Atum Plugins

Audio tools with analog circuit modeling, precise tone shaping, and a workflow built for uncompromising mix decisions.

Audio plugins built for engineers, producers, and musicians who value sound quality without compromise.

Download the free Atum Analog IO Rack now, then step into the full Atum Passive Tube EQ for passive network shaping, transformer color, and oversampled analog response.

Plugins

Atum Passive Tube EQ plugin interface with knobs, switches, and meters

Flagship plugin

Atum Passive Tube EQ

A true analog circuit emulation of a passive tube EQ for controlled low-end shaping, high-frequency boost and attenuation, and level-dependent transformer and tube response.

Formats
Audio Unit and VST3
Platform
macOS
Offer
14 day trial - £49 introductory offer, plus VAT where applicable

Pay securely through Stripe. After payment, your license serial is displayed and sent to your email. Download the installer, open the plugin, select LICENSE, and activate it with your serial.

Passive EQ mix bus walkthrough

Follow the Atum Passive Tube EQ through a complete mix-bus pass, from the starting balance to controlled low-end weight, high-frequency shaping, and final level matching.

Atum Analog IO Rack plugin interface with input, output, VU meters, and oversampling control

Free utility

Atum Analog IO Rack

A free analog input and output rack for mix bus tone, gain staging, oversampling, and quick front-end color. Built from the same release-path circuit family as the current Passive EQ reference.

Formats
Audio Unit and VST3
Platform
macOS
Price
Free download

Atum Analog IO Rack demo

See the free IO Rack running in a session, with its input and output stages, VU metering, and oversampling controls in view.

Plugin demos

Watch the Passive EQ move from bypassed tone into real mix settings.

Free Analog Rack

Input and output stages, oversampling, and fast gain control in a stripped-back rack layout built for everyday use.

Passive EQ Circuit Path

The rack and EQ now share the same current release-path voicing, so jumping between them stays musically consistent.

Selectable Oversampling

Choose the processing quality that fits the session, from lighter tracking setups to more detailed mix passes.

What guides us

The philosophy behind Atum Plugins

At Atum Plugins, we've always been fascinated by the subtle intricacies that shape our perception of exceptional sound. Audio is deeply personal and wonderfully subjective. Every engineer, producer, and musician hears things a little differently, and that diversity of opinion is part of what makes music production so inspiring.

For decades, the debate between analog hardware and in-the-box (ITB) processing has continued. Both sides present compelling arguments, and both have their place in modern music production. Rather than viewing them as opposing worlds, we see them as opportunities to combine the best of both.

Our mission is simple: to harness the latest advances in digital signal processing and software development to recreate the character, musicality, and behaviour of classic analog equipment with exceptional accuracy. While we recognise that software may never replace the experience of owning the original hardware, modern technology has reached a point where the sonic differences can be remarkably subtle in real-world use.

Every Atum plugin is the result of countless hours of research, critical listening, measurement, analysis, and refinement. We don't simply recreate frequency curves or copy specifications; we strive to capture the behaviour, response, and musical feel that made the original equipment so highly regarded.

Our goal has never been to imitate for the sake of imitation. It is to provide producers, mixing engineers, and mastering engineers with tools that inspire creativity, encourage confident decisions, and deliver exceptional musical results.

Atum Plugins is built on a commitment to continual improvement. As technology evolves, so will our products. We actively welcome feedback from the audio community because we believe the best software is created through collaboration with the people who use it every day.

This is only the beginning of our journey. We're excited to continue developing tools that honour the heritage of analog audio while embracing the possibilities of the digital future.

Thank you for being part of that journey.

The Atum Plugins Team

Analog Soul. Digital Precision.

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