The Behringer HALOS is a high-fidelity digital recreation of the legendary Mutable Instruments Rings physical modeling resonator, now in a compact Eurorack format. This 14 HP module transforms any input signal—triggers, envelopes, noise, or audio—into rich, organic resonances by modeling vibrating structures like strings, plates, membranes, tubes, and more. With three resonator families, pseudo-polyphony up to 4 voices (for overlapping notes and natural decays), full CV control over key parameters, and an expressive engine that excels at acoustic-like textures, plucked strings, bells, drums, pads, and evolving soundscapes, HALOS adds depth and realism to modular patches—perfect as a voice exciter, resonator for external sources, or standalone timbre generator.
Technical Specifications
| Item | Description |
|---|---|
| Type | Digital Physical Modeling Resonator / Synthesizer Eurorack Module (inspired by Mutable Instruments Rings) |
| Eurorack Width | 14 HP |
| Depth | 55.7 mm (2.19″) |
| Weight | Approx. 157 g (5.54 oz) |
| Power Requirements | Eurorack bus (10-pin or 16-pin connector) |
| Current Draw | +12 V: 50 mA, –12 V: 20 mA, +5 V: 0 mA |
| Resonator Modes | |
| Families | 3 main resonator types: Modal Resonator (metal sheets, strings, membranes, pipes), Sympathetic Strings, Non-linear/Dispersion Strings (with advanced modeling for tubes, plates, etc.) |
| Polyphony | Pseudo-polyphonic engine, up to 4 simultaneous voices (notes overlap and decay naturally) |
| Controls | STRUCTURE (material/brightness), DAMPING (decay/resonance), POSITION (excitation point), BRIGHTNESS, FREQUENCY (tuning/pitch), IN (input gain), other mode-specific macros |
| Inputs | |
| Audio/Exciter In | 1 × 3.5 mm TS, AC or DC coupled depending on mode, for triggers, envelopes, noise, or audio sources |
| V/Oct (Pitch) CV | 1 × 3.5 mm TS, 1 V/oct tracking, high-resolution |
| Structure CV | 1 × 3.5 mm TS, full range modulation |
| Damping CV | 1 × 3.5 mm TS |
| Position CV | 1 × 3.5 mm TS |
| Brightness CV | 1 × 3.5 mm TS |
| Trigger/Gate In | 1 × 3.5 mm TS (excites resonator on gate high or trigger) |
| Other CVs | Additional assignable or mode-dependent CV inputs (e.g., FM, polyphony control) |
| Outputs | |
| Main Out | 1 × 3.5 mm TS, DC coupled, max ~10 V p-p typical |
| Aux/Secondary Out | 1 × 3.5 mm TS (engine-specific harmonics or multitimbral elements in some modes) |
| Additional Features | High-resolution 16-bit CV processing; USB-C port for firmware updates; intelligent polyphonic engine for natural overlaps/decays |
| LEDs | Minimal (power/activity; visual feedback via panel controls) |
Key Features & Signal Flow
- Three resonator families — Modal for versatile plates/strings/membranes/pipes; Sympathetic Strings for rich, chorus-like resonances; Non-linear/Dispersion for complex, inharmonic or tube-like behaviors—each with deep parameter control.
- Pseudo-polyphony up to 4 voices — Excited notes ring out and overlap naturally (e.g., strum-like chords from fast triggers or poly CV); great for realistic string plucks, bell clusters, or ambient sustains.
- Excite with anything — Feed triggers/gates for percussive hits, envelopes for plucked/bowed feels, noise for noisy textures, or audio for resonator effects on external sources.
- Full CV integration — Every major parameter (structure, damping, position, brightness, frequency) has dedicated CV input for dynamic modulation from LFOs, sequencers, envelopes—turn static resonances into evolving soundscapes.
- Natural acoustic modeling — Advanced algorithms simulate material vibrations with damping, inharmonicity, and excitation position for organic, non-synthetic tones—far beyond basic filters.
- Compact & patchable — No hard normalisation; patch freely: trigger from sequencers, pitch from V/Oct, modulate position for “bowing” effects, or chain with Skies (Behringer Clouds clone) for classic ambient chains.
- Firmware updatable — USB-C for future enhancements, bug fixes, or mode expansions.
- Versatile applications — Percussive drums (excited by triggers), melodic voices (with V/Oct), resonator FX on audio, ambient pads, physical modeling experiments—pairs beautifully with digital oscillators or noise sources.
Resources
- Official Behringer product page: https://www.behringer.com/product.html?modelCode=0720-ADN
- Quick Start Guide / Manual (PDF): Available on Behringer downloads (search “HALOS”) or retailer mirrors
- ModularGrid page: https://modulargrid.net/e/behringer-halos (user ratings, discussions, and patch ideas)
- Retailer pages (Sweetwater, Thomann, Perfect Circuit, Alto Music): Specs, user reviews, demo videos, and sound examples
- Demo videos: Search YouTube for “Behringer HALOS demo” or “HALOS – From Silence to Substance” (official Behringer series: Part 1 overview, Part 2 advanced patching)
The Behringer HALOS brings the beloved Rings physical modeling magic to Eurorack at an accessible price—delivering expressive, acoustic-inspired resonances and textures that elevate any patch. Whether you’re into ambient, experimental, or percussive sound design, it’s a transformative module for adding organic life to digital or analog sources. Highly recommended for modular explorers!
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