# Rings - **Maker:** Mutable Instruments - **HP:** 14 - **Cases:** Eurorack 001 Installed · Synthrotek SeaHorse (same physical unit) - **What it does:** Resonator / physical-modelling voice that turns an excitation into pitched, decaying tones. ## Manual - [Manual](https://pichenettes.github.io/mutable-instruments-documentation/modules/rings/manual/) ## Jacks and controls (manual) **Controls:** Polyphony button; FREQUENCY; STRUCTURE; BRIGHTNESS; DAMPING; POSITION (excitation position); attenuverters on resonator-parameter CVs. **Inputs:** Resonator-parameter CVs **(1)** including FREQUENCY CV; STRUM **(2)**; V/OCT **(3)**; IN (audio excitation) **(4)**. **Outputs:** ODD and EVEN (with one jack patched, both signals are mixed per the manual). Exact silk-screen wording: check manual / panel if needed; patch notes use ODD / EVEN as in the documentation. ## Good for Plucked and bell-like tones; second voice above a sequence; pairs well with Plaits. ## Patches - [[Patches/Berlin School Sequence and Space]]