for Windows, macOS and Linux in VST3 and AU formats.

Get Air Shelf here

Chow DSP ChowPhaser

Chowdhury DSP ChowPhaser

Source: Chowdhury DSP, Gearnews

When I wrote about ChowMatrix last week, I realized that we didn’t cover two other free plug-ins which the developer had released earlier this year. ChowPhaser is an open-source phaser based loosely on the Schulte Compact Phasing ‘A’, an early 70s phaser pedal and a favorite of the Krautrock era. It’s also very good at saturation. The open-source plug-in is available in mono and stereo versions, with the stereo version offering independent controls for each channel.

ChowPhaser is available for macOS, Windows and Linux in VST, VST3 and AU formats.


Get ChowPhaser here

Chow DSP ChowCentaur

Chowdhury DSP ChowCentaur

Source: Chowdhury DSP

This one is based on the legendary Klon Centaur guitar pedal designed by Bill Finnegan, which enjoys a cult-like following and fetches exorbitant prices on the second-hand market. According to Chow DSP, the plug-in uses a variety of circuit modeling methods like nodal analysis, wave digital filters and recurrent neural networks. If you’re interested in learning more about how all of this works, the developer describes it in great detail in this research paper.

ChowCentaur is available for macOS, Windows and Linux in VST, VST3 and AU formats.

Get ChowCentaur here


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Best free plug-ins this week

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