Moog Mavis Semi-Modular Analog Synthesizer

The Moog Mavis is a powerful and affordable Semi-Modular Analog Synthesizer. Meet a build-it yourself semi-modular analog synthesizer that invites creatives to begin their journey into the Moog ecosystem or expand their existing synth setup.

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Moog Mavis Semi-Modular Analog Synthesizer

The Moog Mavis is a powerful and affordable Semi-Modular Analog Synthesizer. Meet a build-it yourself semi-modular analog synthesizer that invites creatives to begin their journey into the Moog ecosystem or expand their existing synth setup. With the legendary Moog sound and quality, Mavis delivers serious value in the form of an affordable, compact musical machine.

A Complete Moog Analog Synthesizer

Mavis delivers the huge depth of sound unique to Moog. But, in a compact, feature-packed instrument that is also compatible with any Eurorack system.

On its own, Mavis is an expressive analog synthesizer with patchable modular utilities and unmistakable Moog sound and quality. When removed from its enclosure, the instrument becomes a 24-point CV-controllable module (44HP). Not only this, but it comes ready for installation into any Eurorack setup or Moog semi-modular system.

Perfect for first-time users and established synthesists alike!

Mavis’s semi-modular design and one-octave keyboard allow for immediate musical exploration! All without the need for additional equipment (except for a speaker or headphones).

Mavis Mixes The Familiar With The Exotic

What’s more, it features Moog’s legendary oscillator and filter circuits alongside a diode wavefolder. Furthermore, this is the first analog wavefolder to appear on a Moog instrument. Combining traditional subtractive synthesis with additive wavefolding and oozing with personality, Mavis’s clever presentation of synthesis modules and utilities makes for intuitive, creative experimentation and musical connection.

Assembling Mavis by hand invites the user to get closer to the circuits at the heart of this musical machine. The connection made with an instrument while building it is something inherent to the nature of all Moog synthesizers, and it has been since the days of the large format modular systems.

With Mavis, users of any skill level can quickly build their analog synthesizer with minimal tools and experience. In addition, Mavis requires no soldering. Further to this, all components are carefully packaged for your convenience. But the journey doesn’t stop once Mavis is built. Afterwards, users are guided through a selection of patch books and educational materials that encourage creative patching and sound design.

Seamless Configuration with Eurorack Systems & Moog’s 60HP Semi-Modular Synths

Furthermore, a powerhouse on its own, Mavis enhances any interconnected Moog semi-modular setup or Eurorack system. In 44HP, the synthesizer offers incredible value by adding two oscillators, full ADSR, ladder filter, sample and hold, wavefolding, attenuators, mixer, mults, and much more for more complex musical arrangements.

  • Create a full techno set with DFAM and Mavis! Sequence Mavis from DFAM to add a heavy bass line to DFAM’s rhythms, and randomly modulate those rhythms with Mavis’s Sample + Hold.
  • Add a full ADSR to Mother-32. Mix the VCO and LFO of Mavis in the mixer to add two oscillators to Mother-32 for a powerful three-oscillator synthesizer. Pan the Mother-32 and Mavis filters left and right for wide stereo sound.
  • Use the polyrhythmic sequencer network of Subharmonicon to drive Mavis and add counterpoint and textural depth to your harmonic explorations.

Above all, Mavis owners have access to an array of creative materials. These are specifically there to guide them down exploratory paths of how to patch with other Moog semi-modular instruments.

  • 24-Point Patch Bay: Mavis is eager to play along with other voltage-controlled devices (especially with Moog’s other semi-modular instruments: Mother-32, DFAM, Subharmonicon, Grandmother, Matriarch). Its useful collection of utilities and flexible control voltage routing allows for intricate dialogue between them.
  • Full Range Analog Oscillator: Mavis’s Voltage Controlled Oscillator (VCO) with pulse-width modulation (PWM), waveform mixing, and mod source mixing delivers rich harmonic character and motion.
  • Voltage Controlled Filter: Sculpt your sound with the -24dB Moog Low Pass Ladder Filter, delivering the sonic power behind the distinct sounds of Moog basslines and leads.
  • Audio Rate LFO and 4-Stage Envelope Generator: Mavis uses crossfaders in its modulation routing instead of switches, allowing you to blend between a variable shape LFO and 4-stage envelope generator for interesting and unusual modulation contours.
  • Wavefolding and Modular Utilities: Mavis features Moog’s first-ever wavefolding circuit, allowing for additive synthesis to sit alongside traditional subtractive synthesis, unlocking sounds not heard from a Moog before. Mavis also features a broad modular utility section complete with attenuators, offsets, mults, and a flexible DC-coupled mixer providing the tools needed for creative patching and sound design.
  • Patchable Sample and Hold (S+H) Circuit: This circuit generates a random CV pattern that can be patched to modulate other parameters, including setting Mavis into a “random sequencing” mode of performance.
  • Protective Cover: Mavis includes a fitted protective cover for use during studio downtime or taking the instrument on the go.

+12 Volts DC; 1.2 Amperes; Center
Pin Positive; wall transformer; typical
average power consumption ~1.8 Watt

Download the Mavis Manual HERE to see the full list of Specifications (page 49).


For more information, please visit the manufacturer's website.