Sound Modules

A pair of Eurorack modules from Xaoc Devices reviewed, how do the Ostrawa mixer and Bohumin expander stack up?

Sofia is an oscillator that synthesizes vocal‑like formants without filtering, achieved by superimposing decaying sinusoidal tones onto each individual cycle of a fundamental base waveform.

Xaoc's Odessa aims to bring additive synthesis to the Eurorack world.