The Neutral Labs Elmyra 2 is a four-voice digital-analogue hybrid synthesiser built for microtonal and experimental sonic exploration, offering a deep synthesis engine with wavetable oscillators, extensive modulation, sequencing, and a flexible filtering architecture. Available as a 42 HP Eurorack module or a semi-modular desktop unit, it provides a versatile platform for generating everything from immersive ambient textures to raw, distorted drones.

Sound Engine and Modulation Capabilities

At its core, Elmyra 2 features a complex wavetable-based oscillator engine with up to twelve oscillators, fully compatible with 1V/octave control. Its chromatic mode allows for harmonic chord voicings, while built-in support for microtonal scales enables alternative tuning structures. With 31 modulation targets and 41 patch points, it functions as a self-contained modular system, offering extensive signal routing for deep sound design. Four independent voices can be triggered through responsive capacitive touchpads or external control voltage sources.

The touchpads generate analogue envelopes that double as modulation sources, providing dynamic expression. Two complex LFOs operate in multiple modes, including standard, sample-and-hold, and sample-and-glide, further expanding modulation possibilities. Each voice includes ten modulation and effects parameters: unison detune, dual sub-oscillators, chord mode, waveshaping, saturation, bit-mangling, sample rate reduction, noise generation, high-pass filtering, and low-pass filtering.

Filter Selection and Unique Sound Shaping

Elmyra 2 features a switchable filter section that allows for diverse tonal sculpting. Users can choose between a 2-pole multimode state-variable filter with low-pass, band-pass, and high-pass options for aggressive resonance, a smooth 4-pole low-pass ladder filter, or a base-width filter configurable as either a band-pass or notch filter. Additionally, high-pass and low-pass filters can be arranged in series or parallel for further sound manipulation.

The synthesis engine extends beyond filtering with a delay processor capable of extreme feedback, adding spatial complexity and rhythmic depth. A lo-fi reverb enhances atmospheric textures, while the exclusive "OUCH" circuit applies aggressive distortion, waveshaping, and filtering, producing unpredictable and extreme sonic transformations.

Sequencing and Synchronisation

Four independent sequencers provide advanced pattern generation, each supporting polymetric sequences with arbitrary step lengths of up to 128 steps per voice. The delay time and LFOs can operate freely or be synchronised to an external clock, with tap tempo functionality also available. This allows seamless integration into modular systems and performance setups, making Elmyra 2 equally suited for structured compositions and experimental improvisation.

External Audio Processing and Sound Customisation

An external audio input allows for external signals to be processed through Elmyra 2’s synthesis engine and effects. The front panel features dedicated slots for preset cards, with a set of four included, enabling instant sound character modifications. Users can further customise the instrument’s sonic identity by inserting electronic components such as capacitors or diodes into these slots, altering the circuit response in unique ways. The preset cards are also compatible with other Neutral Labs modules, expanding their functionality beyond Elmyra 2.

Modular Integration and Build Quality

Designed as a standalone modular environment, Elmyra 2 includes essential utility functions such as a dual attenuator, buffered multiple, voltage generator, and CV summing circuit for advanced signal routing. The desktop version is housed in a solid bamboo enclosure, while the Eurorack version seamlessly integrates into existing modular setups. Both versions are available as fully assembled units or DIY kits.

The desktop version is powered via a USB-A to USB-C cable and requires a 5V power source such as a phone charger, power bank, or laptop. It includes a Eurorack power header for direct installation into a modular system. However, the desktop enclosure lacks Eurorack rails and operates on USB power rather than a standard Eurorack power bus, requiring modifications to function as a 42 HP Eurorack rack.