Unusable Engineering ApS
effect

Geometry Reverb

A hall reverb that uses a room-based abstraction model with 3D orbital modulation.

ReverbAU/VST3Mac/Win

What it is

Geometry Reverb exists partly because of Geometry Delay and partly because of a failed attempt to reinvent algorithmic hall reverbs. The original reverb experiment never really worked as intended, but the DSP was left lying around long enough to become something better when paired with the geometry interface.

It uses a hall-type reverb structure, but the room abstraction from Geometry Delay is still the control model. Changing angles, size, and wall count nudges the reverb in different directions, and moving the play-listen node changes early reflections while adding a bit of Doppler-style smearing. Four slots and slewed randomization mean it can also drift between different spaces.

It is not the reverb that does everything, and it is not really trying to be. It is the one you reach for when a synth or texture just needs that extra glow and a soft modulated space.

Full walkthrough

A walkthrough of Geometry Reverb covering the room-based control model, modulation behavior, and how the effect moves from gentle glow into stranger hall spaces.

Highlights

Geometry-style control model

It shares most of its interface logic with Geometry Delay, so the space can be pushed around quickly.

Hall reverb with movement

Node motion changes early reflections and adds a little Doppler-style smear while the space shifts.

Free for paying customers

It is free for all paying customers, new or old, and delivered through the account page together with its license.

How producers use it

  • Lovely, slightly odd reverb on synths and textures
  • Ambient spaces that can morph rather than stay static
  • Moving hall-style spaces that can drift between subtle depth and stranger bloom

Fit and focus

Great fit for:

  • synths and textures that want extra glow and a softly modulated space
  • quick spatial tools with a room-based control model
  • reverbs that feel a little alive without becoming messy

Questions people ask

Can I buy Geometry Reverb directly?

No. Geometry Reverb is free for all paying customers, new or old. If you have bought a plugin or bundle from Unusable Engineering, it should be available on your account page.

Who gets it?

Anyone with a paid Unusable product should find it on the account recovery page together with the rest of their downloads. Remember to grab the license too.

Compatibility

macOS 10.15+, Windows 10/11
macOS: AU/VST3, Windows: VST3

These plugins use detailed real-time processing and are happiest on reasonably recent CPUs, especially when several instances are running at once.

The science-native interface simulations are beautiful to watch and interact with, but in larger sessions, closing plugin windows you are not actively editing can free up resources for other hungry plugins. Audio processing continues normally.

Bundle option

Also available in bundle form

If this plugin fits your workflow, there is a good chance one of the bundles will fit even better and reduce total spend.

Full Suite v2

A large set of focused tools built to surprise, inspire, and keep the creative process moving.

€159.00€399.00incl. 25% VAT

Includes 14 products.