4ms Mesa: Plate Reverb Eurorack Module With Dattorro Algorithm

Posted on 1. September 2026 by Max Noizefield

A Hardware Take On A Classic Reverb Algorithm

4ms Company has introduced Mesa, a Eurorack plate reverb module that implements the well-known Dattorro algorithm directly in hardware. The Dattorro plate reverb is widely regarded in the DSP community as one of the most respected plate reverb designs, and its arrival in a hardware module is therefore an interesting development for modular users.

Plate reverbs have long been a staple of studio production. Moreover, they are known for their dense, smooth decay and bright character. By bringing this algorithm to Eurorack, 4ms allows users to integrate classic plate reverb sound directly into their modular setups without relying on external effects processors.

Why The Dattorro Algorithm Matters

The Dattorro algorithm, published in 1997, is a detailed implementation of a plate reverb based on the classic EMT-250 style architecture. As a result, it delivers a rich, diffuse reverb tail that many producers associate with high-end studio sound. Implementing it in a hardware module suggests careful attention to audio quality.

In addition, a dedicated reverb module offers hands-on control and immediate integration with modular signal flow. For instance, users can process drum buses, textures, or voices directly within their rack. Meanwhile, the module format keeps everything in one system.

For Modular And Studio Users Alike

Overall, Mesa appears to be a high-quality plate reverb option for Eurorack systems. However, detailed specifications, control features, and pricing have not yet been fully disclosed. Therefore, interested users should follow 4ms Company for further announcements and demos, such as the available video presentation.